RENAULT SCENIC 2010 J95 / 3.G Engine And Pheripherals DCM 1.2 Injection Workshop Manual

13B-101
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V10 MR-372-J84-13B100$110.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
DF113
CONTINUED
Check the insulation, continuity and the absence of interference resistance of the following connections:
–38Y between components 1202 and 120,
–3LQ, between components 1071 and 120,
–3LX between components 1032 and 120,
–3LR between components 921 and 120,
–3LU between components 921 and 120,
–3GC between components 1460 and 120,
–3KJ between components 799 and 120 (vehicle with flowmeter),
–3B between components 245 and 120 (K9K 740 engine).
If the connection(s) are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring
repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.

13B-102
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V10 MR-372-J84-13B100$110.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
DF114
PRESENT
OR
STOREDEGR SOLENOID VALVE CIRCUIT1.DEF: At minimum limit
2.DEF: At maximum limit
3.DEF: Inconsistency
4.DEF: Valve jammed
5.DEF: Valve clogged
NOTESPriority when dealing with a number of faults:
–DF113 Sensor supply voltage.
Special notes:
If fault DF114 is present: unstable engine speed and even stalling. Starting difficult
or even impossible when cold, smoke emissions and loss of performance possible. On
status 4.DEF, the level 1 warning light illuminates with the message Faulty injection
displayed on the instrument panel.
Conditions for applying fault finding procedures to stored faults:
The fault is present with the engine running.
See Technical Note Wiring Diagrams of the vehicle concerned.
K9K 766, 768, 724, 740, 800, 802, and 812 ENGINES (Euro 4):
Check the connection and condition of the EGR valve connector, component code 1460.
Check the connection and condition of connector B (brown 48-track) of the injection computer, component
code120.
If the connector(s) is 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 insulation and continuity of the following connections:
–3VP between components 1460 and 120,
–3VQ between components 1460 and 120.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.
Check for +5 V on connection 3GC of component 1460.
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 the wiring.
DCM1.2_V48_DF114/DCM1.2_V4C_DF114/DCM1.2_V50_DF114/DCM1.2_V54_DF114/DCM1.2_V58_DF114/DCM1.2_V5C_DF114

13B-103
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V10 MR-372-J84-13B100$110.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
DF114
CONTINUED 1
Check the resistance of the EGR valve:
–with the engine stopped, the EGR valve will be closed (unless there is a fault),
–wait for the ambient temperature around the valve to stabilise (approximately 20
°C),
–measure the resistance between connections 3VP and 3VQ of component 1460. The resistance should be
between 0.5 ΩΩ Ω Ω
< R < 50 Ω (while running command AC002 EGR solenoid valve).
If the value is not correct, replace the EGR valve, component code 1460 (see MR 364 (Mégane II), MR 370
(Scénic II), MR 385 (Modus), MR 392 (Clio III), MR 411 (New Twingo), MR 417 (Kangoo 2), Mechanical, 14A,
Emission control, Exhaust gas recirculation solenoid valve: Removal - Refitting).
After replacing the EGR valve, use command RZ002 EGR adaptives to reinitialise the EGR valve offsets.
Also if a 3.DEF, 4.DEF, or 5.DEF fault is present:
–Remove the EGR valve.
–Check that there are no foreign bodies (scale, etc.) that could jam the valve.
–Remove the foreign matter and clean the EGR valve (see Technical Note 3916A, Cleaning the EGR solenoid
valve).
–Refit the EGR valve.
–use command RZ002 EGR adaptives to reinitialise the EGR valve offsets.
–Clear the faults from the computer memory. Carry out a road test followed by another check with the diagnostic
tool.
If the fault is still present, contact the Techline.

13B-104
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V10 MR-372-J84-13B100$110.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
DF114
CONTINUED 2
K9K 750 and 752 ENGINES (Euro 3):
Check the connection and condition of the EGR valve connector, component code 1460.
Check the connection and condition of connector B (brown 48-track) of the injection computer, component
code 120.
If the connector(s) is 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 insulation and continuity of the following connections:
–122B between components 1460 and 120,
–3FB2 between components 1460 and 1337.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.
Check for + 12 V on connection 3GC of component 1460.
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 the wiring.
Check the resistance of the EGR valve, component code 1460:
–with the engine stopped, the exhaust gas recirculation valve will be closed (unless there is a fault),
–wait for the ambient temperature around the valve to stabilise (approximately 20
°C),
–measure the resistance between connections 3FB2 and 122B. The resistance must be between 7.5 ΩΩ Ω Ω
< R
< 8.5 ΩΩ Ω Ω
(at 20
°C),
–measure the resistance between connections 3GC and 3JM. The resistance must be between 2.4 kΩΩ Ω Ω
< R
< 5.6 kΩΩ Ω Ω
(at 20
°C),
–measure the resistance between connections 3JM and 3EL. The resistance must be between 800 ΩΩ Ω Ω

