13B-110
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
DF052
CONTINUED
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,
•3KX between components 120 and 194,
•3CS between components 120 and 194,
•3KY between components 120 and 195,
•3CT between components 120 and 195,
•3KZ between components 120 and 196,
•3CU between components 120 and 196.
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
•3KX of component 194
•3CS of component 194
•3KY of component 195
•3CT of component 195
•
3KZ of component 196
•3CU of component 196.
If the check is not correct, replace the faulty injector(s) (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-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.
13B-118
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
DF056
CONTINUED 3
1.DEFNOTESNone.
Check the condition of the air flowmeter connector (see Wiring Diagram Technical Note, Laguna II ph2, Vel
Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 799).
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 for continuity and absence of interference resistance of the following connections:
•3DV between components 120 and 799,
•3KJ between components 120 and 799,
•3DW between components 120 and 799.
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 the condition of the flowmeter: no visible damage to the sensing element of the flowmeter.
Use the Monitool application: MT001 Turbocharging function to check the entire air line (for Vdiag 04 and 44).
If the fault is still present, replace the air flowmeter.
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
13B-144
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$073.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF120
CONTINUED
Check the continuity, insulation from + 12 V and absence of interference resistance of the following
connections:
•3BG between components 120 and 149,
•3BL between components 120 and 149.
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 engine speed sensor.
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
13B-149
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$073.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF165
CONTINUED
Measure the resistance between connections 3LU and 3LV of component 921.
If the accelerator pedal sensor resistance is not between: 1 kΩ < X < 2.4 kΩ or 385.97 kΩ < X < 388.03 kΩ
(M9R721), replace the sensor.
Check the continuity and absence of interference resistance of the following connections:
•3LR between components 120 and 921.
•3LS between components 120 and 921.
•3LT between components 120 and 921.
•3LU between components 120 and 921.
•3LW between components 120 and 921.
•3LV between components 120 and 921.
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.
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
13B-154
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$073.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF196
CONTINUED 3
Measure the resistance between connections 3LT and 3LR of component 921.
If the resistance of the pedal sensor gang 1 is less than 500 Ω or greater than 2 kΩ, replace the sensor.
Measure the resistance between connections 3LT and 3LS of component 921.
If the resistance of the pedal sensor gang 1 is less than 500 Ω or greater than 10 kΩ, replace the sensor.
Measure the resistance between connections 3LU and 3LV of component 921.
If the resistance of the pedal sensor gang 1 is less than 500 Ω or greater than 3 kΩ, replace the sensor.
Measure the resistance between connections 3LV and 3LW of component 921.
If the resistance of the pedal sensor gang 1 is less than 500 Ω or greater than 10 kΩ, replace the sensor.
Check for continuity and absence of interference resistance of the following connections:
•3LR between components 120 and 921,
•3LS between components 120 and 921,
•3LT between components 120
and 921,
•3LU between components 120 and 921,
•3LW between components 120 and 921,
•3LV between components 120 and 921.
Check the insulation between the following connections:
•3LS between components 120 and 921,
•3LW between components 120 and 921.
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, vary the pedal position and refer to the interpretation of PR030 Accelerator pedal
position to check the operating values of the accelerator pedal sensor.
If the values displayed are inconsistent, replace the accelerator pedal sensor.
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74