PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-100
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-100V9 MR-372-J84-17B050$423.mif
S3000 Injection
Program No.: AD
Vdiag No.: 4C / 54
DF398
PRESENT
OR
STOREDFUEL CIRCUIT OPERATING FAULT
1.DEF: Non-compliance with emission control standards
2.DEF: Component in bad condition
NOTESPriority when dealing with a number of faults:
If faults DF085 Fuel pump relay control circuit, DF549 Canister bleed circuit and
injector faults
DF026 Cylinder 1 injector control circuit,
DF027 Cylinder 2 injector control circuit;
DF028 Cylinder 3 injector control circuit,
DF029 Injector control circuit cylinder 4, are present or stored, deal with these first.
Special note:
–the OBD warning light is lit,
– a fuel supply system fault can lead to starting difficulties, and loss of comfort and
power.
Check the cleanliness, condition and fitting of the fuel vapour absorber.
Check the connections and correct operation of the petrol pump.
Check the cleanliness, condition and fitting of the injectors and their sealing.
Repair if necessary.
Check:
– that the fuel is present and correct,
– the tank vent,
– that there are no leaks on the petrol circuit (from the tank to the injectors),
– that there are no kinked hoses (especially after dismantling),
– the fuel flow rate and pressure.
Repair the faulty component(s) if necessary (see MR 364 or 370 Mechanics, 13A, Fuel supply).
If the fault is still present, deal with the other faults then proceed to the conformity check.
AFTER REPAIRFollow the instructions to confirm repair.
Deal with any other faults.
Clear the stored faults.
S3000_V4C_DF398/S3000_V54_DF398
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-103
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-103V9 MR-372-J84-17B050$423.mif
S3000 Injection
Program No.: AD
Vdiag No.: 4C / 54
DF436
PRESENT
OR
STOREDDETECTION OF ENGINE MISFIRING
1.DEF: Destructive misfiring
2.DEF: Pollutant misfiring
3.DEF: Non-compliance with emission control standards
NOTESPriority when dealing with a number of faults:
– ignition:
DF361 Ignition coil circuit cylinders 1-4,
DF362 Ignition coil circuit cylinders 2-3.
– fuel supply circuit:
DF026 Cylinder 1 injector control circuit,
DF027 Cylinder 2 injector control circuit,
DF028 Cylinder 3 injector control circuit,
DF029 Cylinder 4 injector control circuit,
DF085 Fuel pump relay control circuit.
– flywheel signal:
DF154 Flywheel signal sensor circuit,
DF457 Engine flywheel target.
– cylinder combustion misfires:
DF059 Combustion misfire in cylinder 1,
DF060 Combustion misfire in cylinder 2,
DF061 Combustion misfire in cylinder 3,
DF062 Combustion misfire in cylinder 4.
Conditions for applying the fault finding procedure to stored faults:
The fault is considered present under the following conditions:
– there must be no further electrical faults,
– programming must be carried out.
– engine warm (min 75°C),
– engine running at idling speed with all electrical consumers on for approximately
15 minutes.
Special note:
– catalytic converter misfire: OBD warning light flashes when the fault is present then
is continuously lit,
– pollutant combustion misfire: OBD warning light lit continuously.
– engine unstable, loss of power and vibrations.
AFTER REPAIRFollow the instructions to confirm repair.
Deal with any other faults.
Clear the stored faults.
S3000_V4C_DF436/S3000_V54_DF436
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-104
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-104V9 MR-372-J84-17B050$423.mif
S3000 Injection
Program No.: AD
Vdiag No.: 4C / 54
DF436
CONTINUED
Check the injectors.
Check the condition and conformity of the spark plugs.
Check the ignition pencil coils.
Check that the correct fuel is being used.
If the fault is still present, carry out the following checks:
– check the flywheel sensor,
– check the condition and cleanliness of the flywheel,
– check the flywheel sensor mounting,
– check the sensor/flywheel air gap,
– check the cylinder compressions,
– check the complete fuel supply system (see Workshop Repair Manual 364 or 370 Mechanics, 13A, Fuel
supply),
– check the complete ignition system (see MR 364 or 370 Mechanics, 17A, Ignition),
– check the hydraulic tappets if there is camshaft noise (see MR 364 or 370 Mechanics, 11A, Top and front of
engine).
If the fault is still present, deal with the other faults then proceed with the conformity check.
AFTER REPAIRFollow the instructions to confirm repair.
Deal with any other faults.
Clear the stored faults.
