2010 RENAULT SCENIC engine

PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-57
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-57V9 MR-372-J84-17B050$329.mif
S3000 Injection
Program No.: AD
Vdiag No.: 4C / 54
DF062
PRESENT
OR
STOREDCOMBUSTION MISFIRING ON CYLINDER 4
1.DEF: Destructive misfiring
2.DEF: Polluting 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 Injector control circuit cylinder 1,
DF027 Injector control circuit cylinder 2,
DF028 Injector control circuit cylinder 3,
DF029 Injector control circuit cylinder 4,
DF085 Fuel pump relay control circuit.
– engine flywheel signal: DF154 Flywheel signal sensor circuit
DF457 Flywheel target
Check whether there are other cylinders with a 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,
– programming must be carried out.
– warm engine (coolant temperature 75°C minimum),
– engine running at idling speed with all electrical consumers on for approximately
15 minutes.
Special note:
–OBD warning light illuminated.
1.DEF
NOTESSpecial note:
– As soon as the fault is detected, the injection is cut off on
the faulty cylinder(s) to limit the temperature increase in
the catalytic converter,
– if a fault is present, the OBD warning light flashes.
2.DEFSpecial note:
–the OBD warning light remains continuously lit.
AFTER REPAIRDeal with any faults declared by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
S3000_V4C_DF062/S3000_V54_DF062

PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-58
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-58V9 MR-372-J84-17B050$329.mif
S3000 Injection
Program No.: AD
Vdiag No.: 4C / 54
DF062
CONTINUED
Misfiring on
cylinder 4 only
Combustion
misfires in
cylinders 1 and 4
(see DF059
Combustion
misfires in
cylinder 1 and
DF062 Combustion
misfires in
cylinder 4)
Combustion
misfires on all four
cylinders (see
DF059, DF060
DF061 and DF062)
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 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),
– check the condition and conformity of the spark plugs.
The fault is probably due to a component affecting all the cylinders:
– check that the correct fuel is being used,
– check the condition and conformity of the spark plugs.
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 flywheel/sensor air gap,
– check the cylinder compressions,
– check the complete fuel system (see MR 364 or 370 Mechanics, 13A, Fuel supply, Petrol supply system),
– check the complete ignition system (see MR 364 or 370 Mechanics, 17A, Ignition, Spark plugs),
– 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 REPAIRDeal with any faults declared by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.

PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-59
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-59V9 MR-372-J84-17B050$329.mif
S3000 Injection
Program No.: AD
Vdiag No.: 4C / 54
DF078
PRESENT
OR
STOREDMOTORISED THROTTLE CONTROL CIRCUIT
1.DEF: Component in bad condition
WARNING
Never drive the vehicle without having confirmed that no faults involving the throttle valve are present.
NOTESPriority when dealing with a number of faults:
If faults DF095 Throttle potentiometer circuit gang 1 or DF096 Throttle
potentiometer circuit gang 2 are present, deal with these first.
Conditions for applying the fault finding procedure to stored faults:
The fault is considered present if:
– the engine speed varies,
–the AC027 Motorised throttle command is activated,
– the engine air temperature should be between 5°C and 105°C.
Special note:
–level 1 fault warning light illuminated.
– throttle valve defect mode types 1 and 2: vehicle and engine speed restriction, ESP
and the cruise control/speed limiter are deactivated.
Check the cleanliness and condition of the throttle valve and its connections.
Manually check that the throttle rotates properly.
Disconnect the battery and the injection computer.
Check the cleanliness and condition of the connections.
Use the "Universal bornier" to check the insulation and continuity of the following connections:
Injection computer, connectorB, track M3 track 3 of the motorised throttle
(K4M 766/812 and 813, F4R 770 and 771)
track 4of the motorised throttle
(K4J 740, K4M 788 LPG, F4RT 774 and 776)
Injection computer, connectorB track M4 track 5 of the motorised throttle valve
(K4M 766/812 and 813, F4R 770 and 771)
track 3 of the motorised throttle
(K4J 740, K4M 788 LPG, F4RT 774 and 776)
Repair if necessary.
AFTER REPAIRFollow the instructions to confirm repair.
Deal with any other faults.
Clear the stored faults.
S3000_V4C_DF078/S3000_V54_DF078

PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-61
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-61V9 MR-372-J84-17B050$329.mif
S3000 Injection
Program No.: AD
Vdiag No.: 4C / 54
DF079
PRESENT
OR
STORED
MOTORISED THROTTLE VALVE SERVO
CO: Open circuit
1.DEF: Micro-breaks
2.DEF: Motorised throttle limit search fault
3.DEF: Faulty flap return spring
4.DEF: Safe mode
5.DEF: Motorised throttle valve flap vibrating
6.DEF: Motorised throttle control fault
7.DEF: Intake supply circuit
8.DEF: Non-compliance with emission control standards
NOTESPriority when dealing with a number of faults:
If faultsDF011 Sensor feed voltage no. 1,
DF078 Motorised throttle control circuit,
DF095 Throttle potentiometer circuit gang 1,
DF096 Throttle potentiometer circuit gang 2,
are present or stored, deal with these first.
Conditions for applying the fault finding procedure to stored faults:
The fault is considered present if:
– the engine speed varies,
– the engine air temperature is between 5°C and 105°C.
CO
6.DEF
NOTESSpecial note:
–level 1 fault warning light illuminated.
– defect mode type 1 and 2: vehicle and engine speed
restriction, ESP and the cruise control/speed limiter are
deactivated.
2.DEF
3.DEF
4.DEFSpecial note:
–level 1 fault warning light illuminated.
– throttle valve defect mode type 4: speed limiter at 54 mph
(90 km/h) and loss of power during acceleration.
Check the cleanliness, condition and fitting of the throttle valve.
Repair if necessary.
If the fault is still present, manually check that the throttle valve rotates correctly.
Repair if necessary.
AFTER REPAIRFollow the instructions to confirm repair.
Deal with any other faults.
Clear the stored faults.
S3000_V4C_DF079/S3000_V54_DF079

PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-64
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-64V9 MR-372-J84-17B050$376.mif
S3000 Injection
Program No.: AD
Vdiag No.: 4C / 54PETROL INJECTION
Fault finding - Interpretation of faults
DF080
PRESENT
OR
STORED
CAMSHAFT DEPHASER CIRCUIT
CO: Open circuit
CC.0: Short circuit to earth
CC.1: Short circuit to + 12 V
1.DEF: Programming of stops
2.DEF: Dephaser mechanically jammed
3.DEF: Servo-control fault
4.DEF: Non-compliance with emission control standards
NOTESPriority when dealing with a number of faults:
Apply the procedure for dealing with faults DF084 Actuator relay control circuit or
DF046 Battery voltage first if they are present or stored.
If faults DF154 Engine speed sensor circuit, DF119 Camshaft sensor signal and
DF080 are all present, ignore DF080 and deal with the other 2 faults first.
Conditions for applying the fault finding procedure to stored faults:
The fault is declared present after a road test.
See Technical Note 6506A, Injection fault finding, Camshaft dephaser.
If the fault is still present, contact the Techline.
AFTER REPAIRFollow the instructions to confirm repair.
Deal with any other faults.
Clear the stored faults.
S3000_V4C_DF080/S3000_V54_DF080
MR-372-J84-17B050$376.mif

PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-67
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-67V9 MR-372-J84-17B050$376.mif
S3000 Injection
Program No.: AD
Vdiag No.: 4C / 54
DF084
PRESENT
OR
STOREDACTUATOR RELAY CONTROL CIRCUIT
CO: Open circuit
CC.0: Short circuit to earth
CC.1: Short-circuit to + 12 V
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present with the engine running.
Special note:
This relay supplies the following actuators:
– the injectors
– the petrol fuel vapour absorber,
– the injection computer supply on track M2,
– the low-speed and high-speed fan assembly relays.
CO/CC.1: Actuators no longer supplied: the vehicle stalls and restart impossible.
CC.0: The actuators are supplied all the time: high electrical consumption when
stationary.
Intermittent CO: Intermittent relay cut-off: jerking while driving.
Disconnect the battery and the injection computer.
Check the cleanliness and condition of the injection actuator relay connections.
Check the cleanliness and condition of the UCH computer connections.
Repair if necessary.
Disconnect connector MN of the Protection and Switching Unit.
Check the cleanliness and condition of its connections.
Use the "Universal bornier" to check the insulation and continuity on the following connection:
Injection computer, connectorB, track D4Protection and Switching Unit, connector MN,
track 5
Repair if necessary.
If the fault is still present, carry out fault finding on the Protection and Switching Unit system (See87G, Engine
interconnection unit).
Contact the Techline.
AFTER REPAIRFollow the instructions to confirm repair.
Deal with any other faults.
Clear the stored faults.
S3000_V4C_DF084/S3000_V54_DF084

PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-69
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-69V9 MR-372-J84-17B050$376.mif
S3000 Injection
Program No.: AD
Vdiag No.: 4C / 54
DF085
CONTINUED
IF THE PUMP DOES NOT OPERATE
Disconnect connector CN of the Protection and Switching Unit.
Check the cleanliness and condition of its connections.
Using command AC079 Actuator static test, check for + 12 V on track 3 of the fuel pump.
If there is not + 12 V, check (using the universal bornier) the insulation and the continuity on the following
connection:
Protection and Switching Unit, connector CN,
track 1Track 3 fuel pump
Repair if necessary.
If the fault is still present, carry out fault finding on the Protection and Switching Unit system (see87G,
Engine interconnection unit).
If the fault is still present, contact the Techline.
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-70
PETROL INJECTION
Fault finding - Interpretation of faults
17B
17B-70V9 MR-372-J84-17B050$376.mif
S3000 Injection
Program No.: AD
Vdiag No.: 4C / 54
DF088
PRESENT
OR
STOREDPINKING SENSOR CIRCUIT
1.DEF: Abnormal voltage
2.DEF: Non-compliance with emission control standards
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present during a road test with a warm engine at an engine speed
above 1500 rpm.
Special note:
The wiring harness connecting the injection computer to the pinking sensor is
"shielded", from this a short circuit to + 12 V is improbable.
Check the cleanliness and condition of the pinking sensor and its connections.
Check the tightness of the pinking sensor.
Disconnect the battery and the injection computer.
Check the cleanliness and condition of the connections.
Use the "Universal bornier" to check the insulation and continuity of the following connections:
Computer, connectorB, track B3 track 2 of the pinking sensor
Computer, connectorB, track B4 track 1of the pinking sensor
Computer, connectorB, track B2Pinking sensor screening
Repair if necessary.
Check the conformity of the fuel in the tank.
Check the conformity of the spark plugs.
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.
S3000_V4C_DF088/S3000_V54_DF088