<< < <

R
<< < <

3.6 kΩΩ Ω Ω
(at 20
°C).
If the value is not correct, replace the EGR valve, component code 1460 (see MR 364 (Mégane II), MR 370
(Scénic II), MR 385 (Modus), MR 392 (Clio III), MR 411 (New Twingo), MR 417 (Kangoo 2), Mechanical, 14A,
Emission control, Exhaust gas recirculation solenoid valve: Removal - Refitting).
After replacing the EGR valve, use command RZ002 EGR adaptives to reinitialise the EGR valve offsets.

13B-105
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V10 MR-372-J84-13B100$110.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
DF114
CONTINUED 3
Also if a 3.DEF, 4.DEF, or 5.DEF fault is present:
–Remove the EGR valve.
–Check that there are no foreign bodies (scale, etc.) that could jam the valve.
–Remove the foreign matter and clean the EGR valve (see Technical Note 3916A, Cleaning the EGR solenoid
valve).
–Refit the EGR valve.
–use command RZ002 EGR adaptives to reinitialise the EGR valve offsets.
–Clear the faults from the computer memory. Carry out a road test followed by another check with the diagnostic
tool.
If the fault is still present, contact the Techline.

13B-106
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V10 MR-372-J84-13B100$120.mif
13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
DF121
PRESENT OR
STOREDACCELEROMETER CIRCUIT1.DEF: No signal
NOTESPriority when dealing with a number of faults:
If there is a combination of the following faults:
–DF121 Accelerometer sensor circuit,
–DF001 Coolant temperature sensor circuit,
–DF002 Air temperature sensor circuit,
–DF003 Atmospheric pressure sensor circuit,
–DF098 Fuel temperature sensor 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,
Deal first with faults DF026, DF027, DF028, and DF029 (1.DEF - 2.DEF).
A fault on these sensors could lead to incorrect fault finding on the accelerometer.
Conditions for applying the fault finding procedure to a stored fault:
The fault is present with the engine running.
See Technical Note Wiring Diagrams of the vehicle concerned
Check the conformity of the injectors fitted to the vehicle in relation to the type of vehicle and engine number
(low, high or very high pressure injector).
Check the connection and condition of the accelerometer connector, component code 146.
Check the connection and condition of connector B (brown 48-track) of the injection computer, component
code 120 and the sensor shielding on connection TB1.
If the connector(s) is 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 insulation and continuity of the following connections:
–3DQ between components 146 and 120,
–3S between components 146 and 120.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.
DCM1.2_V48_DF121/DCM1.2_V4C_DF121/DCM1.2_V50_DF121/DCM1.2_V54_DF121/DCM1.2_V58_DF121/DCM1.2_V5C_DF121
DIESEL INJECTION
Fault finding – Interpretation of faults

13B-107
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V10 MR-372-J84-13B100$120.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
C2I*: Individual injector correction
DF121
CONTINUED
Check that the C2I* is entered correctly in the computer.
Check that the accelerometer is secured on the engine, component code 146 (see MR 364 (Mégane II), MR 370
(Scénic II), MR 385 (Modus), MR 392 (Clio III), MR 411 (New Twingo), MR 417 (Kangoo 2), Mechanical, 13B,
Diesel injection, Accelerometer: Removal - Refitting).
Disconnect and reconnect the accelerometer sensor to accomplish fast programming.
Carry out a road test followed by another check with the diagnostic tool.
If the fault is still present, replace the accelerometer, component code 146 (see MR 364 (Mégane II), MR 370
(Scénic II), MR 385 (Modus), MR 392 (Clio III), MR 411 (New Twingo), MR 417 (Kangoo 2), Mechanical, 13B,
Diesel injection, Accelerometer: Removal - Refitting).
If the fault is still present, contact the Techline.