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-105
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-105V9 MR-372-J84-17B050$423.mif
S3000 Injection
Program No.: AD
Vdiag No.: 4C / 54
DF455
PRESENT
OR
STOREDLOW FUEL LEVEL SIGNAL
1.DEF: Multiplex network
2.DEF: Non-compliance with emission control standards
NOTESNone.
Run a multiplex network test (see88B, Multiplexing).
If the fault is still present, carry out fault finding on the Instrument panel system (see83A, Instrument panel).
AFTER REPAIRFollow the instructions to confirm repair.
Deal with any other faults.
Clear the stored faults.
S3000_V4C_DF455/S3000_V54_DF455
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-112V9 MR-372-J84-17B050$423.mif
S3000 Injection
Program No.: AD
Vdiag No.: 4C / 54
DF635
PRESENT
OR
STOREDLPG CYLINDER 1 COMBUSTION MISFIRE
1.DEF: Destructive misfiring
2.DEF: Polluting misfiring
3.DEF: Non-compliance with emission control standards
NOTESPriority when dealing with a number of faults:
– LPG fuel system: see 17C, LPG injection,
– ignition:
DF361 Ignition coil circuit cylinders 1-4,
DF362 Ignition coil circuit cylinders 2-3.
– flywheel signal:
DF154 Flywheel signal sensor circuit,
DF457 Engine flywheel target.
Check whether there are other cylinders with an LPG combustion misfire fault detected
by the tool before starting the following fault finding procedure.
Conditions for applying the fault finding procedure to stored faults:
The fault is considered present under the following conditions:
– there must be no further electrical faults,
– the programming must have been done, particularly the flywheel target,
– engine warm (min 75°C),
– run the engine at idle speed with all electrical consumers switched on for
approximately 15 minutes.
Special note:
– catalytic converter misfire: OBD warning light flashes when the fault is present then
is continuously lit,
– pollutant combustion misfire: OBD warning light lit continuously.
–engine unstable, loss of power and vibrations.
Misfiring on
cylinder 1 only
Combustion
misfires on
cylinders 1 and 4
The fault is probably due to a component that can only affect this cylinder:
– check the cylinder 1 pencil coil,
– check the condition and conformity of the spark plugs,
– check the cylinder 1 LPG injector
If everything is in order, check the same components on cylinder 4 (to cover a possible
cylinder recognition error).
The fault is probably due to a component that affects a pair of cylinders:
– check the ignition coil circuit concerned (apply the interpretation of fault DF361
Ignition coil control 1-4 or DF362 Ignition coil control 2-3),
– check the condition and conformity of the spark plugs.
AFTER REPAIRFollow the instructions to confirm repair.
Deal with any other faults.
Clear the stored faults.
S3000_V4C_DF635/S3000_V54_DF635
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-113V9 MR-372-J84-17B050$423.mif
S3000 Injection
Program No.: AD
Vdiag No.: 4C / 54
DF636
PRESENT
OR
STOREDLPG CYLINDER 2 COMBUSTION MISFIRE
1.DEF: Destructive misfiring
2.DEF: Polluting misfiring
3.DEF: Non-compliance with emission control standards
NOTESPriority when dealing with a number of faults:
– LPG fuel system: see 17C, LPG injection,
– ignition:
DF361 Ignition coil circuit cylinders 1-4,
DF362 Ignition coil circuit cylinders 2-3.
– flywheel signal:
DF154 Flywheel signal sensor circuit,
DF457 Engine flywheel target.
Check whether there are other cylinders with an LPG combustion misfire fault detected
by the tool before starting the following fault finding procedure.
Conditions for applying the fault finding procedure to stored faults:
The fault is considered present under the following conditions:
– there must be no further electrical faults,
– the programming must have been done, particularly the flywheel target,
– engine warm (min 75°C),
– run the engine at idle speed with all electrical consumers switched on for
approximately 15 minutes.
Special note:
– catalytic converter misfire: OBD warning light flashes when the fault is present then
is continuously lit,
– pollutant combustion misfire: OBD warning light lit continuously.
–engine unstable, loss of power and vibrations.
Combustion
misfires in
cylinder 2 only
Combustion
misfires in
cylinders 2 and 3
The fault is probably due to a component that can only affect this cylinder:
– check the cylinder 2 pencil coil,
– check the condition and conformity of the spark plugs,
– check the cylinder 2 LPG injector.
If everything is in order, check the same components on cylinder 3 (to correct a possible
cylinder identification error).
