charging RENAULT SCENIC 2011 J95 / 3.G Engine And Peripherals EDC16C36 User Guide

13B-47V9 MR-372-J84-13B450$101.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF004
CONTINUED 2
Check the condition of the turbocharging pressure sensor connector (see Wiring Diagram Technical Note,
Mégane II ph2, Scénic II ph2, component code 1071).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Mégane II ph2, Scénic II ph2, component code 120).
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
Check the insulation in relation to + 12 V or + 5 V (computer feed) of the following connections:
– connection code 3LN between components 120 and 1071,
– Connection code 3LP between components 120 and 1071.
Check the continuity of the following connection:
– connection code 3LN between components 120 and 1071.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
If the fault is still present, replace the turbocharger pressure sensor.
1.DEF
NOTESNone.
Check the condition of the turbocharging pressure sensor connector (see Wiring Diagram Technical Note,
Mégane II ph2, Scénic II ph2, component code 1071).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Mégane II ph2, Scénic II ph2, component code 120).
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
Perform fault finding procedure on parameter PR041 Turbocharging pressure.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-53V9 MR-372-J84-13B450$101.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF011
CONTINUED 1
1.DEFNOTESNone.
Note:
Supply no.1 is for the following component:
– pedal sensor (gang 1),
– turbocharger pressure sensor.
Measure the feed voltage on the following sensors:
– Connection code 3LR of component 921.
– Connection code 3LQ of component 1071.
If the voltage is more than + 5.1 V, disconnect the sensor connectors one by one.
If, after disconnecting the pedal sensor, the voltage returns to normal,
Check the insulation against + 12 V of the following connection:
– Connection code 3LR between components 120 and 921.
If, after disconnecting the turbocharging pressure sensor, the voltage returns to normal,
Check the insulation against + 12 V of the following connection:
– connection code 3LQ, between components 120 and 1071.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
Clear the faults created by the multiple disconnections.
Carefully examine the engine management computer connections (for conductive particles, bent pins).
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-54V9 MR-372-J84-13B450$101.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF011
CONTINUED 2
2.DEFNOTESNone.
Note:
Supply no.1 is for the following component:
– pedal sensor (gang 1),
– turbocharger pressure sensor.
Measure the feed voltage on the following sensors:
– Connection code 3LR of component 921.
– Connection code 3LQ of component 1071.
If the voltage is less than + 4.9 V, disconnect the sensor connectors one by one.
If, after disconnecting the pedal sensor, the voltage returns to normal.
check the insulation to earth of the following connection:
– Connection code 3LR between components 120 and 921.
If, after disconnecting the turbocharging pressure sensor, the voltage returns to normal.
check the insulation to earth of the following connection:
– connection code 3LQ, between components 120 and 1071.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
Clear the faults created by the multiple disconnections.
Carefully examine the engine management computer connections (for conductive particles, bent pins).
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-82V9 MR-372-J84-13B450$102.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF046
PRESENT
OR
STOREDBATTERY VOLTAGE
1.DEF: Above max threshold
2.DEF: Below minimum threshold
3.DEF: Initialisation not done.
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present after:
– starting the engine,
– a road test.
Special notes:
– thermoplungers cut-off,
– engine torque limited,
Computer operating voltage: 6 V < operating voltage < 16.5 V.
It is then not possible to start the engine.
Use bornier Elé.1681 for any operations on the injection computer connectors.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
1.DEF
NOTESNone.
Check the charging circuit, apply Technical Note 6014A Checking the charging circuit.
Carry out the necessary repairs.
EDC16C36_V44_DF046/EDC16C36_V4C_DF046/EDC16C36_V48_DF046/EDC16C36_V50_DF046/EDC16C36_V54_DF046/
EDC16C36_V58_DF046
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-88V9 MR-372-J84-13B450$102.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF054
PRESENT
OR
STOREDTURBOCHARGING SOLENOID VALVE CONTROL CIRCUITCO: Open circuit
CC.1: short-circuit to + 12 V
CC.0: Short circuit to earth
1.DEF: Internal electronic fault
NOTESPriorities when dealing with a number of faults:
Deal with fault DF046 Battery voltage first, if it is present or stored.
Conditions for applying the fault finding procedure to a stored fault:
The fault is declared present after:
– the ignition is switched on.
– starting the engine,
– a road test,
– actuator command AC004 Turbocharging solenoid valve.
Special notes:
If the fault is present:
– turbocharging is no longer authorised,
– the EGR function is inhibited,
–the level 1 and European On Board Diagnostic warning lights are lit.
Use bornier Elé.1681 for any operations on the injection computer connectors.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
EDC16C36_V44_DF054/EDC16C36_V4C_DF054/EDC16C36_V48_DF054/EDC16C36_V50_DF054/EDC16C36_V54_DF054/
EDC16C36_V58_DF054
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-89V9 MR-372-J84-13B450$102.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF054
CONTINUED 1
CONOTESNone.
