13B-45
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 with the diagnostic tool.
V12 MR-372-J84-13B300$071.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
DF011
CONTINUED 1
1.DEFNOTESNone.
Note:
Supply no.1 is for the following component:
– accelerator pedal sensor (gang 1),
– turbocharger pressure sensor,
– turbine upstream pressure sensor (Vdiag 18, 1C, 54, 20, 58, 5C, 24 only).
Measure the sensor feed voltage on the following connections:
•3LR of component 921,
•3LQ of component1071,
•3MX of component 1299 (Vdiag 18, 1C, 54, 20, 58, 5C, 24 only).
if at least one of the three voltages is greater than + 5.1 V, disconnect the sensor connectors one by one.
If, after disconnecting the turbocharging pressure sensor, component code 1071, the voltage returns to normal,
Check the insulation against + 12 V of the following connection:
•3LQ between components 120 and 1071.
If, after disconnecting the accelerator pedal sensor, component code 921, the voltage returns to normal,
Check the insulation against + 12 V of the following connection:
•3LR between components 120 and 921.
If, after disconnecting the turbine upstream pressure sensor, component code 1299, the voltage returns to normal,
Check the insulation against + 12 V of the following connection:
•3MX between the components 120 and 1299 (Vdiag 18, 1C, 54, 20, 58, 5C, 24 only).
If the connection or connections are faulty and if there is a repair method (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.
Clear the faults created by the multiple disconnections.
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Laguna II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 120).
If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
If the fault is still present, contact the Techline.
13B-46
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 with the diagnostic tool.
V12 MR-372-J84-13B300$071.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
DF011
CONTINUED 2
2.DEFNOTESNone.
Note:
Supply no.1 is for the following component:
– accelerator pedal sensor (gang 1),
– turbocharger pressure sensor,
turbine upstream pressure sensor (Vdiag 18, 1C, 54, 20, 58, 5C, 24 only).
Measure the sensor feed voltage on the following connections:
•3LR of component 921,
•3LQ of component1071,
•3MX of component 1299 (Vdiag 18, 1C, 54, 20, 58, 5C, 24 only).
If at least one of the three voltages is less than + 4.9 V, disconnect the sensor connectors one by one.
If, after disconnecting the turbocharging pressure sensor, the voltage returns to normal,
Check the insulation to earth of the following connection:
•3LQ between components 120 and 1071.
If, after disconnecting the accelerator pedal sensor, the voltage returns to normal,
Check the insulation to earth of the following connection:
•3LR between components 120 and 921.
If the voltage returns to normal after the turbine upstream pressure sensor is disconnected,
Check the insulation to earth of the following connection:
•3MX between components 120 and 1299.
If the connection or connections are faulty and if there is a repair method (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.
Clear the faults created by the multiple disconnections.
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Laguna II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 120).
If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
If the fault is still present, contact the Techline.
13B-104
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 with the diagnostic tool.
V12 MR-372-J84-13B300$072.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
DF046
PRESENT
OR
STOREDBATTERY VOLTAGE
1.DEF: Above maximum threshold
2.DEF: Below minimum threshold
3.DEF: Initialisation not done.
NOTESConditions for applying the fault finding procedure to a stored fault:
If the fault is declared present after:
– starting the engine,
– a road test.
Special notes:
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 the Wiring Diagram Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV
ph2, 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.
EDC16CP33_V18_DF046 / EDC16CP33_V1C_DF046 / EDC16CP33_V54_DF046 / EDC16CP33_V20_DF046 / EDC16CP33_V58_DF046 /
EDC16CP33_V5C_DF046 / EDC16CP33_V24_DF046 / EDC16CP33_V04_DF046 / EDC16CP33_V08_DF046 / EDC16CP33_V44_DF046 /
EDC16CP33_V4C_DF046 / EDC16CP33_V34_DF046 / EDC16CP33_V38_DF046 / EDC16CP33_V74_DF046 / EDC16CP33_V28_DF046 /
EDC16CP33_V62_DF046/ EDC16CP33_V26_DF046 / EDC16CP33_V60_DF046
13B-105
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 with the diagnostic tool.
V12 MR-372-J84-13B300$072.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
DF046
CONTINUED
2.DEFNOTESNone.
Using a voltmeter, take a reading of the battery voltage at its terminals.
Compare this value with the value displayed by the diagnostic tool PR074 Battery voltage.
If there is no difference (less than 1 V):
– Recharge and test the battery. If it is faulty, replace it.
– Check the charging circuit: Technical Note 6014A Checking the charging circuit.
If there is a difference (greater than 1 V):
– Check the tightness and the condition of the battery terminals.
Using the appropriate wiring diagram:
–Check the continuity and absence of interference resistance on the following connection:
•3FB between components 120 and 983 or 1337.
Check the conformity of the earths on connections NT of component 120.
