cd34x freshening 2.2l duratorq tdci (dw) diesel (dw12)

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Page 1: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 1106

28092014Page 1

CD34x Freshening

22L Duratorq TDCi (DW) Diesel

(DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 2106

28092014Page 2

Topics

bull General

bull Engine hardware

bull Fuel system

bull Engine Management System

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 3106

28092014Page 3

General

bull job1 022008

bull PSA Turbodiesel engine

bull 22L Duratorq-TDCi (DW) Diesel = DW12

bull Also used in- Landrover Freelander 2- Peugot 407 and 607- Citroen C5 and C6

bull Visually recognize from DW10

bull Manufacture Tremery (France PSA)

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httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 4106

28092014Page 4

GeneralFeatures

bull Four cylinders in line 16 valves

bull Cast-iron cylinder block

bull Ladderframe for extention of cylinder block for integration of

- Balance shafts (BS)

bull Two part cylinder head made of aluminiumbull Two overhead camshafts (exhaust camshaft is driven by timing belt)

bull sREA to control turbocharger

bull Bosch Common Rail System

bull Hego sensorbull Meets EURO IV

bull Weight 193 kg

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28092014Page 5

GeneralTechnical data

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 6106

28092014Page 6

GeneralPowerTorque curve

bull Idle 800 rpm max speed 5100 rpm

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httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 7106

28092014Page 7

22L Duratorq TDCi (DW) DieselEngine Overview

bull Ma

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 8106

28092014Page 8

22L Duratorq TDCi (DW) DieselMain components

1 Cylinder head cover

2 Cylinder head (upper part)

3 Cylinder head (lower part)

4 Cylinder block and crank shaft

drive incl Balance shaft unit 5 Cylinder block extention

6 oil pan

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28092014Page 9

22L Duratorq TDCi (DW) DieselPCV components

1 Camshaft cover

2 PCV valve

3 Crankcase gas vent to

air duct

4 Oil filler cap5 Oil separator

6 Oil return tube

7 Crank case ventilation

tube

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 10

22L Duratorq TDCi (DW) DieselCylinder head

New compared with DW10

Piezo injectors

Metal gasket

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22L Duratorq TDCi (DW) DieselCylinder Head

Metal gasket

bull Rubberd metal gasket

bull Sealing of injector

stemsupper intake air channels

to oil circuit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 12

22L Duratorq TDCi (DW) DieselIntake channels

Not FordFilling Channel

Swirl channel

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28092014Page 13

22L Duratorq TDCi (DW) DieselCylinder Head gasket

bull 4 classifications

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCamshaft drive

New compared with DW10EX

New hydraulic chain

tentioner

IN

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 15106

28092014Page 15

22L Duratorq TDCi (DW) DieselCamshaft drive

Hydraulic chain tentioner

Spring

Arming by frac14 revolution

Disarmed Armed

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 16

22L Duratorq TDCi (DW) DieselCamshaft drive

Engine timing

bull Similar procedure and same

special tools as on DW10

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 17106

28092014Page 17

22L Duratorq TDCi (DW) DieselCylinder block

bull Identification

bull 1st cylinder transmission

side

1234

Cylinder block

Cylinder block extention

Engine Identification pad

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 18106

28092014Page 18

22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 19106

28092014Page 19

22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

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28092014Page 20

22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

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28092014Page 21

22L Duratorq TDCi (DW) DieselOil pan extention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 22

22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

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28092014Page 23

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

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28092014Page 24

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 25106

28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 28106

28092014Page 28

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 29106

28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 30106

28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 31106

28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 32106

28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 36106

28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel system

F l t

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Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 39106

28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 42106

28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 43106

28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 44106

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Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 45106

28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 46106

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 47106

28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 48106

28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 49106

28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 50106

28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 51106

28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 52106

28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 53106

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Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 54106

28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 55106

28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 56106

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Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 57106

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Fuel systemInjectors

Injector control

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 58106

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 59106

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Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 60106

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Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 61106

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Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 62106

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Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 2: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 2

Topics

bull General

bull Engine hardware

bull Fuel system

bull Engine Management System

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 3

General

bull job1 022008

bull PSA Turbodiesel engine

bull 22L Duratorq-TDCi (DW) Diesel = DW12

bull Also used in- Landrover Freelander 2- Peugot 407 and 607- Citroen C5 and C6

bull Visually recognize from DW10

bull Manufacture Tremery (France PSA)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 4

GeneralFeatures

bull Four cylinders in line 16 valves

bull Cast-iron cylinder block

bull Ladderframe for extention of cylinder block for integration of

- Balance shafts (BS)

bull Two part cylinder head made of aluminiumbull Two overhead camshafts (exhaust camshaft is driven by timing belt)

bull sREA to control turbocharger

bull Bosch Common Rail System

bull Hego sensorbull Meets EURO IV

bull Weight 193 kg

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 5

GeneralTechnical data

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 6

GeneralPowerTorque curve

bull Idle 800 rpm max speed 5100 rpm

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 7

22L Duratorq TDCi (DW) DieselEngine Overview

bull Ma

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 8106

28092014Page 8

22L Duratorq TDCi (DW) DieselMain components

1 Cylinder head cover

2 Cylinder head (upper part)

3 Cylinder head (lower part)

4 Cylinder block and crank shaft

drive incl Balance shaft unit 5 Cylinder block extention

6 oil pan

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 9106

28092014Page 9

22L Duratorq TDCi (DW) DieselPCV components

1 Camshaft cover

2 PCV valve

3 Crankcase gas vent to

air duct

4 Oil filler cap5 Oil separator

6 Oil return tube

7 Crank case ventilation

tube

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 10106

28092014Page 10

22L Duratorq TDCi (DW) DieselCylinder head

New compared with DW10

Piezo injectors

Metal gasket

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 11106

28092014Page 11

22L Duratorq TDCi (DW) DieselCylinder Head

Metal gasket

bull Rubberd metal gasket

bull Sealing of injector

stemsupper intake air channels

to oil circuit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 12106

28092014Page 12

22L Duratorq TDCi (DW) DieselIntake channels

Not FordFilling Channel

Swirl channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 13106

28092014Page 13

22L Duratorq TDCi (DW) DieselCylinder Head gasket

bull 4 classifications

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 14106

28092014Page 14

22L Duratorq TDCi (DW) DieselCamshaft drive

New compared with DW10EX

New hydraulic chain

tentioner

IN

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 15106

28092014Page 15

22L Duratorq TDCi (DW) DieselCamshaft drive

Hydraulic chain tentioner

Spring

Arming by frac14 revolution

Disarmed Armed

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 16106

28092014Page 16

22L Duratorq TDCi (DW) DieselCamshaft drive

Engine timing

bull Similar procedure and same

special tools as on DW10

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 17106

28092014Page 17

22L Duratorq TDCi (DW) DieselCylinder block

bull Identification

bull 1st cylinder transmission

side

1234

Cylinder block

Cylinder block extention

Engine Identification pad

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 18106

28092014Page 18

22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 19106

28092014Page 19

22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 20

22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 21106

28092014Page 21

22L Duratorq TDCi (DW) DieselOil pan extention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 22106

28092014Page 22

22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 23106

28092014Page 23

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

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28092014Page 24

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

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28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 28

