honda marine fuel injection diagnosis -chart warning indicator

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No, of brinks Warning indicator 1 3 4 6 7 8 10 13 14 21 23 24 25 26

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Page 1: Honda Marine Fuel Injection Diagnosis -Chart Warning Indicator

No, of brinks Warning indicator

1

3

4

6

7

8

10

13

14

21

23

24

25

26

Page 2: Honda Marine Fuel Injection Diagnosis -Chart Warning Indicator

41

58

7 and 131, 6, 13, 7, 10, 24 and 25

Not come on or does not brink

Stays on

Page 3: Honda Marine Fuel Injection Diagnosis -Chart Warning Indicator

Probable Problem part

Disconnected O2 sensor connectorShort or open circuit in O2 sensor wireFaulty O2 sensorSpark plug misfire

Disconnected MAP sensor connectorShort or open circuit in MAP sensor wireFaulty MAP sensor

Disconnected CKP sensor connectorShort or open circuit in CKP sensor wireFaulty CKP sensor

Disconnected ECT sensor connectorShort or open circuit in ECT sensor wireFaulty ECT sensor

Disconnected TP sensor connectorShort or open circuit in TP sensor wireFaulty TP sensor

Disconnected TDC sensor1 connectorShort or open circuit in TDC sensor1 wireFaulty TDC sensor1

Disconnected IAT sensor connectorShort or open circuit in IAT sensor wireFaulty IAT sensor

Disconnected BARO sensor connectorShort or open circuit in BARO sensor wireFaulty BARO sensor

Disconnected IACV connectorShort or open circuit in IACV sensor wireFaulty IACV

Disconnected VTEC solenoid valve connectorShort or open circuit in VTEC solenoid valve wireFaulty VTEC solenoid valve

Disconnected knock sensorconnectorShort or open circuit in knock sensor wireFaulty knock sensor

Disconnected over heat sensor1 connectorShort or open circuit in over heat sensor1 wireFaulty over heat sensor1

Disconnected over heat sensor2 connectorShort or open circuit in over heat sensor2 wireFaulty over heat sensor2

Disconnected oil pressure switch (high- pressure side) connectorShort or open circuit in oil pressure switch (high- pressure side) wireFaulty oil pressure switch (high- pressure side)

Page 4: Honda Marine Fuel Injection Diagnosis -Chart Warning Indicator

Open circuit in sensor output voltage lineOpen circuit in sensor ground line

Disconnected O2 sensor heater circuit connectorShort or open circuit in O2 sensor heater circuit wireFaulty O2 sensor heater circuitSpark plug misfire

Disconnected TDC sensor2 connectorShort or open circuit in TDC sensor2 wireFaulty TDC sensor2

Open circuit in related warning wireBlown warning indicatorOpen circuit in ECU ground wireFaulty ECU

Short circuit in SCS check connector wireShort circuit in warning wireShort circuit in sensor system power supply wireOpen circuit in power supply wire for ECUFaulty ECU

Page 5: Honda Marine Fuel Injection Diagnosis -Chart Warning Indicator

Location Role of each sensor

IN manifold

Crank pulley Detction angle of crankshaft

Throttle body Measurement angle of throttle

Cam shaft pulley Detection TDC of #1 cylinder

IN manifold

Front of engine Measurement pressure of atmspheric

IN manifold Correction to Idle speed

Cylinder block

Detection over heating

EX manifold Detection over heating

Detection oil pressure

EX manifoldSpark plug

Measurement density of oxygen in exhaust gas

Measurement pressure of air in Intake manifold

Between both cylinder head, must be removed the intake manifold and cylinder head

Measurement temperature of engine (engine oil)

Measurement temparature of air in intake manifold

Activates control for VTEC system(only BF225A)

Between both cylinder head, must be removed the intake manifold and cylinder head

Detection knocking while engine running

Between both cylinder head, must be removed the intake manifold and cylinder head

Between both cylinder head, must be removed the intake manifold and cylinder head

Page 6: Honda Marine Fuel Injection Diagnosis -Chart Warning Indicator

Heating O2 sensor

Cam shaft pulley Detection TDC of #1 cylinder

Related ECU

Control PanelRemote control boxECU