13B-123
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
DF061
PRESENT
OR
STOREDMISFIRING ON CYLINDER 3
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault reappears after:
– engine speed PR055 Engine speed between idle speed and 1050 rpm,
– a coolant temperature PR064 Coolant temperature ≥ 20°C.
Priorities when dealing with a number of faults:
– DF028 Cylinder 3 injector control circuit
– DF052 Injector control circuit.
Special notes:
After an injector has been replaced, run commands SC002 Enter injector codes and
SC036 Reinitialise programming and follow the procedure.
IMPORTANT:
Cylinder no. 1 is located at the timing end.
Do not disconnect the injectors when the engine is running.
When removing and refitting an injector, respect the cleanliness guidelines and safety
advice (see MR364 (Mégane II ph2), MR370 (Scénic II ph2), MR 395 (Laguna II
ph2), 402 (Vel Satis ph2), 405 (Espace IV ph2), Mechanical, 13B Diesel injection,
Diesel injectors: Removal - Refitting).
EDC16CP33_V18_DF061 / EDC16CP33_V1C_DF061 / EDC16CP33_V54_DF061 / EDC16CP33_V20_DF061 / EDC16CP33_V58_DF061 /
EDC16CP33_V5C_DF061 / EDC16CP33_V24_DF061 / EDC16CP33_V04_DF061 / EDC16CP33_V08_DF061 / EDC16CP33_V44_DF061 /
EDC16CP33_V4C_DF061 / EDC16CP33_V34_DF061 / EDC16CP33_V38_DF061 / EDC16CP33_V74_DF061 / EDC16CP33_V28_DF061 /
EDC16CP33_V62_DF061 / EDC16CP33_V26_DF061 / EDC16CP33_V60_DF061
13B-125
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
DF062
PRESENT
OR
STOREDMISFIRING ON CYLINDER 4
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault reappears after:
– engine speed PR055 Engine speed between idle speed and 1050 rpm,
– a coolant temperature PR064 Coolant temperature ≥ 20°C.
Priorities when dealing with a number of faults:
– DF029 Cylinder 4 injector control circuit
– DF052 Injector control circuit.
Special notes:
After an injector has been replaced, run commands SC002 Enter injector codes and
SC036 Reinitialise programming and follow the procedure.
IMPORTANT:
Cylinder no. 1 is located at the timing end.
Do not disconnect the injectors when the engine is running.
When removing and refitting an injector, respect the cleanliness guidelines and safety
advice (see MR364 (Mégane II ph2), MR370 (Scénic II ph2), MR 395 (Laguna II
ph2), 402 (Vel Satis ph2), 405 (Espace IV ph2), Mechanical, 13B Diesel injection,
Diesel injectors: Removal - Refitting).
EDC16CP33_V18_DF062 / EDC16CP33_V1C_DF062 / EDC16CP33_V54_DF062 / EDC16CP33_V20_DF062 / EDC16CP33_V58_DF062 /
EDC16CP33_V5C_DF062 / EDC16CP33_V24_DF062 / EDC16CP33_V04_DF062 / EDC16CP33_V08_DF062 / EDC16CP33_V44_DF062 /
EDC16CP33_V4C_DF062 / EDC16CP33_V34_DF062 / EDC16CP33_V38_DF062 / EDC16CP33_V74_DF062 / EDC16CP33_V28_DF062 /
EDC16CP33_V62_DF062 / EDC16CP33_V26_DF062 / EDC16CP33_V60_DF062
13B-127
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
DF065
PRESENT
OR
STOREDCOMBUSTION MISFIRES
1.DEF: Combustion misfires detected on several cylinders.
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault reappears after:
– engine speed PR055 Engine speed between idle speed and 1050 rpm,
– a coolant temperature PR064 Coolant temperature ≥ 20°C.
Priorities when dealing with a number of faults:
– DF052 Injector control 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
IMPORTANT:
When removing and refitting an injector, respect the cleanliness guidelines and safety
advice (see MR364 (Mégane II ph2), MR370 (Scénic II ph2), MR 395 (Laguna II
ph2), 402 (Vel Satis ph2), 405 (Espace IV ph2), Mechanical, 13B Diesel injection,
Diesel injectors: Removal - Refitting).
Perform TEST 2 Resolving misfires.
If the fault is still present, contact the Techline.
EDC16CP33_V18_DF065 / EDC16CP33_V1C_DF065 / EDC16CP33_V54_DF065 / EDC16CP33_V20_DF065 / EDC16CP33_V58_DF065 /
EDC16CP33_V5C_DF065 / EDC16CP33_V24_DF065 / EDC16CP33_V04_DF065 / EDC16CP33_V08_DF065 / EDC16CP33_V44_DF065 /
EDC16CP33_V4C_DF065 / EDC16CP33_V34_DF065 / EDC16CP33_V38_DF065 / EDC16CP33_V74_DF065 / EDC16CP33_V28_DF065 /
EDC16CP33_V62_DF065 / EDC16CP33_V26_DF065 / EDC16CP33_V60_DF065
13B-132
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.: 18, 1C, 20, 24,
26, 28, 54, 58, 5C, 60, 62
DF086
PRESENT
OR
STOREDCOOLANT PUMP RELAY CONTROL CIRCUITCO: Open circuit
CC.0: Short circuit to earth
CC.1: Short-circuit on +12 volts.