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

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28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 55

Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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Questions

Further Powertrain modifications job1 November 2007

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j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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28092014Page 94

On your CD

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

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bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

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Thank you for attention

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Formula for mass air calc DW12

New No injector drift

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ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 3: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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General

bull job1 022008

bull PSA Turbodiesel engine

bull 22L Duratorq-TDCi (DW) Diesel = DW12

bull Also used in- Landrover Freelander 2- Peugot 407 and 607- Citroen C5 and C6

bull Visually recognize from DW10

bull Manufacture Tremery (France PSA)

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GeneralFeatures

bull Four cylinders in line 16 valves

bull Cast-iron cylinder block

bull Ladderframe for extention of cylinder block for integration of

- Balance shafts (BS)

bull Two part cylinder head made of aluminiumbull Two overhead camshafts (exhaust camshaft is driven by timing belt)

bull sREA to control turbocharger

bull Bosch Common Rail System

bull Hego sensorbull Meets EURO IV

bull Weight 193 kg

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GeneralTechnical data

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GeneralPowerTorque curve

bull Idle 800 rpm max speed 5100 rpm

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22L Duratorq TDCi (DW) DieselEngine Overview

bull Ma

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22L Duratorq TDCi (DW) DieselMain components

1 Cylinder head cover

2 Cylinder head (upper part)

3 Cylinder head (lower part)

4 Cylinder block and crank shaft

drive incl Balance shaft unit 5 Cylinder block extention

6 oil pan

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22L Duratorq TDCi (DW) DieselPCV components

1 Camshaft cover

2 PCV valve

3 Crankcase gas vent to

air duct

4 Oil filler cap5 Oil separator

6 Oil return tube

7 Crank case ventilation

tube

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCylinder head

New compared with DW10

Piezo injectors

Metal gasket

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22L Duratorq TDCi (DW) DieselCylinder Head

Metal gasket

bull Rubberd metal gasket

bull Sealing of injector

stemsupper intake air channels

to oil circuit

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22L Duratorq TDCi (DW) DieselIntake channels

Not FordFilling Channel

Swirl channel

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22L Duratorq TDCi (DW) DieselCylinder Head gasket

bull 4 classifications

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22L Duratorq TDCi (DW) DieselCamshaft drive

New compared with DW10EX

New hydraulic chain

tentioner

IN

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCamshaft drive

Hydraulic chain tentioner

Spring

Arming by frac14 revolution

Disarmed Armed

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCamshaft drive

Engine timing

bull Similar procedure and same

special tools as on DW10

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 17

22L Duratorq TDCi (DW) DieselCylinder block

bull Identification

bull 1st cylinder transmission

side

1234

Cylinder block

Cylinder block extention

Engine Identification pad

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselOil pan extention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 23

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 31106

28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 4: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 4106

28092014Page 4

GeneralFeatures

bull Four cylinders in line 16 valves

bull Cast-iron cylinder block

bull Ladderframe for extention of cylinder block for integration of

- Balance shafts (BS)

bull Two part cylinder head made of aluminiumbull Two overhead camshafts (exhaust camshaft is driven by timing belt)

bull sREA to control turbocharger

bull Bosch Common Rail System

bull Hego sensorbull Meets EURO IV

bull Weight 193 kg

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 5106

28092014Page 5

GeneralTechnical data

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 6106

28092014Page 6

GeneralPowerTorque curve

bull Idle 800 rpm max speed 5100 rpm

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 7

22L Duratorq TDCi (DW) DieselEngine Overview

bull Ma

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 8

22L Duratorq TDCi (DW) DieselMain components

1 Cylinder head cover

2 Cylinder head (upper part)

3 Cylinder head (lower part)

4 Cylinder block and crank shaft

drive incl Balance shaft unit 5 Cylinder block extention

6 oil pan

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 9

22L Duratorq TDCi (DW) DieselPCV components

1 Camshaft cover

2 PCV valve

3 Crankcase gas vent to

air duct

4 Oil filler cap5 Oil separator

6 Oil return tube

7 Crank case ventilation

tube

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 10

22L Duratorq TDCi (DW) DieselCylinder head

New compared with DW10

Piezo injectors

Metal gasket

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 11

22L Duratorq TDCi (DW) DieselCylinder Head

Metal gasket

bull Rubberd metal gasket

bull Sealing of injector

stemsupper intake air channels

to oil circuit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 12

22L Duratorq TDCi (DW) DieselIntake channels

Not FordFilling Channel

Swirl channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 13

22L Duratorq TDCi (DW) DieselCylinder Head gasket

bull 4 classifications

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 14

22L Duratorq TDCi (DW) DieselCamshaft drive

New compared with DW10EX

New hydraulic chain

tentioner

IN

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 15

22L Duratorq TDCi (DW) DieselCamshaft drive

Hydraulic chain tentioner

Spring

Arming by frac14 revolution

Disarmed Armed

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 16

22L Duratorq TDCi (DW) DieselCamshaft drive

Engine timing

bull Similar procedure and same

special tools as on DW10

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 17

22L Duratorq TDCi (DW) DieselCylinder block

bull Identification

bull 1st cylinder transmission

side

1234

Cylinder block

Cylinder block extention

Engine Identification pad

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 18

22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 19

22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 20

22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 21

22L Duratorq TDCi (DW) DieselOil pan extention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 22

22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 23

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 24

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 28

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 29106

28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 33106

28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Thank you for attention

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Formula for mass air calc DW12

New No injector drift

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 5: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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GeneralTechnical data

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GeneralPowerTorque curve

bull Idle 800 rpm max speed 5100 rpm

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22L Duratorq TDCi (DW) DieselEngine Overview

bull Ma

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22L Duratorq TDCi (DW) DieselMain components

1 Cylinder head cover

2 Cylinder head (upper part)

3 Cylinder head (lower part)

4 Cylinder block and crank shaft

drive incl Balance shaft unit 5 Cylinder block extention

6 oil pan

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28092014Page 9

22L Duratorq TDCi (DW) DieselPCV components

1 Camshaft cover

2 PCV valve

3 Crankcase gas vent to

air duct

4 Oil filler cap5 Oil separator

6 Oil return tube

7 Crank case ventilation

tube

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22L Duratorq TDCi (DW) DieselCylinder head

New compared with DW10

Piezo injectors

Metal gasket

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22L Duratorq TDCi (DW) DieselCylinder Head

Metal gasket

bull Rubberd metal gasket

bull Sealing of injector

stemsupper intake air channels

to oil circuit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 12

22L Duratorq TDCi (DW) DieselIntake channels

Not FordFilling Channel

Swirl channel

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22L Duratorq TDCi (DW) DieselCylinder Head gasket

bull 4 classifications

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 14

22L Duratorq TDCi (DW) DieselCamshaft drive

New compared with DW10EX

New hydraulic chain

tentioner

IN

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCamshaft drive

Hydraulic chain tentioner

Spring

Arming by frac14 revolution

Disarmed Armed

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22L Duratorq TDCi (DW) DieselCamshaft drive

Engine timing

bull Similar procedure and same

special tools as on DW10

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 17

22L Duratorq TDCi (DW) DieselCylinder block

bull Identification

bull 1st cylinder transmission

side

1234

Cylinder block

Cylinder block extention

Engine Identification pad

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 18

22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 19

22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 20

22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 21

22L Duratorq TDCi (DW) DieselOil pan extention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 22

