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Service BulletinVolvo Truck CorporationGteborg, Sweden

Date Group No. Release Page

7.05 370 145 01 1(12)

Trucks

This service bulletin complements Service HandbookGroup 37 20031778 Wiring diagram

Complementary informationFM12, FH12

D12F EM-JPN04

Wiring diagram, complementary

ContentsDiagram BIpage 2

Diagram CLpage 3

Diagram COpage 4

Diagram ISpage 5

Diagram IXpage 6

Wiring harnesses page 7

List of components page 11

20 033693ENG17895 English

Printed in Sweden

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Wiring harnesses

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List of components

A03 Instrument cluster

A09 Telephone

A14 Control unit, EMS (engine managementsystem)

A15 Control unit, SRS (SupplementaryRestrain System)

A29 Telephone handset, secrecy receiver

A43 Cooling fan control (B32 rpm sensorcooling fan, Y35 solenoid valvevisco-coupling)

A45 Primary filter, fuel (B52 water levelsensor, R10 heater, Y38 solenoid valve,water drainage)

B04 Sensor, engine speed, crankshaft

B05 Sensor, engine speed, camshaft

B07 Sensor, fuel level

B09B Sensor, oil temperature, gearbox

B21 Sensor, coolant temperature, engine

B22 Sensor, outdoor temperature

B27 Sensor, battery charging

B32 Sensor, engine cooling fan speed

B37 Sensor, boost pressure and boosttemperature

B39 Sensor, air filter pressure and air filtertemperature

B51 Sensor, fuel pressure

B52 Sensor, water level in fuel pre filter

B54 Sensor, crank case pressure

B65 Sensor, EGR valve position

B66 Sensor, temperature EGR

B80 Handsfree, Loudspeaker, Microphone

B85 Sensor, DPF temp

B87 Sensor, turbo speed

B89 Sensor, EGR diff. pressure

B115 Sensor, DPF pressure

B118 Sensor, oil pressure

B119 Sensor oil level and oil temp

B152 Sensor, brake airpressure, front

B153 Sensor, brake airpressure, rear

K48 Power relay, engine preheating

M19 Motor, EGR control valve

R01 Starting heater

R10 Heater, fuel pre filter

R28 OBD Resistor in harness

S06 Stalk switch, windscreen wiper, selectortype

S30 Switch unit, multi-function display

S34 Switch unit, steering wheel push buttons

S47 Position switch, low split indicator

S52_L Proximity switch, cab lock, NO.

S52_R Proximity switch, cab lock, NO.

S68 Sensor, coolant level

X08 Contact reel, air bag

X12 Power connector

Y33 Solenoid valve, UI (unit injector)

Y34 Control valve, EGR (Exhaust GasRecirculation) (B65 sensor EGR valveposition, M19 motor EGR control valve)

Y35 Solenoid valve, engine cooling fan

Y37 Solenoid valve, AVU

Y38 Solenoid valve, fuel pre filter waterdraining

Y39 Solenoid valve, VCB

Y43_L Seat belt tensioner, pyrotechnical

Y43_R Seat belt tensioner, pyrotechnical

Y44 Air bag, pyrotechnical

Y54 Control module VGT (Variable GeometryTurbine)

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