
13B-59
AFTER REPAIRDeal with any faults declared by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
V1 MR-376-X76-13B000$071.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
DF028
CONTINUED
YESInjector 3 is not faulty, fault on injector 3 control circuit.
Check the continuity, insulation, and the absence of interference resistance on the
following connections:
●3LB between components 120 and 195,
●3KY between components 120 and 195.
If the connection(s) are faulty and if there is a repair procedure (see Technical Note 6015A
(Renault) or Technical Note 9804A (Dacia), Repairing electrical wiring, Wiring:
Precautions for repair), repair the wiring, otherwise replace it.
If the fault is still present, contact the Techline.
NOInjector 3 is faulty; replace the cylinder 3 injector (see MR 388 (Logan/Sandero), MR
451 (Duster), MR 423 (Thalia 2/Symbol 2) or MR 374 (Kangoo VLL), Mechanical,
13B, Diesel injection, Diesel injector: Removal – Refitting).
1.DEF
2.DEF
NOTESNone.
Check the conformity of the injectors fitted to the vehicle in relation to the vehicle type and engine number (low,
high or very high pressure injector).
Check that the C2I is correctly entered on the computer.
Check the accelerometer shielding on connection TB1 of the injection computer connector, component code 120.
Check that the accelerometer is secured on the engine.
After retightening the accelerometer, be sure to clear the pressure regulation adaptives using command RZ004
Pressure regulation adaptives.
Disconnect and reconnect the accelerometer sensor to accomplish fast programming.
If the fault is still present, replace the cylinder 3 injector, component code 195 (see MR 388 (Logan/Sandero), MR
451 (Duster), MR 423 (Thalia 2/Symbol 2) or MR 374 (Kangoo VLL), Mechanical, 13B, Diesel injection, Diesel
Injector: Removal – Refitting).

13B-60
AFTER REPAIRDeal with any faults declared by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
V1 MR-376-X76-13B000$071.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
DF029
PRESENT
OR
STOREDCYLINDER 4 INJECTOR CONTROL CIRCUITCO: Open circuit
CC: Short circuit
1.DEF: At minimum stop
2.DEF: At maximum stop
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is present with the engine idling.
Special notes:
When this fault appears, the idle speed is locked at 1000 rpm, there is engine noise,
unsteady engine speed, engine performance reduced to 75% and the level 1 warning
light comes on until the next time the ignition is switched off.
Use the Wiring Diagrams Technical Note for Logan, Sandero, Duster, Thalia 2/
Symbol 2 or Kangoo VLL.
CO
CC
NOTESNone.
Switch off the ignition and wait 15 seconds.
Check the connection and condition of the injector 4 connector, component code 196.
Check the connection and condition of the injection computer connector, component code 120.
If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A (Renault) or Technical
Note 9804A (Dacia), Electrical wiring repair, Wiring: Precautions for repair), repair the connectors, otherwise
replace the wiring.
Run command AC008 Cylinder 4 injector.
If injector 4 cannot be heard operating five times in a cycle, connect the wire of the cylinder 3 injector to the cylinder
4 injector and use command AC007 Cylinder 3 injector.
Does this injector actuation cycle work?
Note:
If the wires cannot be swapped, continue the procedure by replying YES to the previous question.
DCM1.2_V08_DF029

13B-61
AFTER REPAIRDeal with any faults declared by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
V1 MR-376-X76-13B000$071.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
DF029
CONTINUED
YESInjector 4 is not faulty, fault on injector 4 control circuit.
Check the continuity, insulation, and the absence of interference resistance on the
following connections:
●3LC between components 120 and 196,
●3KZ between components 120 and 196.
If the connection(s) are faulty and if there is a repair procedure (see Technical Note
6015A (Renault) or Technical Note 9804A (Dacia), Repairing electrical wiring,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the fault is still present, contact the Techline.
NOInjector 4 is faulty; replace the cylinder 4 injector, component code 196 (see MR 388
(Logan/Sandero), MR 451 (Duster), MR 423 (Thalia 2/Symbol 2) or MR 374 (Kangoo
VLL), Mechanical, 13B, Diesel injection, Diesel injector: Removal – Refitting).
1.DEF
2.DEF
NOTESNone.
Check the conformity of the injectors fitted to the vehicle in relation to the vehicle type and engine number (low,
high or very high pressure injector).
Check that the C2I is correctly entered on the computer.
Check the accelerometer shielding on connection TB1 of the injection computer connector.
Check that the accelerometer is secured on the engine.
After retightening the accelerometer, be sure to clear the pressure regulation adaptives using command RZ004
Pressure regulation adaptives.
Disconnect and reconnect the accelerometer sensor to accomplish fast programming.
If the fault is still present, replace the cylinder 4 injector, component code 196 (see MR 388 (Logan/Sandero), MR
451 (Duster), MR 423 (Thalia 2/Symbol 2) or MR 374 (Kangoo VLL), Mechanical, 13B, Diesel injection, Diesel
Injector: Removal – Refitting).