The fault is probably due to a component that affects a pair of cylinders:
– check the ignition coil circuit concerned (apply the interpretation of fault DF361
Ignition coil control 1-4 or DF362 Ignition coil control 2-3),
– check the condition and conformity of the spark plugs.
AFTER REPAIRFollow the instructions to confirm repair.
Deal with any other faults.
Clear the stored faults.
S3000_V4C_DF636/S3000_V54_DF636
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-114V9 MR-372-J84-17B050$423.mif
S3000 Injection
Program No.: AD
Vdiag No.: 4C / 54
DF637
PRESENT
OR
STOREDLPG CYLINDER 3 COMBUSTION MISFIRE
1.DEF: Destructive misfiring
2.DEF: Polluting misfiring
3.DEF: Non-compliance with emission control standards
NOTESPriority when dealing with a number of faults:
– LPG fuel system: see 17C, LPG injection,
– ignition:
DF361 Ignition coil circuit cylinders 1-4,
DF362 Ignition coil circuit cylinders 2-3.
– flywheel signal:
DF154 Flywheel signal sensor circuit,
DF457 Engine flywheel target.
Check whether there are other cylinders with an LPG combustion misfire fault detected
by the tool before starting the following fault finding procedure.
Conditions for applying the fault finding procedure to stored faults:
The fault is considered present under the following conditions:
– there must be no further electrical faults,
– the programming must have been done, particularly the flywheel target,
– engine warm (min 75°C),
– run the engine at idle speed with all electrical consumers switched on for
approximately 15 minutes.
Special note:
– catalytic converter misfire: OBD warning light flashes when the fault is present then
is continuously lit,
– pollutant combustion misfire: OBD warning light lit continuously.
–engine unstable, loss of power and vibrations.
Combustion
misfires in
cylinder 3 only
Combustion
misfires in
cylinders 2 and 3
The fault is probably due to a component that can only affect this cylinder:
– check the cylinder 3 pencil coil,
– check the condition and conformity of the spark plugs,
– check the cylinder 3 LPG injector.
If everything is in order, check the same components on cylinder 2 (to correct a possible
cylinder identification error).
The fault is probably due to a component that affects a pair of cylinders:
– check the ignition coil circuit concerned (apply the interpretation of fault DF361
Ignition coil control 1-4 or DF362 Ignition coil control 2-3),
– check the condition and conformity of the spark plugs.
AFTER REPAIRFollow the instructions to confirm repair.
Deal with any other faults.
Clear the stored faults.
S3000_V4C_DF637/S3000_V54_DF637
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-115V9 MR-372-J84-17B050$423.mif
S3000 Injection
Program No.: AD
Vdiag No.: 4C / 54
DF638
PRESENT
OR
STOREDLPG CYLINDER 4 COMBUSTION MISFIRE
1.DEF: Destructive misfiring
2.DEF: Polluting misfiring
3.DEF: Non-compliance with emission control standards
NOTESPriority when dealing with a number of faults:
– LPG fuel system: see 17C, LPG injection,
– ignition:
DF361 Ignition coil circuit cylinders 1-4,
DF362 Ignition coil circuit cylinders 2-3.
– flywheel signal:
DF154 Flywheel signal sensor circuit,
DF457 Engine flywheel target.
Check whether there are other cylinders with an LPG combustion misfire fault detected
by the tool before starting the following fault finding procedure.
Conditions for applying the fault finding procedure to stored faults:
The fault is considered present under the following conditions:
– there must be no further electrical faults,
– the programming must have been done, particularly the flywheel target,
– engine warm (min 75°C),
– run the engine at idle speed with all electrical consumers switched on for
approximately 15 minutes.
Special note:
– catalytic converter misfire: OBD warning light flashes when the fault is present then
is continuously lit,
– pollutant combustion misfire: OBD warning light lit continuously.
–engine unstable, loss of power and vibrations.
Misfiring on
cylinder 4 only
Combustion
misfires on
cylinders 1 and 4
The fault is probably due to a component that can only affect this cylinder:
– check the pencil coil of cylinder 4,
– check the condition and conformity of the spark plugs,
– check the cylinder 4 LPG injector.
If everything is okay, check the same components on cylinder 1 (to correct a possible
cylinder identification error).
The fault is probably due to a component that affects a pair of cylinders:
– check the ignition coil circuit concerned (apply the interpretation of fault DF361
Ignition coil control 1-4 or DF362 Ignition coil control 2-3),
– check the condition and conformity of the spark plugs.
AFTER REPAIRFollow the instructions to confirm repair.
Deal with any other faults.
Clear the stored faults.
S3000_V4C_DF638/S3000_V54_DF638