22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 23

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 24

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 28

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 29106

28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 31106

28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 32106

28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 33106

28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 34106

28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 6: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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GeneralPowerTorque curve

bull Idle 800 rpm max speed 5100 rpm

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselEngine Overview

bull Ma

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselMain components

1 Cylinder head cover

2 Cylinder head (upper part)

3 Cylinder head (lower part)

4 Cylinder block and crank shaft

drive incl Balance shaft unit 5 Cylinder block extention

6 oil pan

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselPCV components

1 Camshaft cover

2 PCV valve

3 Crankcase gas vent to

air duct

4 Oil filler cap5 Oil separator

6 Oil return tube

7 Crank case ventilation

tube

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCylinder head

New compared with DW10

Piezo injectors

Metal gasket

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCylinder Head

Metal gasket

bull Rubberd metal gasket

bull Sealing of injector

stemsupper intake air channels

to oil circuit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselIntake channels

Not FordFilling Channel

Swirl channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCylinder Head gasket

bull 4 classifications

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCamshaft drive

New compared with DW10EX

New hydraulic chain

tentioner

IN

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCamshaft drive

Hydraulic chain tentioner

Spring

Arming by frac14 revolution

Disarmed Armed

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22L Duratorq TDCi (DW) DieselCamshaft drive

Engine timing

bull Similar procedure and same

special tools as on DW10

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCylinder block

bull Identification

bull 1st cylinder transmission

side

1234

Cylinder block

Cylinder block extention

Engine Identification pad

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselOil pan extention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Injector control

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 7: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 7

22L Duratorq TDCi (DW) DieselEngine Overview

bull Ma

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 8

22L Duratorq TDCi (DW) DieselMain components

1 Cylinder head cover

2 Cylinder head (upper part)

3 Cylinder head (lower part)

4 Cylinder block and crank shaft

drive incl Balance shaft unit 5 Cylinder block extention

6 oil pan

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 9106

28092014Page 9

22L Duratorq TDCi (DW) DieselPCV components

1 Camshaft cover

2 PCV valve

3 Crankcase gas vent to

air duct

4 Oil filler cap5 Oil separator

6 Oil return tube

7 Crank case ventilation

tube

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 10106

28092014Page 10

22L Duratorq TDCi (DW) DieselCylinder head

New compared with DW10

Piezo injectors

Metal gasket

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 11106

28092014Page 11

22L Duratorq TDCi (DW) DieselCylinder Head

Metal gasket

bull Rubberd metal gasket

bull Sealing of injector

stemsupper intake air channels

to oil circuit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 12106

28092014Page 12

22L Duratorq TDCi (DW) DieselIntake channels

Not FordFilling Channel

Swirl channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 13106

28092014Page 13

22L Duratorq TDCi (DW) DieselCylinder Head gasket

bull 4 classifications

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 14106

28092014Page 14

22L Duratorq TDCi (DW) DieselCamshaft drive

New compared with DW10EX

New hydraulic chain

tentioner

IN

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 15106

28092014Page 15

22L Duratorq TDCi (DW) DieselCamshaft drive

Hydraulic chain tentioner

Spring

Arming by frac14 revolution

Disarmed Armed

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 16106

28092014Page 16

22L Duratorq TDCi (DW) DieselCamshaft drive

Engine timing

bull Similar procedure and same

special tools as on DW10

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 17106

28092014Page 17

22L Duratorq TDCi (DW) DieselCylinder block

bull Identification

bull 1st cylinder transmission

side

1234

Cylinder block

Cylinder block extention

Engine Identification pad

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 18106

28092014Page 18

22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 19106

28092014Page 19

22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 20106

28092014Page 20

22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 21106

28092014Page 21

22L Duratorq TDCi (DW) DieselOil pan extention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 22106

28092014Page 22

22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 23106

28092014Page 23

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 24106

28092014Page 24

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 28

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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28092014Page 55

Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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Injection ranges while active regeneration

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Questions

Further Powertrain modifications job1 November 2007

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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On your CD

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

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bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

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Thank you for attention

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Formula for mass air calc DW12

New No injector drift

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ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 8: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselMain components

1 Cylinder head cover

2 Cylinder head (upper part)

3 Cylinder head (lower part)

4 Cylinder block and crank shaft

drive incl Balance shaft unit 5 Cylinder block extention

6 oil pan

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22L Duratorq TDCi (DW) DieselPCV components

1 Camshaft cover

2 PCV valve

3 Crankcase gas vent to

air duct

4 Oil filler cap5 Oil separator

6 Oil return tube

7 Crank case ventilation

tube

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22L Duratorq TDCi (DW) DieselCylinder head

New compared with DW10

Piezo injectors

Metal gasket

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22L Duratorq TDCi (DW) DieselCylinder Head

Metal gasket

bull Rubberd metal gasket

bull Sealing of injector

stemsupper intake air channels

to oil circuit

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22L Duratorq TDCi (DW) DieselIntake channels

Not FordFilling Channel

Swirl channel

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22L Duratorq TDCi (DW) DieselCylinder Head gasket

bull 4 classifications

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22L Duratorq TDCi (DW) DieselCamshaft drive

New compared with DW10EX

New hydraulic chain

tentioner

IN

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22L Duratorq TDCi (DW) DieselCamshaft drive

Hydraulic chain tentioner

Spring

Arming by frac14 revolution

Disarmed Armed

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22L Duratorq TDCi (DW) DieselCamshaft drive

Engine timing

bull Similar procedure and same

special tools as on DW10

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCylinder block

bull Identification

bull 1st cylinder transmission

side

1234

Cylinder block

Cylinder block extention

Engine Identification pad

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22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

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22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

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22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

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22L Duratorq TDCi (DW) DieselOil pan extention

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22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

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28092014Page 23

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

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28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 50106

28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 9: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 9106

28092014Page 9

22L Duratorq TDCi (DW) DieselPCV components

1 Camshaft cover

2 PCV valve

3 Crankcase gas vent to

air duct

4 Oil filler cap5 Oil separator

6 Oil return tube

7 Crank case ventilation

tube

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 10106

28092014Page 10

22L Duratorq TDCi (DW) DieselCylinder head

New compared with DW10

Piezo injectors

Metal gasket

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 11106

28092014Page 11

22L Duratorq TDCi (DW) DieselCylinder Head

Metal gasket

bull Rubberd metal gasket

bull Sealing of injector

stemsupper intake air channels

to oil circuit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 12106

28092014Page 12

22L Duratorq TDCi (DW) DieselIntake channels

Not FordFilling Channel

Swirl channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 13106

28092014Page 13

22L Duratorq TDCi (DW) DieselCylinder Head gasket

bull 4 classifications

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 14106

28092014Page 14

22L Duratorq TDCi (DW) DieselCamshaft drive

New compared with DW10EX

New hydraulic chain

tentioner

IN

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 15106

28092014Page 15

22L Duratorq TDCi (DW) DieselCamshaft drive

Hydraulic chain tentioner

Spring

Arming by frac14 revolution

Disarmed Armed

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 16106

28092014Page 16

22L Duratorq TDCi (DW) DieselCamshaft drive

Engine timing

bull Similar procedure and same

special tools as on DW10

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 17106

28092014Page 17

22L Duratorq TDCi (DW) DieselCylinder block

bull Identification

bull 1st cylinder transmission

side

1234

Cylinder block

Cylinder block extention

Engine Identification pad

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 18

22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 19

22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 20

22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselOil pan extention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 22

