13B-51
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
DF012
CONTINUED 4
If the voltage returns to normal after the damper valve is disconnected,
Check the insulation to earth of the following connection:
•38KQ between components 120 and 1461.
If, after disconnecting the accelerator pedal sensor, the voltage returns to normal,
Check the insulation to earth of the following connection:
•3LU between components 120 and 921.
If, after disconnecting the EGR valve, the voltage returns to normal,
Check the insulation to earth of the following connection:
• connection code 3GC between components 120 and 1460 or 169.
If the voltage returns to normal after the particle filter differential pressure sensor is disconnected,
Check the insulation against + 12 V of the following connection:
•3AAQ between components 120 and 1290.
If the voltage returns to normal after the refrigerant sensor is disconnected,
Check the insulation against + 12 V of the following connection:
•38Y between components 120 and 1202.
If the voltage returns to normal after the cruise control/speed limiter button is disconnected,
Check the insulation against + 12 V of the following connection:
•86G between components 120 and 689.
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-53
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
DF013
CONTINUED 1
Measure the sensor feed voltage on the following connections:
•3KJ of component 799,
•3LX of component 1032.
If at least one of the two voltages is greater than + 5.1 V, disconnect the sensor connectors one by one.
If, after disconnecting the air flow sensor, the voltage returns to normal,
Check the insulation against + 12 V of the following connection:
•3KJ between components 120 and 799.
If, after disconnecting the rail pressure sensor, the voltage returns to normal,
Check the insulation from + 12 V of the following connection: 3LX between components 120 and 1032.
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-54
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
DF013
CONTINUED 2
2.DEFNOTESNone.
Note:
Supply no. 3 is for the following components:
– air flowmeter, component code 799,
– rail pressure sensor, component code 1032.
Measure the sensor feed voltage on the following connections:
•3KJ of component 799,
•3LX of component 1032.
If at least one of the two voltages is less than 4.9 V, disconnect the sensor connectors one by one.
If, after disconnecting the air flow sensor, the voltage returns to normal,
Check the insulation to earth of the following connection:
•3KJ between components 120 and 799.
If, after disconnecting the rail pressure sensor, the voltage returns to normal,
Check the insulation to earth of the following connection:
•3LX between components 120 and 1032.
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-72
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
DF026
CONTINUED 2
Check for the absence of a short circuit between the earth (injector body) and the following connections using a
multimeter in the ohmmeter setting:
•3KW of component 193
•3CR of component 193.
If the check is not correct, replace injector no. 1, component code 193 (see MR 402 (Vel Satis ph2), MR 395
(Laguna II ph2), MR 364 (Mégane II ph2), MR 370 (Scénic II ph2), MR 405 (Espace IV ph2) Mechanical, 13B
Diesel injection, Diesel injector, Removal - Refitting and consult the section Replacement of components).
If the fault is still present, contact the Techline.
CC
NOTESNone.
Check the condition and connection of the injector no. 1 connectors (see Wiring Diagram Technical Note,
Laguna II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 193).
Check the condition and connection 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.
13B-73
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
DF026
CONTINUED 3
Check the insulation between the following connections:
•3KW between components 120 and 193,
•3CR between components 120 and 193.
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.
Check for the absence of a short circuit between the earth (injector body) and the following connections using
a multimeter in the ohmmeter setting:
•3KW of component 193
•3CR of component 193.
If the check is not correct, replace injector no. 1, component code 193 (see MR 402 (Vel Satis ph2), MR 395
(Laguna II ph2), MR 364 (Mégane II ph2), MR 370 (Scénic II ph2), MR 405 (Espace IV ph2) Mechanical, 13B
Diesel injection, Diesel injector, Removal - Refitting and consult the section Replacement of components).
If the fault is still present, contact the Techline.
13B-74
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
DF026
CONTINUED 4
1.DEFNOTESNone.
Check the condition and connection of the injector no. 1 connectors (see Wiring Diagram Technical Note,
Laguna II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 193).
Check the condition and connection 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, Electrical
wiring repair, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Check the continuity, insulation, and the absence of interference resistance on the following connections:
•3KW between components 120 and 193,
•3CR between components 120 and 193.
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.
Check for the absence of a short circuit between the earth (injector body) and the following connections using
a multimeter in the ohmmeter setting:
•3KW of component 193
•3CR of component 193.
If the check is not correct, replace injector no. 1, component code 193 (see MR 402 (Vel Satis ph2), MR 395
(Laguna II ph2), MR 364 (Mégane II ph2), MR 370 (Scénic II ph2), MR 405 (Espace IV ph2) Mechanical, 13B
Diesel injection, Diesel injector, Removal - Refitting and consult the section Replacement of components).
If the fault is still present, contact the Techline.
13B-77
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
DF027
CONTINUED 2
Check for the absence of a short circuit between the earth (injector body) and the following connections using
a multimeter in the ohmmeter setting:
•3KX of component 194
•3CS of component 194.
If the check is not correct, replace the injector no. 2, component code 194 (see MR 402 (Vel Satis ph2), MR 395
(Laguna II ph2), MR 364 (Mégane II ph2), MR 370 (Scénic II ph2), MR 405 (Espace IV ph2) Mechanical, 13B
Diesel injection, Diesel injector, Removal - Refitting and consult the section Replacement of components).
If the fault is still present, contact the Techline.
CC
NOTESNone.
Check the condition and connection of the injector no. 2 connectors (see Wiring Diagram Technical Note,
Laguna II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 194).
Check the condition and connection 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.
13B-78
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
DF027
CONTINUED 3
Check the insulation between the following two connections:
•3KX between components 120 and 194,
•3CS between components 120 and 194.
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.
Check for the absence of a short circuit between the earth (injector body) and the following connections using
a multimeter in the ohmmeter setting:
•3KX of component 194
•3CS of component 194.
If the check is not correct, replace the injector no. 2, component code 194 (see MR 402 (Vel Satis ph2), MR 395
(Laguna II ph2), MR 364 (Mégane II ph2), MR 370 (Scénic II ph2), MR 405 (Espace IV ph2) Mechanical, 13B
Diesel injection, Diesel injector, Removal - Refitting and consult the section Replacement of components).
If the fault is still present, contact the Techline.