Check the condition of the turbocharging solenoid valve (see Wiring Diagram Technical Note, Mégane II ph2,
Scénic II ph2, component code 1475).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Mégane II ph2, Scénic II ph2, component code 120).
If the connector or connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Measure the resistance of the turbocharging solenoid valve between the following connections:
– Connection code 3FB of component 1475.
– Connection code 3MG of component 1475.
If the resistance measured is greater than 1 kΩ or less than 6 Ω, replace the turbocharging solenoid valve.
Check the continuity of the following connections:
– Connection code 3MG between components 1475 and 120.
Check for the presence of + 12 V after relay on the turbocharging solenoid valve connector.
– Connection code 3FB of component 1475.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
If the fault is still present, replace the turbocharging solenoid valve.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-90V9 MR-372-J84-13B450$102.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF054
CONTINUED 2
CC.1NOTESNone.
Check the condition of the turbocharging solenoid valve (see Wiring Diagram Technical Note, Mégane II ph2,
Scénic II ph2, component code 1475).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Mégane II ph2, Scénic II ph2, component code 120).
If the connector or connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Measure the resistance of the turbocharging solenoid valve between the following connections:
– Connection code 3FB of component 1475.
– Connection code 3MG of component 1475.
If the resistance measured is greater than 1 kΩ or less than 6 Ω, replace the turbocharging solenoid valve.
Check the continuity and insulation in relation to + 12 V of the following connection:
– Connection code 3MG between components 1475 and 120.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
If the fault is still present, replace the turbocharging solenoid valve.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-91V9 MR-372-J84-13B450$102.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF054
CONTINUED 3
CC.0NOTESNone.
Check the condition of the turbocharging solenoid valve (see Wiring Diagram Technical Note, Mégane II ph2,
Scénic II ph2, component code 1475).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Mégane II ph2, Scénic II ph2, component code 120).
If the connector(s) is/are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical
wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Measure the resistance of the turbocharging solenoid valve between the following connections:
– Connection code 3FB of component 1475.
– Connection code 3MG of component 1475.
If the resistance measured is greater than 1 kΩ or less than 6 Ω, replace the turbocharging solenoid valve.
Check the continuity and insulation from earth of the following connections:
– Connection code 3MG between components 1475 and 120.
Check for the presence of + 12 V after relay on the turbocharging solenoid valve connector.
– Connection code 3FB of component 1475.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
If the fault is still present, replace the turbocharging solenoid valve.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-92V9 MR-372-J84-13B450$102.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF054
CONTINUED 4
1.DEFNOTESSpecial note:
This fault appears when the computer control section
has overheated.
Check the condition of the turbocharging solenoid valve (see Wiring Diagram Technical Note, Mégane II ph2,
Scénic II ph2, component code 1475).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Mégane II ph2, Scénic II ph2, component code 120).
If the connector or connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Measure the resistance of the turbocharging solenoid valve between the following connections:
– Connection code 3FB of component 1475.
– Connection code 3MG of component 1475.
If the resistance measured is not 15.4 ± 0.1 Ω at 20°C, replace the turbocharging solenoid valve.
Check the continuity and insulation of the following connection:
– Connection code 3MG between components 1475 and 120.
Check for + 12 V after relay feed on the turbocharging solenoid valve connector.
– Connection code 3FB of component 1475.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
– If the fault is stored, clear the fault using AC004 Turbocharging solenoid valve.
– If, when AC004 Turbocharging solenoid valve is running, DF054 ''Turbocharging solenoid valve control
circuit'' 1.DEF is present or stored, contact the Techline.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-93V9 MR-372-J84-13B450$102.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF055
PRESENT
OR
STOREDTURBOCHARGING PRESSURE REGULATION CIRCUIT
1.DEF: Turbocharging pressure too high
2.DEF: Turbocharging pressure too low
NOTESPriorities when dealing with a number of faults:
Deal with faults DF054 Turbocharger solenoid valve control circuit and DF004
Turbocharging pressure sensor circuit first, if they are present or stored.
Conditions for applying the fault finding procedure to a stored fault:
In the negative loop difference phase.
The fault is declared present after:
– the ignition is switched on.
– starting the engine,
– a road test.
Special notes:
If the fault is present:
– engine torque limited,
– turbocharging regulation is inhibited,
– the EGR function is inhibited,
– increase in polluting emissions,
– activation of the EGR bypass,
– the injection level 1 warning light is on.
Use bornier Elé.1681 for any operations on the injection computer connectors.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
EDC16C36_V44_DF055/EDC16C36_V4C_DF055/EDC16C36_V48_DF055/EDC16C36_V50_DF055/EDC16C36_V54_DF055/
EDC16C36_V58_DF055
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58