22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 23

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

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28092014Page 24

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

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28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 28

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

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28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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28092014Page 37

Fuel system

F l t

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28092014Page 38

Fuel systemOverview

F l t

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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28092014Page 55

Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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Injection ranges while active regeneration

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Questions

Further Powertrain modifications job1 November 2007

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j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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On your CD

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Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

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bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

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Thank you for attention

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Formula for mass air calc DW12

New No injector drift

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ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 10: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCylinder head

New compared with DW10

Piezo injectors

Metal gasket

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22L Duratorq TDCi (DW) DieselCylinder Head

Metal gasket

bull Rubberd metal gasket

bull Sealing of injector

stemsupper intake air channels

to oil circuit

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22L Duratorq TDCi (DW) DieselIntake channels

Not FordFilling Channel

Swirl channel

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22L Duratorq TDCi (DW) DieselCylinder Head gasket

bull 4 classifications

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22L Duratorq TDCi (DW) DieselCamshaft drive

New compared with DW10EX

New hydraulic chain

tentioner

IN

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCamshaft drive

Hydraulic chain tentioner

Spring

Arming by frac14 revolution

Disarmed Armed

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22L Duratorq TDCi (DW) DieselCamshaft drive

Engine timing

bull Similar procedure and same

special tools as on DW10

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCylinder block

bull Identification

bull 1st cylinder transmission

side

1234

Cylinder block

Cylinder block extention

Engine Identification pad

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22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

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22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

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22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

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22L Duratorq TDCi (DW) DieselOil pan extention

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22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 23

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 24

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 11: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 11

22L Duratorq TDCi (DW) DieselCylinder Head

Metal gasket

bull Rubberd metal gasket

bull Sealing of injector

stemsupper intake air channels

to oil circuit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 12106

28092014Page 12

22L Duratorq TDCi (DW) DieselIntake channels

Not FordFilling Channel

Swirl channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 13106

28092014Page 13

22L Duratorq TDCi (DW) DieselCylinder Head gasket

bull 4 classifications

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 14106

28092014Page 14

22L Duratorq TDCi (DW) DieselCamshaft drive

New compared with DW10EX

New hydraulic chain

tentioner

IN

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 15106

28092014Page 15

22L Duratorq TDCi (DW) DieselCamshaft drive

Hydraulic chain tentioner

Spring

Arming by frac14 revolution

Disarmed Armed

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 16

22L Duratorq TDCi (DW) DieselCamshaft drive

Engine timing

bull Similar procedure and same

special tools as on DW10

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 17

22L Duratorq TDCi (DW) DieselCylinder block

bull Identification

bull 1st cylinder transmission

side

1234

Cylinder block

Cylinder block extention

Engine Identification pad

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 18

22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 19

22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 20

22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 21

22L Duratorq TDCi (DW) DieselOil pan extention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 22

22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 23

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 24

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

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28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 28

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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28092014Page 55

Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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Injection ranges while active regeneration

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Questions

Further Powertrain modifications job1 November 2007

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j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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On your CD

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Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

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bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

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Thank you for attention

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Formula for mass air calc DW12

New No injector drift

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ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 12: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselIntake channels

Not FordFilling Channel

Swirl channel

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22L Duratorq TDCi (DW) DieselCylinder Head gasket

bull 4 classifications

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22L Duratorq TDCi (DW) DieselCamshaft drive

New compared with DW10EX

New hydraulic chain

tentioner

IN

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22L Duratorq TDCi (DW) DieselCamshaft drive

Hydraulic chain tentioner

Spring

Arming by frac14 revolution

Disarmed Armed

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22L Duratorq TDCi (DW) DieselCamshaft drive

Engine timing

bull Similar procedure and same

special tools as on DW10

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCylinder block

bull Identification

bull 1st cylinder transmission

side

1234

Cylinder block

Cylinder block extention

Engine Identification pad

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22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

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22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

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22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

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22L Duratorq TDCi (DW) DieselOil pan extention

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22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

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28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 13: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 13

22L Duratorq TDCi (DW) DieselCylinder Head gasket

bull 4 classifications

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 14106

28092014Page 14

22L Duratorq TDCi (DW) DieselCamshaft drive

New compared with DW10EX

New hydraulic chain

tentioner

IN

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 15106

28092014Page 15

22L Duratorq TDCi (DW) DieselCamshaft drive

Hydraulic chain tentioner

Spring

Arming by frac14 revolution

Disarmed Armed

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 16106

28092014Page 16

22L Duratorq TDCi (DW) DieselCamshaft drive

Engine timing

bull Similar procedure and same

special tools as on DW10

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 17106

28092014Page 17

22L Duratorq TDCi (DW) DieselCylinder block

bull Identification

bull 1st cylinder transmission

side

1234

Cylinder block

Cylinder block extention

Engine Identification pad

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 18

22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 19

22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 20

22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselOil pan extention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 22

22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 23

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

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28092014Page 24

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

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28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 28

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

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28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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28092014Page 37

Fuel system

F l t

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28092014Page 38

Fuel systemOverview

F l t

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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28092014Page 55

Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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Injection ranges while active regeneration

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Questions

Further Powertrain modifications job1 November 2007

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j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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On your CD

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

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bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

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Thank you for attention

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Formula for mass air calc DW12

New No injector drift

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ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 14: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCamshaft drive

New compared with DW10EX

New hydraulic chain

tentioner

IN

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22L Duratorq TDCi (DW) DieselCamshaft drive

Hydraulic chain tentioner

Spring

Arming by frac14 revolution

Disarmed Armed

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22L Duratorq TDCi (DW) DieselCamshaft drive

Engine timing

bull Similar procedure and same

special tools as on DW10

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22L Duratorq TDCi (DW) DieselCylinder block

bull Identification

bull 1st cylinder transmission

side

1234

Cylinder block

Cylinder block extention

Engine Identification pad

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22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

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22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

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22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

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22L Duratorq TDCi (DW) DieselOil pan extention

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22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

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22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

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28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel system

F l t

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Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 50106

28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 15: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 15

22L Duratorq TDCi (DW) DieselCamshaft drive

Hydraulic chain tentioner

Spring

Arming by frac14 revolution

Disarmed Armed

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 16106

28092014Page 16

22L Duratorq TDCi (DW) DieselCamshaft drive

Engine timing

bull Similar procedure and same

special tools as on DW10

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 17106

28092014Page 17

22L Duratorq TDCi (DW) DieselCylinder block

bull Identification

bull 1st cylinder transmission

side

1234

Cylinder block

Cylinder block extention

Engine Identification pad

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 18106

28092014Page 18

22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 19106

28092014Page 19

22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 20106

28092014Page 20

22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 21106

28092014Page 21

22L Duratorq TDCi (DW) DieselOil pan extention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 22106

28092014Page 22

22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 23106

28092014Page 23

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

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28092014Page 24

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

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28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 28