If the connection or connections are faulty and if there is a repair method (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.
3.DEF
NOTESOnly deal with this fault when it is present.
Switch off the ignition, wait for the diagnostic tool message (maximum wait 8 min): Loss of dialogue with the
computer: EDC16 CP33, check the tool connection and the computer supply voltage then switch on the
ignition again and check whether the fault is still present.
If the fault is still present, contact the Techline.
13B-111
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 with the diagnostic tool.
V12 MR-372-J84-13B300$072.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
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:
– DF046 Battery voltage.
Conditions for applying the fault finding procedure to a stored fault:
If 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 EOBD (European On Board Diagnostic) warning lights are lit.
Use bornier Elé.1681 for any work on the injection computer connectors.
Use the Wiring Diagram Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV
ph2, Mégane II ph2, Scénic II ph2.
CO
NOTESNone.
Check the condition of the turbocharging solenoid valve connector (see Wiring Diagram Technical Note, Laguna
II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 1475).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Laguna II ph2, Vel Satis ph2, Espace IV ph2, 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.
EDC16CP33_V18_DF054 / EDC16CP33_V1C_DF054 / EDC16CP33_V54_DF054 / EDC16CP33_V20_DF054 / EDC16CP33_V58_DF054 /
EDC16CP33_V5C_DF054 / EDC16CP33_V24_DF054 / EDC16CP33_V04_DF054 / EDC16CP33_V08_DF054 / EDC16CP33_V44_DF054 /
EDC16CP33_V4C_DF054 / EDC16CP33_V34_DF054 / EDC16CP33_V38_DF054 / EDC16CP33_V74_DF054 / EDC16CP33_V28_DF054 /
EDC16CP33_V62_DF054 / EDC16CP33_V26_DF054 / EDC16CP33_V60_DF054
13B-112
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 with the diagnostic tool.
V12 MR-372-J84-13B300$072.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
DF054
CONTINUED 1
Measure the resistance between connections3FB and 3MG of component1475.
Replace the turbocharging solenoid valve if the resistance measured is greater than 1 kΩ or less than 6 Ω.
Check the continuity of the following connection:
•3MG between components 120 and 1475.
Check the + 12 V after relay supply of the turbocharging solenoid valve on the following connection:
•3FB of component 1475.
If the connection or connections are faulty and if there is a repair method (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.
If the fault is still present, replace the turbocharging solenoid valve.
CC.1
NOTESNone.
Check the condition of the turbocharging solenoid valve connector (see Wiring Diagram Technical Note, Laguna
II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 1475).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Laguna II ph2, Vel Satis ph2, Espace IV ph2, 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 between connections3FB and 3MG of component1475.
Replace the turbocharging solenoid valve if the resistance measured is greater than 1 kΩ or less than 6 Ω
Check the insulation in relation to +12 V of the following connection:
•3MG between components 120 and 1475.
If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the fault is still present, replace the turbocharging solenoid valve.
13B-113
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 with the diagnostic tool.
V12 MR-372-J84-13B300$072.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
DF054
CONTINUED 2
CC.0NOTESNone.
Check the condition of the turbocharging solenoid valve connector (see Wiring Diagram Technical Note, Laguna
II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 1475).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Laguna II ph2, Vel Satis ph2, Espace IV ph2, 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 between connections3FB and 3MG of component1475.
Replace the turbocharging solenoid valve if the resistance measured is greater than 1 kΩ or less than 6 Ω
Check the insulation to earth of the following connection:
•3MG between components 120 and 1475.
Check the + 12 V after relay supply of the turbocharging solenoid valve on the following connection:
•3FB of component 1475.
If the connection or connections are faulty and if there is a repair method (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.
If the fault is still present, replace the turbocharging solenoid valve.
13B-114
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 with the diagnostic tool.
V12 MR-372-J84-13B300$072.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
DF054
CONTINUED 3
1.DEFNOTESSpecial notes:
This fault appears when the computer control section
overheats or when command AC004 "Turbocharging
solenoid valve" is run.
Check the condition of the turbocharging solenoid valve connector (see Wiring Diagram Technical Note, Laguna
II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 1475).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Laguna II ph2, Vel Satis ph2, Espace IV ph2, 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 between connections3FB and 3MG of component1475.
Replace the turbocharging solenoid valve if the resistance measured is greater than 1 kΩ or less than 6 Ω
Check the continuity and absence of interference resistance on the following connection:
•3MG between components 120 and 1475.
Check the + 12 V after relay supply of the turbocharging solenoid valve on the following connection:
•3FB of component 1475.
If the connection or connections are faulty and if there is a repair method (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.
If the fault is stored, clear the fault and run command AC004.
If, when command AC004, DF054 Turbocharging solenoid valve control circuit 1.DEF is present or stored,
contact the Techline.