13B-66
AFTER
REPAIRDeal with any faults declared by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
V1 MR-376-X76-13B000$072.mif
13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
DF038
PRESENT
OR
STOREDCOMPUTER
1.DEF: Analogue/digital converter
2.DEF: Enter EEPROM memory
3.DEF: Read EEPROM memory
4.DEF: Enter injector codes
5.DEF: Memory self-test
6.DEF: Watchdog activation
7.DEF: Interference on the injector control line
8.DEF: Watchdog not refreshed
NOTESSpecial notes:
When this fault appears, either the engine speed is fixed at 1300 rpm and the level 1
warning light comes on, or the engine stops and the level 2 warning light comes on.
Use the Wiring Diagrams Technical Note for Logan, Sandero, Duster, Thalia 2/
Symbol 2 or Kangoo VLL.
1.DEF - 2.DEF
3.DEF - 5.DEF
6.DEF - 8.DEF
NOTESNone.
Contact the Techline.
4.DEF
7.DEF
NOTESNone.
Check that the individual injector correction (C2I) matches the injectors; if not, enter the C2I (see Configurations
and programming).
Check the connection and condition of the injection computer connector, component code 120.
If the connector is faulty and if there is a repair procedure (see Technical Note 6015A (Renault) or Technical
Note 9804A (Dacia), Electrical wiring repair, Wiring: Precautions for repair), repair the connector, otherwise
replace the wiring.
DCM1.2_V08_DF038
DIESEL INJECTION
Fault finding – Interpretation of faults

13B-74
AFTER
REPAIRDeal with any faults declared by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
V1 MR-376-X76-13B000$072.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
DF052
PRESENT
OR
STOREDINJECTORS CONTROL CIRCUIT
CC.1: Short circuit to + 12 V
CC.0: Short circuit to earth
NOTESPriorities when dealing with a number of faults:
In the event of a combination of faults DF052,
– DF026 Cylinder 1 injector circuit control,
– DF027 Cylinder 2 injector circuit control,
– DF028 Cylinder 3 injector circuit control, and
– DF029 Cylinder 4 injector circuit control.
The fault finding procedure remains the same for DF026 to DF027 which is used to
identify the faulty injector.
Special notes:
When the fault appears, there is engine noise, unstable engine speed, reduced engine
performance and the level 2 warning light comes on.
Use the Wiring Diagrams Technical Note for Logan, Sandero, Duster, Thalia 2/
Symbol 2 or Kangoo VLL.
Switch off the ignition.
Check the condition and connection of the injector connectors, component codes 193, 194, 195 and 196.
Check the connection and condition of the injection computer connector, component code 120.
If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A (Renault) or Technical
Note 9804A (Dacia), Electrical wiring repair, Wiring: Precautions for repair), repair the connector, otherwise
replace the wiring.
Switch off the ignition.
Disconnect the injectors (or the injector identified by DF026, DF027, DF028 and DF029) and switch on the ignition
again.
Using the diagnostic tool, check for changes to DF052.
Is DF052 present or stored?
DCM1.2_V08_DF052

13B-89
AFTER
REPAIRDeal with any faults declared by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
V1 MR-376-X76-13B000$072.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
DF107
PRESENT
OR
STOREDCOMPUTER MEMORY
1.DEF: Enter EEPROM memory
2.DEF: Read EEPROM memory
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is considered present when the engine is running.
Special note:
If fault DF107 is present, the engine stops, restarting is impossible and the level 2
warning light comes on.
Enter the individual injector corrections (C2I) using the diagnostic tool (command SC002 Enter injector codes).
If the fault is still present, contact the Techline.
DCM1.2_V08_DF107

13B-96
AFTER
REPAIRDeal with any faults declared by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
V1 MR-376-X76-13B000$072.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
DF121
PRESENT
OR
STOREDACCELEROMETER CIRCUIT
1.DEF: No signal
NOTESPriorities when dealing with a number of faults:
– DF001 Coolant temperature sensor circuit,
– DF002 Air temperature sensor circuit,
– DF003 Atmospheric pressure sensor circuit,
– DF098 Fuel temperature sensor circuit,
A fault on one of 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 considered present when the engine is running.
Special notes:
Use the Wiring Diagrams Technical Note for Logan, Sandero, Duster, Thalia 2/
Symbol 2 or Kangoo VLL.
Check the conformity of the injectorsfitted to the vehicle in relation to the type of vehicle and engine number (low,
high or very high injector pressure).
Check the connection and condition of the accelerometer connector, component code 146.
Check the connection and condition of the injection computer connector, component code 120 and the shielding
of the sensor on connection TB1.
If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A (Renault) or Technical
Note 9804A (Dacia), Electrical wiring repair, Wiring: Precautions for repair), repair the connector, otherwise
replace the wiring.
Check the insulation, continuity and the absence of interference resistance on the following connections:
●3DQ between components 120 and 146,
●3S between components 120 and 146.
If the connection(s) are faulty and if there is a repair procedure (see Technical Note 6015A (Renault) or
Technical Note 9804A (Dacia), Repairing electrical wiring, Wiring: Precautions for repair), repair the wiring,
otherwise replace it.
DCM1.2_V08_DF121

13B-105
AFTER
REPAIRDeal with any faults declared by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
V1 MR-376-X76-13B000$072.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
DF218
PRESENT
OR
STOREDMICROCONTROLLER
1.DEF: RAM memory defect
2.DEF: Memory self-test
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present with the engine running.
Special note:
If fault DF218 is present, the engine stops, restarting is impossible and the level 2
warning light comes on.
Enter the individual injector corrections (C2I) using the diagnostic tool (command SC002 Enter injector codes).
If the fault is still present, contact the Techline.
DCM1.2_V08_DF218