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

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28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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28092014Page 55

Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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Injection ranges while active regeneration

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Questions

Further Powertrain modifications job1 November 2007

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j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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On your CD

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28092014Page 95

Thank you for attention

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TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

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bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

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Thank you for attention

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Formula for mass air calc DW12

New No injector drift

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ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 16: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCamshaft drive

Engine timing

bull Similar procedure and same

special tools as on DW10

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22L Duratorq TDCi (DW) DieselCylinder block

bull Identification

bull 1st cylinder transmission

side

1234

Cylinder block

Cylinder block extention

Engine Identification pad

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22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

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22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

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22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

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22L Duratorq TDCi (DW) DieselOil pan extention

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22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

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22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 17: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 17

22L Duratorq TDCi (DW) DieselCylinder block

bull Identification

bull 1st cylinder transmission

side

1234

Cylinder block

Cylinder block extention

Engine Identification pad

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 18

22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 19

22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 20

22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 21

22L Duratorq TDCi (DW) DieselOil pan extention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 22

22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 23106

28092014Page 23

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 24106

28092014Page 24

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 25106

28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 26106

28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 27106

28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 28

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 29106

28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 30106

28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 31106

28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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28092014Page 37

Fuel system

F l t

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Fuel systemOverview

F l t

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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Fuel systemInjectors

Fuel system

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Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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On your CD

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Thank you for attention

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TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

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Thank you for attention

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Formula for mass air calc DW12

New No injector drift

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ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 18: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselCylinder block

Engine Identification pad

1 Vehicle Homologation code

(mondeo shown)

2 Vehicle Vin number (last 7)

3 Engine source and type- 10DZ 64 signifies DW12 Ford

Manual Transmission

4 Engine serial number

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22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

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22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

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22L Duratorq TDCi (DW) DieselOil pan extention

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22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

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22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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Fuel system

F l t

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Fuel systemOverview

F l t

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Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

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Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Injector control

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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Injection ranges while active regeneration

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Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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On your CD

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 19: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 19

22L Duratorq TDCi (DW) DieselCylinder block

Piston cooling

bull 4 specific valve nozzles

opens

oil pressure gt 05 bar

bull Double cooling channel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 20

22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 21106

28092014Page 21

22L Duratorq TDCi (DW) DieselOil pan extention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 22106

28092014Page 22

22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 23106

28092014Page 23

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 24106

28092014Page 24

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 25106

28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 26106

28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 28106

28092014Page 28

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 29106

28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 30106

28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 31106

28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 32106

28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 33106

28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 34106

28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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28092014Page 55

Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Engine management system

Engine management system

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g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 20: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 20

22L Duratorq TDCi (DW) DieselCrankshaft

Thrust washers

Thrust washers

Balance shaft drive gear

Engine front

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 21

22L Duratorq TDCi (DW) DieselOil pan extention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 22

22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 23

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 24

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

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28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 28

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

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28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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28092014Page 55

Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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Injection ranges while active regeneration

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Questions

Further Powertrain modifications job1 November 2007

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j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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On your CD

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Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

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Thank you for attention

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Formula for mass air calc DW12

New No injector drift

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ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 21: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselOil pan extention

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22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

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22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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Fuel system

F l t

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Fuel systemOverview

F l t

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Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 51106

28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Injector control

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 64

Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 22: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 22

22L Duratorq TDCi (DW) DieselOil pan extention

Aluminium

Steel

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 23

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 24106

28092014Page 24

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 26106

28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 27106

28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 28106

28092014Page 28

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 29106

28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 30106

28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 31106

28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 32106

28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 33106

28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 34106

28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 35106

28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 36106

28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 37106

28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 55

Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Formula for mass air calc DW12

New No injector drift

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 23: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 23

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Spacer (Shim)

Spacer (Shim)

Balance shaft

assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 24

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

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28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

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28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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Injection ranges while active regeneration

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Questions

Further Powertrain modifications job1 November 2007

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j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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On your CD

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Thank you for attention

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TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

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bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

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Thank you for attention

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Formula for mass air calc DW12

New No injector drift

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ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 24: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Compensates imbalance forces produced by the engine

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

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22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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Fuel system

F l t

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Fuel systemOverview

F l t

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Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Injector control

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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Questions

Further Powertrain modifications job1 November 2007

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 25: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 25

22L Duratorq TDCi (DW) DieselBalance shaft assembly

bull Assembly is one part in Service

bull Before removing the assembly a backlash check between the

balance shaft gears is necessary (not adjustable)

bull After re-installation a backlash check between the balance shaft

gear and crankshaft gear is necessary (adjustable via shims)

BS assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 28

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 29106

28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 30106

28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 31106

28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 32106

28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 34106

28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 35106

28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 37106

28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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28092014Page 55

Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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28092014Page 64

Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 26: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 26

22L Duratorq TDCi (DW) DieselBS assembly

Alignment of balance shafts

bull Lock crankshaft (303-1059)

bull Align balance shafts in

912 clsquoclock

bull Set down balance shaft

assembly

12

9

Crankshaft side

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28092014Page 27

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

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28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

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28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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28092014Page 37

Fuel system

F l t

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Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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Injection ranges while active regeneration

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Questions

Further Powertrain modifications job1 November 2007

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j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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On your CD

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Thank you for attention

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TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

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bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

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Thank you for attention

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Formula for mass air calc DW12

New No injector drift

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ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 27: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

bull Backlash range

001 hellip 007 mm

(PSA)

bull 2 new special tools

303-1329

303-1330

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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Fuel system

F l t

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Fuel systemOverview

F l t

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Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

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Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 28: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gears

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 31106

28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 32106

28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 34106

28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 29: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 29

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Backlash check between the balance shaft gear and crankshaft gear

bull Remove 303-1329

bull Place 303-1330 to

other balance shaft

bull Backlash range

001 hellip 007 mm

(PSA)

bull Out of range

Adjustment via shims

is necessary

303-1330

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 30106

28092014Page 30

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 31106

28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 32106

28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 33106

28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 34106

28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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Fuel systemInjectors

Fuel system

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Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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28092014Page 94

On your CD

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 30: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Shim thickness

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28092014Page 31

22L Duratorq TDCi (DW) DieselBalance shaft assembly

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28092014Page 32

22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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Injection ranges while active regeneration

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Questions

Further Powertrain modifications job1 November 2007

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j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

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28092014Page 95

Thank you for attention

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

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Formula for mass air calc DW12

New No injector drift

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ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 31: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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28092014Page 37

Fuel system

F l t

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Fuel systemOverview

F l t

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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Injection ranges while active regeneration

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Questions

Further Powertrain modifications job1 November 2007

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j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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On your CD

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Thank you for attention

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TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

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Thank you for attention

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Formula for mass air calc DW12

New No injector drift

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ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 32: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselBalance shaft assembly

Request from Volker

bull Please handle procedure and all values with care

bull For final procedure and values please refer to latest service

literature

2 2L D TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

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22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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Fuel system

F l t

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Fuel systemOverview

F l t

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Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

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Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 33: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 33

22L Duratorq TDCi (DW) DieselOil Pump

Oil pump (rotor type)

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 41106

28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 44106

28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 45106

28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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28092014Page 55

Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 34: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 34