1.DEF: Internal electronic fault
NOTESConditions for applying the fault finding procedure to a stored fault:
If the fault becomes present after:
– the ignition is switched on.
– starting the engine,
– a road test.
Special notes:
The control relay is located in the engine compartment connection unit.
Use bornier Elé. 1681 for all operations on the engine management 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 coolant pump relay mounting connector on the engine fuse box (see Wiring Diagram
Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code
597).
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.
Check the conformity of the coolant pump relay (relay removed):
•Insulation between connections 3FB and 3VH of component 573.
• Measure the resistance between connections 3AAZ and 3FB of component 573.
Replace the relay if the resistance of the coolant pump relay is greater than 1 kΩ or less than 6 Ω.
EDC16CP33_V18_DF086 / EDC16CP33_V1C_DF086 / EDC16CP33_V20_DF086 / EDC16CP33_V24_DF086 / EDC16CP33_V26_DF086 /
EDC16CP33_V28_DF086 / EDC16CP33_V54_DF086 / EDC16CP33_V58_DF086 / EDC16CP33_V5C_DF086 / EDC16CP33_V60_DF086 /
EDC16CP33_V62_DF086
13B-133
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.: 18, 1C, 20, 24,
26, 28, 54, 58, 5C, 60, 62
DF086
CONTINUED 1
Check the continuity of the following connections:
•3AAZ between components 120 and 573,
•3VH between components 573 and 369,
•M between components 369 and the vehicle earth.
Check the + 12 V after relay supply to the coolant pump relay:
•3FB of component 573.
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.
CC.1
NOTESNone.
Check the condition of the coolant pump relay mounting connector on the engine fuse box (see Wiring Diagram
Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code
597).
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.
Check the conformity of the coolant pump relay (relay removed):
•Insulation between connections 3FB and 3VH of component 573.
• Measure the resistance between connections 3AAZ and 3FB of component 573.
Replace the relay if the resistance of the coolant pump relay is greater than 1 kΩ or less than 6 Ω.
Check the insulation from + 12 V of the following connections:
•3AAZ between components 120 and 573,
•3VH between components 573 and 369.
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.
13B-134
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.: 18, 1C, 20, 24,
26, 28, 54, 58, 5C, 60, 62
DF086
CONTINUED 2
CC.0NOTESNone.
Check the condition of the coolant pump relay mounting connector on the engine fuse box (see Wiring Diagram
Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code
597).
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.
Check the conformity of the coolant pump relay (relay removed):
•Insulation between connections 3FB and 3VH of component 573.
• Measure the resistance between connections 3AAZ and 3FB of component 573.
Replace the relay if the resistance of the coolant pump relay is greater than 1 kΩ or less than 6 Ω.
Check the insulation to earth of the following connections:
•3AAZ between components 120 and 573,
•3VH between components 573 and 369.
Check the + 12 V after relay supply to the coolant pump relay on the following connection:
•3FB of component 573.
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.
13B-135
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.: 18, 1C, 20, 24,
26, 28, 54, 58, 5C, 60, 62
DF086
CONTINUED 3
1.DEFNOTESSpecial note:
This fault appears when the computer control section has
overheated.
Check the condition of the coolant pump relay mounting connector on the engine fuse box (see Wiring Diagram
Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code
597).
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.
Check the conformity of the coolant pump relay (relay removed):
•Insulation between connections 3FB and 3VH of component 573.
• Measure the resistance between connections 3AAZ and 3FB of component 573.
Replace the relay if the resistance of the coolant pump relay is greater than 200 Ω or less than 20 Ω.
Check the absence of interference resistance of the following connection:
•3AAZ between components 120 and 573.
Check the + 12 V after relay supply to the coolant pump relay on the following connection:
•3FB of component 573.
Check the + 12 V battery supply to the coolant pump relay on the following connection:
•3FB of component 573.
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, contact the Techline.
13B-136
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
DF091
STOREDVEHICLE SPEED SIGNAL1.DEF: Vehicle speed too high.
NOTESConditions for applying the fault finding procedure to a stored fault:
If the fault is declared present after a road test.
Special notes:
– the vehicle speed signal sent by the ABS computer to the injection computer is
greater than the threshold defined in the calibration,
–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.
Check the condition of the ABS computer connector (see Wiring Diagram Technical Note, Laguna II ph2, Vel
Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 1094).
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 there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Run complete fault finding on the ABS computer (see 38C, Anti-lock braking system).
Run complete fault finding on the multiplex network (see 88B, Multiplexing).
If the fault is still present, contact the Techline.
EDC16CP33_V18_DF091M / EDC16CP33_V1C_DF091M / EDC16CP33_V54_DF091M / EDC16CP33_V20_DF091M /
EDC16CP33_V58_DF091M / EDC16CP33_V5C_DF091M / EDC16CP33_V24_DF091M / EDC16CP33_V04_DF091M /
EDC16CP33_V08_DF091M / EDC16CP33_V44_DF091M / EDC16CP33_V4C_DF091M / EDC16CP33_V34_DF091M /
EDC16CP33_V38_DF091M / EDC16CP33_V74_DF091M / EDC16CP33_V28_DF091M / EDC16CP33_V62_DF091M /
EDC16CP33_V26_DF091M / EDC16CP33_V60_DF091M