13B-108
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V10 MR-372-J84-13B100$120.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
DF122
PRESENT OR
STOREDPEDAL POTENTIOMETER GANG 2 SUPPLY VOLTAGECO.1: open circuit or short circuit to +12 V.
CC.0: short circuit to earth.
NOTESSpecial notes:
If fault DF122 is present: the idle speed is locked at 1000 rpm, the engine performance
is reduced to 75%, and the level 1 warning light illuminates with the message
Check injection displayed on the instrument panel.
See Technical Note Wiring Diagrams of the vehicle concerned
CC.0
NOTESNone.
Check the connection and condition of the pedal potentiometer connector, component code 921.
Check the connection and condition of connector A (black 32-track) of the injection computer, component
code 120.
If the connector(s) is 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.
Run test 14 Accelerator pedal check.
Check for earth on connection 3LV of component 921.
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.
Check the insulation and continuity of the following connection:
–3LU between components 921 and 120.
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.
Disconnect connector A of the injection computer and the connector of the pedal potentiometer, component
code 921.
Check the insulation against earth of connection 3LU of component 120.
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.
DCM1.2_V48_DF122/DCM1.2_V4C_DF122/DCM1.2_V50_DF122/DCM1.2_V54_DF122/DCM1.2_V58_DF122/DCM1.2_V5C_DF122

13B-109
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V10 MR-372-J84-13B100$120.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
DF122
CONTINUED
CO.1NOTESNone.
Check the connection and condition of the pedal potentiometer connector, component code 921.
Check the connection and condition of connector A (black 32-track) of the injection computer, component
code 120.
If the connector(s) is 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 connections 3LV and 3LU of component 921.
If the pedal potentiometer resistance is not between 0.35 KΩ and 5.35 KΩ, replace the pedal potentiometer,
component code 921 (see MR 364 (Mégane II), MR 370 (Scénic II), MR 385 (Modus), MR 392 (Clio III), MR 411
(New Twingo), MR 417 (Kangoo 2), Mechanical, 13B, Diesel injection, Accelerator pedal potentiometer:
Removal - Refitting).
Check for +5 V on connection 3LU of component 921.
Check for earth on connection 3LV of component 921.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.
Disconnect connector A of the injection computer and the pedal potentiometer connector.
–Check the insulation of connections 3LU and 3LV of component 120.
–Check the insulation against +12 V of connection 3LU of component 120.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.
Check the insulation and continuity of the following connections:
–3LU between components 921 and 120,
–3LV between components 921 and 120.
If the connection or connections are faulty and there is a repair procedure (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 pedal potentiometer, component code 921 (see MR 364 (Mégane II),
MR 370 (Scénic II), MR 385 (Modus), MR 392 (Clio III), MR 411 (New Twingo), MR 417 (Kangoo 2),
Mechanical, 13B, Diesel injection, Accelerator pedal potentiometer: Removal - Refitting).
If the fault is still present, contact the Techline.

13B-110
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V10 MR-372-J84-13B100$120.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
DF130
PRESENT OR
STOREDFLOW CAPACITY FUNCTION1.DEF: High flow current < minimum
2.DEF: High flow current > maximum
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is present with the engine running.
Special notes:
If fault DF130 is present: the engine may stop with the level 2 warning light illuminated
and the message Faulty injection displayed on the instrument panel.
See Technical Note Wiring Diagrams of the vehicle concerned
Check the connection and condition of the flow actuator (IMV) connector, component code 1105.
Check the connection and condition of connector B (brown 48-track) of the injection computer, component
code 120.
If the connector(s) are faulty and there is a repair procedure (see Technical Note 6015A, Repairing electrical
wiring, Wiring: Precautions for repair) repair the connector(s), otherwise replace the wiring.
Check the insulation and continuity of the following connection:
–3HI between components 1105 and 120.
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.
Measure the resistance between connections 3HI and 3FB1 or 3FB2 (for New Twingo) or 3FB3 (for Kangoo 2) of
component 1105.
If the resistance of the flow actuator is not between 4.8 Ω and 5.8 Ω at 20
°C, replace the flow actuator, component
code 1105 (see MR 364 (Mégane II), MR 370 (Scénic II), MR 385 (Modus), MR 392 (Clio III), MR 411 (New
Twingo), MR 417 (Kangoo 2), Mechanical, 13B, Diesel injection, Flow actuator: Removal - Refitting).
Check the presence and conformity of the fuel in the tank. Run Test 13: Diesel fuel conformity check.
Run Test 1 Low pressure circuit check and repair if necessary.
Run Test 6: High pressure system check.
If the fault is still present, contact the Techline.
DCM1.2_V48_DF130/DCM1.2_V4C_DF130/DCM1.2_V50_DF130/DCM1.2_V54_DF130/DCM1.2_V58_DF130/DCM1.2_V5C_DF130