22L Duratorq TDCi (DW) DieselOil Pump

Specifications

bull Max pressure 65 bar

bull Max delivery rate 50 lmin

bull Pressure relief valve opening pressure 80 bar

bull Measuring oil pressure

oil pressure switch hole

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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28092014Page 64

Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 35: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 35

22L Duratorq TDCi (DW) DieselOil Pump

Nominal Values

O i l p r e s s u r e

( m b a r )

Engine speed (rpm)

80 degC

2 2L D t TDCi (DW) Di l

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 36

22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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28092014Page 37

Fuel system

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 38

Fuel systemOverview

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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28092014Page 55

Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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Questions

Further Powertrain modifications job1 November 2007

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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28092014Page 94

On your CD

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Thank you for attention

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Formula for mass air calc DW12

New No injector drift

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ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 36: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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22L Duratorq TDCi (DW) DieselSpecifications

Engine oil

bull Specification SAE 5W-30 (WSS-M2C913-B ACEA B3)bull Dry fill inc Filter 65 liters (filled up end of line)

bull Service fill + filter 60 liters

Servicebull Timing belt 240000 km 10 years

bull Fuel filter 60000 km

bull FEAD belt 240000 km 10 years

bull Coolant specification WSS-M97B44-D Arteco XLC

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28092014Page 37

Fuel system

F l t

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Fuel systemOverview

F l t

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Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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Questions

Further Powertrain modifications job1 November 2007

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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On your CD

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

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Thank you for attention

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Formula for mass air calc DW12

New No injector drift

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ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 37: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

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Fuel system

F l t

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Fuel systemOverview

F l t

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Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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Injection ranges while active regeneration

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Questions

Further Powertrain modifications job1 November 2007

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j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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On your CD

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Thank you for attention

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TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

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bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

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Thank you for attention

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Formula for mass air calc DW12

New No injector drift

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ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 38: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemOverview

F l t

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Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

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Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

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Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

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Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

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Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

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Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

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Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

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Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

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Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

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Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

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Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Fuel system

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Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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Injection ranges while active regeneration

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Questions

Further Powertrain modifications job1 November 2007

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 39: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 39

Fuel systemFeatures

bull Bosch Common Rail System 3rd generationbull High pressure up to 1600 bar (1800 bar for overboost - time limited)

bull Bosch piezoelecrtric injectors

bull CP1H pump

bull Pressure regulator valve (PCV) on railbull Injector back pressure valve in the fuel return line

bull Diesel preheating by recirculation

bull In-tank feed pump

F l t

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 44106

28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 51106

28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Injector control

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 40: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 40

Fuel systemFunction

Capteur

pression

de rail

PCV

Inlet

metering

valve

Diesel filter

Tdegc

Internalrecycling

High pressure

10 bars pressure

Return

Tank

Diesel cooler

Filter

elementTdegc

Backpressure

valve

(10bars)

P = - 013

to - 026

bar

Low pressure

Rail

pressure

sensor

P lt 18 bar

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 45106

28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 47106

28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 48106

28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 49106

28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 50106

28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 51106

28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 52106

28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 53106

28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 55106

28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 56106

28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 41: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 41

Fuel systemFuel filter

Draining bolt

Preheating valve

Fuel temp sensor

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 45106

28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 48106

28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 51106

28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 53106

28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 54106

28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 42: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 42

Fuel systemFuel filter

Function of preheating

A Fuel temperature lt 10 degC

B Fuel temperature gt 20 degC

Flow rate to fuel filter

lt 10 degC 95 hellip 100 gt 20 degC 0 hellip 5

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 43106

28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 45106

28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 46106

28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 47106

28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 48106

28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 49106

28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 50106

28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 51106

28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 52106

28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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28092014Page 55

Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 43: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 43

Fuel systemFeed pump

bull Not to support transfer pumpbull Supports jet pump only

bull Starts to run 5 sec after

engine start

bull Pump pressure up to 05 bar

bull Fault mode DC motor- Short cut damaged fuse + MIL

- open loop not detected by GEM

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 46106

28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 48106

28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 49106

28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 50106

28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 51106

28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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28092014Page 55

Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 44: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 44

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

bull Run-dry strategy- Engine shaking if fuel drops down to 18 l

- Engine shut-off if fuel drops down to approx 12 l

- Minimum refill to switch off run-dry mode 25 l

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 48106

28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 50106

28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 51106

28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 52106

28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 45: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 45

Fuel systemFuel level sensor

bull Function level sensor- metal latches are attracted by magnet

- Resistance drops down by increasing

fuel level

(Full)

(Emty)

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 47106

28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 48106

28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 50106

28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 51106

28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 52106

28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 53106

28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 54106

28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 46: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 46

Fuel systemCR pump CP1H

bull Driven by inlet camshaftbull Transferpump integrated

bull Max pressure 1800 bar (30 hours)

bull Inlet metering valve (IMV)

- normally openIMV

Transferpump

Function

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 47106

28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 48106

28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 49106

28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 50106

28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 51106

28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 52106

28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 53106

28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 54106

28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 55106

28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 56106

28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

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Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 47: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 47

Fuel systemIMV

IMV fault conditions

bull Engine torque limitation

- open loop short cut to Batt

(pressure control via PCV)

bull Engine shut down- short cut to ground

IMV

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 48

Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 50106

28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 51106

28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 52106

28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 53106

28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 55106

28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 56106

28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 57106

28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 59106

28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 60106

28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 64

Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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28092014Page 81

EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 48: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemPressure control valve (PCV)

Location in the system

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 51106

28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 55106

28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 57106

28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 58106

28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 59106

28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 60106

28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 61106

28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 62106

28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 63106

28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 64106

28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 49: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 49

Fuel systemPressure control valve (PCV)

bull Role- More rapidly control the fuel pressure in the rail

- Reduced heat production

bull Supply voltage = VBatt

bull Coil resistance ~ 10 Ohm

bull Power off position normally open

bull Power off = 0 bar

PCV Diesel

return

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 51106

28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 52106

28092014Page 52

Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 53106

28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 55106

28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 56106

28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 57106

28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 58106

28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 59106

28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 60106

28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 61106

28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 62106

28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 63106

28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 64106

28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 66106

28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 67106

28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 68106

28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 69106

28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

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CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

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EGR valve

Engine management systemEGR valve

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EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

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EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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On your CD

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28092014Page 95

Thank you for attention

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TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

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28092014Page 103

Thank you for attention

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Formula for mass air calc DW12

New No injector drift

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 50: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 50

Fuel systemPressure control valve (PCV)

Build-upFunction

1 Filter

2 Fit edge

3 Valve ball

4 O ring

5 Fixing nut6 Pin

7 Coil

8 Electric connector

9 Valve spring

PCV Dieselreturn

Fuel system

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Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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Fuel systemInjectors

Fuel system

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Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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EGR valve

Engine OFF

Engine management systemEGR valve

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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28092014Page 94

On your CD

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

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bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

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28092014Page 103

Thank you for attention

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 51: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 51

Fuel systemPressure control valve (PCV)

PCV Dieselreturn Idle

Fuel system

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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Fuel systemInjectors

Fuel system

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 76106

28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 52: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemPressure control valve (PCV)

PCV DieselreturnAccel to WOT

Fuel system

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Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

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Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

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Fuel systemInjectors

Fuel system

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Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 53: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 53

Fuel systemPressure control valve (PCV)

bull Fault conditions- engine torque limitation or

- engine shut down (depending on fault)

PCV Dieselreturn

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 54: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 54

Fuel systemRail pressure sensor

bull Piezoresestive sensorbull Signal 05 hellip 45 V

PCV Dieselreturn

V

Pressure

100

05

1800

45

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Engine management system

Engine management system

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 55: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 55106

28092014Page 55

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 56106

28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 57106

28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 58106

28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 59106

28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 60106

28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 61106

28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 56: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 56

Fuel systemInjectors

bull Piezoelectric Injectorbull 7 spray holes (

143 microm)

bull Up to 5 injections per cycle

- 2 pilot (up to 3000 rpm)

- 1 main (up to 4500 rpm)

- 2 post (cDPF reg phase)

bull Supply voltage 100 hellip 160 V

(230 hellip 1800 bar)

bull Rpiezo = 180 kΩ

bull Opening pressure 120 bar

Piezoelectric actuator

Electrical

connector

HP connector

Return connector

Injector nozzle

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 57106

28092014Page 57

Fuel systemInjectors

Injector control

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 58

Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 60106

28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 61106

28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 62106

28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 63106

28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 64106

28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 65106

28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 66106

28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 67106

28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 68106

28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 69106

28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 70106

28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 71106

28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 72106

28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

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28092014Page 94

On your CD

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28092014Page 95

Thank you for attention

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

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28092014Page 103

Thank you for attention

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

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ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 57: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Injector control

Fuel system

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

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Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Engine management system

Engine management system

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g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 58: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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Fuel systemInjectors

Idle

Pilot 1 Pilot 2 Main

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 60106

28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 61106

28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 64106

28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 69106

28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 70106

28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 72106

28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 73106

28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 76106

28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 59: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 59

Fuel systemInjectors

Architecture

Hydraulic

coupler

Hydraulic play compensator

Piezoelectric actuator

Needle

Nozzle washers

Lowpressure

(10 bars)

High pressure (230

bars to 1800 bars)

Fuel system Openingclosing principle

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 60: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 60106

28092014Page 60

Closing stepsPiezoelectric actuator discharged

Control room valve returns to its seat opens the fuel supply port and closes the outlet orifice

Fuel fills the chamber above the needleThe pressure below the needle is lower the needle closes

Opening stepsPiezoelectric actuator charged

Control room valve moved by the actuator closes the fuel supply port and opens the outlet orifice

The pressure above the needle falls

The pressure below the needle is higher the needle lifts

Fuel systemInjectors

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 61106

28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 62106

28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 63106

28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 64106

28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 65106

28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 66106

28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 67106

28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 68106

28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 69106

28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 91

Injection ranges while active regeneration

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 61: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 61

Fuel systemInjectors

Hydraulic coupler

bull Advantage- transmissionreinforcement

of piezo stroke

- compensation of lash

- stopping of injection in

case of electrical cut while

injection

1 Piezo element

2 Back pressure valve

3 Back pressure4 Hydraulic coupler

5 Control valve plunger

6 Piezo element plunger

OH

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 71106

28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 72106

28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 73106

28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 75106

28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 76106

28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 62: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 62106

28092014Page 62

Fuel systemBack pressure valve

bull Integrated inleak-off line

Valve 10

Bars

There can be pressure peaks up to 40 bars

Fuel system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 64106

28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 68106

28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 69106

28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 70106

28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 71106

28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 72106

28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 73106

28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 74106

28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 75106

28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 76106

28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 78106

28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 79106

28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 63: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 63106

28092014Page 63

yInjectors

Identification number

bull 10-digit alpha numerical codebull Input in cylinder order

- cylinder 1 on transmission side

Note

bull Do not disconnect while

engine running

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 64: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 64

Engine management system

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 66106

28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 67106

28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 68106

28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 69106

28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 70106

28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 71106

28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 72106

28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 73106

28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 74106

28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 75106

28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 76106

28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 77106

28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 78106

28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 79106

28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 65: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 65106

28092014Page 65

g g yGeneral

Bosch EDC 16 CP 39

bull EDC = Electronic Diesel Controlbull CP = Common Rail Piezo

bull Special features

- Broadband Hego sensor (Bosch planar type)

- PCV- Piezoelectric injectors

- Intake air throttle

- Electric EGR valve

- sREA for turbo control

OH

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 66106

28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 67106

28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 68106

28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 69106

28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 70106

28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 71106

28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 72106

28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 73106

28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 74106

28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 75106

28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 76106

28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 77106

28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 78106

28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 79106

28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 66: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 66106

28092014Page 66

g g yBroadband Hego sensor

Planar type (LSU 49)

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 67: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 67

g g yBroadband Hego sensor

Role and working principle of the Hego on DW12

bull Measures the drift of injectors or flow meter (up to 5 drift)

bull Using Hego to recalculate the amount of air

bull The difference ∆Qinj = (Qinj_actual ndash Qinj_calc) used to recalculatethe ldquo air flowrdquo to bring the engine back into specification

bull Advantage

accuracy EGR near the threshold over whole engine life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 68106

28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 69106

28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 70106

28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 71106

28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 72106

28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 73106

28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 74106

28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 75106

28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 76106

28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 77106

28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 78106

28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

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28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 68: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 68106

28092014Page 68

g g yBroadband Hego sensor

A broadband hego is necessary because of lean mixture operation

Lambda sensor

signal (Nernst cell)

Diesel engine operating range

ldquoBroadbandrdquo lambda sensor signal

mA

λ 1 1508

mV

Petrol engine operatingrange

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 69106

28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 70106

28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 71106

28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 72106

28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 73106

28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 74106

28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 75106

28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 76106

28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 77106

28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 78106

28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 79106

28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 69: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 69106

28092014Page 69

g g yBroadband Hego sensor

bull Best compromise betweenNOx and HC (PPM) for all

engine conditions

Impact of injector drift

A drift of injectors can upset the NOxPPM balance

If NOx uarr and PPM darr Euro IV thresholds respected

If NOx darr and PPM uarr Risk of shorter DPF life

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 70106

28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 71106

28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 72106

28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 73106

28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 74106

28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 75106

28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 76106

28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 77106

28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 78106

28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 79106

28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 70: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 70106

28092014Page 70

g g yBroadband Hego sensor

Review

bull Stoichiometric Diesel charge

145 Kg AIR 1 Kg fuel Ds =

1 kg

145 kg

perfect

diesel

mass

perfect air

mass

=

ʎ = 1

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 71106

28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 72106

28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 73106

28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 74106

28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 75106

28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 76106

28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 77106

28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 78106

28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 79106

28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 71: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 71106

28092014Page 71

Broadband Hego sensor

Review

bull Richness (Ri

)

Corresponds the concept of fuel proportion

Itlsquos the quotiont of effective dosage (d) over the stoichiometric

d

osage (ds

)

bull Lambda coefficient (

)

Corresponds the concept of air proportion

Rich mixture Rigt1

Stoichiometric dosage Ri=1

Lean mixture Rilt1

d

ds

Ri =

Rich mixture ʎ lt 1

Stoichiometric dosage ʎ = 1

Lean mixture ʎ gt 1

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 72106

28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 73106

28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 74106

28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 75106

28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 76106

28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 77106

28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 78106

28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 79106

28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 72: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 72106

28092014Page 72

Broadband Hego sensor

Richness (Ri) calculation

105

170

1Ri =

=

1

1 70 = 0588

ƴ

1

Ri

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 73106

28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 74106

28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 75106

28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 76106

28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 77106

28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 78106

28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 79106

28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 73: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 73106

28092014Page 73

The calculated amount of f resh air (Q_Air_calc) is determined in relation to

PCM

mapping

Q_inj_calc

Q_inj_actual

NQ_air_consigneQ_Air_calc

N

Q_inj_calc

mapping

Driver input

Engine speed (N)

Calculated fuel injected (Q_inj_calc)

Broadband Hego sensor

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 74106

28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 75106

28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 76106

28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 77106

28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 78106

28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 79106

28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 74: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 74106

28092014Page 74

Broadband Hego sensor

Heater

Vbatt = approx 12 V

Resitance heater (incl cable amp connector) = 32 plusmn 08 Ω

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 75106

28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 76106

28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 77106

28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 78106

28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 79106

28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 75: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 75106

28092014Page 75

Oil leveltemperature sensor

Role

bull Measurement of

oil temperature only

bull Further signal to calculate

oil dilution (cDPF)

bull Values

Sensors CG8233

Engine management system

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 76106

28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 77106

28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 78106

28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 79106

28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 76: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 76106

28092014Page 76

CMP sensor

Additional informations to DW10

bull Hall type sensor

bull Tecnical data

Vref 5 V

Signal 12 V

bull Note

Signal 12 V is switched to ground if phase passes

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 77106

28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 78106

28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 79106

28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 77: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 77106

28092014Page 77

CMP sensor

Shematic of sensor circuit

PCM

Controller

OH

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 78106

28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 79106

28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 78: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 78106

28092014Page 78

CMP sensor

KOEO approx 75 high 25 low

Engine management systemCMP

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 79106

28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 79: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 79106

28092014Page 79

CMP sensor

Idle One Cycle

Engine management systemK k S (KS)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 80: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 80106

28092014Page 80

Knock Sensor (KS)

No KS

By the way

KS not supported on all DW10 and Lynx (Kent) with Siemens System

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 81: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 81106

28092014Page 81

EGR valve

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 82: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 82106

28092014Page 82

EGR valve

bull DC motor

bull Integrated position sensor (poti)

5V from PCM

Ground from PCM

Signal from PCM

Position

sensor PWM

control

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 83: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 83106

28092014Page 83

EGR valve

Valve closed

Valve open

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 84: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 84106

28092014Page 84

EGR valve

Engine OFF

Engine management systemEGR valve

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 85: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 85106

28092014Page 85

EGR valve

Service

bull Learning after exchange via IDS

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 86: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 86106

28092014Page 86

Intake air throttle unit

bull Role

- prevents engine shaking after engine shut-off

- used during bdquoactiveldquo cDPF regeneration

Engine management systemIntake air throttle unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 87: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 87106

28092014Page 87

Intake air throttle unit

bull Includes- DC motor

- Integrated position sensor (poti)

bull Technical data

Vref 5 VRange 05 hellip 45 V

Max mech travel 100 deg

Electrically travel 815 deg

bull Reset after every engine shut-off

bull Learning after exchange via IDS

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 88: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 88106

28092014Page 88

sREA

sREA = simple Rotary Electronic Actuator

(PSA Bi-turbo)

Engine management systemsREA

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 89: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 89106

28092014Page 89

sREA

bull Used to electric turbocharger control

bull Consists of- DC motor- Contactless position sensor

bull Technical dataDC-Motor 12 V PWM signalVref Position sensor 5 V

bull

Output signal 5 V PWM signal - vanes fully open 15 duty cycle- vanes fully closed 85 duty cycle

Engine management systemService Functions (planned for job1)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 90: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 90106

28092014Page 90

Service Functions (planned for job1)

Reset of

bull oil change indicatorbull intake air throttle valve learned values

bull EGR valve learned values

bull cDPF learned values

bull differential pressure sensor learned values

bull water-in-fuel warning indicator (several markets)

bull Inlet Metering Valve (IMV) learned values

bull MAF sensor learned values

bull Reset of Hego sensor learned values

Further functions

bull cDPF static regeneration (dynamic maybe follows)

bull Injector correction factors

cDPF (not in hand outs) Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 91: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 91106

28092014Page 91

Injection ranges while active regeneration

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 92: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 92106

28092014Page 92

Questions

Further Powertrain modifications job1 November 2007

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 93: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 93106

28092014Page 93

j

DW10 instead of Lynx bull DW10 with 85 kW (115 PS) with MMT6 + cDPF

DW10 with 96 kW (130 PS)

bull Not further available with MMT6

bull Available with AWF-21 only

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 94: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 94106

28092014Page 94

On your CD

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 95: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 95106

28092014Page 95

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 96: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 96106

28092014Page 96

TravelPilot FX

InfotainmentBlaupunkt TravelPilot FX

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 97: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 97106

28092014Page 97

Replaces Travelpilot EX

bull Job1 Nov 2007

bull Features

- Coloured 5ldquo TFT-LCD

display- Acustic amp optical Nav

- Card for germany and west europe (SD card and CD)

- SD card functionally for navigation data

- RadioCD-player MP3 compatible (4 x 20 W power output)- AUX input in glove box

- Concers+ (cluster III) compatible

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 98: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 98106

28092014Page 98

Flex Fuel Vehicle (FFV)

Flex Fuel Vehicle (FFV)General

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 99: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 99106

28092014Page 99

bull Bioethanol (E85)

bull Well-known from FocusC-MAX

In CD34x

bull 20L Duratec-HE 145 PS185 Nm with MTX-75

bull Modified cylinder head (material only)

- Oil service all 10000 km

- Valve lash all 60000 km

bull Modified fuel pump and level sender unit

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 100: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 100106

28092014Page 100

Filter(used in east european

markets always)

Filter

Sealed Connectors

Flex Fuel Vehicle (FFV)Fuel pump and level sender unit

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 101: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 101106

28092014Page 101

Controlled by GEM

bull Frequency voltage supply with 160 DC

~ 4 ms ON followed by 240 ms OFF

T [s]

U [V]

5

1

Flex Fuel Vehicle (FFV)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 102: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 102106

28092014Page 102

bull Mixture ratio PetrolBioethanol is calculated via

- KS

- Hego

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 103: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 103106

28092014Page 103

Thank you for attention

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 104: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 104106

28092014Page 104

Formula for mass air calc DW12

New No injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 105: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 105106

28092014Page 105

ʎ = 172

1

ʎ Ri =

=1

172058

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =058 x 300

14512 mg

Injector drift

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg

Page 106: CD34x Freshening 2.2L Duratorq TDCi (DW) Diesel (DW12)

7212019 CD34x Freshening 22L Duratorq TDCi (DW) Diesel (DW12)

httpslidepdfcomreaderfullcd34x-freshening-22l-duratorq-tdci-dw-diesel-dw12 106106

ʎ = 182

1

ʎ Ri =

=1

182055

Q_inj_actual

Q_air_measuredRi =

=

145 x

Q_inj_actual =Ri x Q_air_measured

145

Q _inj_actual =055 x 317

14 512 mg