13B-70
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
DF047
CONTINUED
Check the connection and condition of the injection computer, 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.
Check the insulation, continuity and the absence of interference resistance on the following connections:
●AP15 or AP29 between components 120 and 1016 or 260,
●N or NH between component 120 and earth,
●3FB or 3FB2 between components 120 and 983.
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.
13B-71
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
DF049
PRESENT
OR
STOREDREFRIGERANT SENSOR CIRCUIT
CO.1: Open circuit or short circuit to + 12 V
CC.0: Short circuit to earth
NOTESConditions for applying the fault finding procedure to a stored fault:
Apply the fault finding procedure below if the fault is present or stored.
Priority when dealing with a number of faults:
– DF113 Sensor supply voltage.
Special notes:
Use the Wiring Diagrams Technical Note for Logan, Sandero, Duster, Thalia 2/
Symbol 2 or Kangoo VLL.
Display PR037 Refrigerant pressure; if the value is less than 2 bar, top up the refrigerant fluid (see MR 388
(Logan/Sandero), MR 423 (Thalia 2/Symbol 2), MR 451 (Duster), or MR 374 (Kangoo VLL), Mechanical, 62A,
Air conditioning, Refrigerant circuit: Draining – Filling).
Move the wiring harness between the injection computer, component code 120 and the refrigerant pressure
sensor, component code 1202 to see if the status changes (present
stored).
Look for any damage to the wiring and check the condition and connection of the refrigerant pressure sensor and
its connections.
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.
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_DF049
13B-73
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
DF050
PRESENT
OR
STOREDBRAKE SWITCH CIRCUIT
CO.0: Open circuit or short circuit to earth
1.DEF: No signal
NOTESSpecial notes:
The fault is declared present when decelerating, when the brake pedal is depressed.
Use the Wiring Diagrams Technical Note for Logan, Sandero, Duster, Thalia 2/
Symbol 2 or Kangoo VLL.
Conditions for applying the fault finding procedure to a stored fault:
Apply the fault finding procedure below if the fault is present or stored.
Check that brake switch works correctly by displaying ET039 Brake pedal.
Check the connection and condition of the brake light switch connector, component code160.
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.
Check for + 12 V on the supply of the brake light switch on connections AP1 or AP10.
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.
Check the insulation, continuity and the absence of interference resistance on the following connections:
●65A between components 120 and 160,
●AP1 or AP10 between components 160 and 1016 or 260.
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.
DCM1.2_V08_DF050
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-76
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
DF053
PRESENT
OR
STOREDRAIL PRESSURE REGULATION FUNCTION
1.DEF: At minimum stop
2.DEF: At maximum stop
3.DEF: Below minimum threshold
4.DEF: Above maximum threshold
5.DEF: High flow current < minimum
6.DEF: High flow current > maximum
7.DEF: Low flow current < minimum
8.DEF: Low flow current > maximum
NOTESSpecial notes:
If fault DF053 is present: the engine may stop and illumination of the level 2 fault
warning light with the message Injection fault displayed on the instrument panel.
Priorities when dealing with a number of faults:
– DF098 Fuel temperature sensor circuit
– DF007 Rail pressure sensor circuit.
Use the Wiring Diagrams Technical Note for Logan, Sandero, Duster, Thalia 2/
Symbol 2 or Kangoo VLL.
Conditions for applying the fault finding procedure to a stored fault:
The fault is considered present when the engine is running.
4.DEF
6.DEF
8.DEF
NOTESNone.
Check the connection and condition of the flow actuator connector, component code 1105.
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.
DCM1.2_V08_DF053
13B-79
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
DF056
PRESENT
OR
STOREDAIR FLOW SENSOR CIRCUIT1.DEF: Permanent low level
2.DEF: Permanent high level
3.DEF: At maximum limit
4.DEF: At minimum limit
NOTESPriorities when dealing with a number of faults:
– DF089 Inlet manifold pressure sensor circuit.
Special notes:
If fault DF056 is present: air flow regulation stops and the EGR valve is closed.
Use the Wiring Diagrams Technical Note for Logan, Sandero, Duster, Thalia 2/
Symbol 2 or Kangoo VLL.
Check the condition of the air filter, replace the air filter if necessary (see MR388 (Logan/Sandero), MR423 (Thalia
2 / Symbol 2) or MR451 (Duster), Mechanical, 12A Fuel mixture, Air filter: Removal – Refitting).
Check that the inlet manifold is not obstructed (clogged).
Run TEST 5 Inlet circuit check.
Run TEST 11 Air line at the turbocharger
Check the connection and condition of the air flowmeter connector, component code 799.
Check the 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.
Check for + 12 V after ignition feed on connection 3FB (or 3FBA) of the connector of the air flowmeter,
component code 799.
Check for + 5 V on connection 3KJ of the connector of the air flowmeter, component code 799.
Check the earth on connection NH on the connector of the air flowmeter, component code 799.
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_DF056
13B-81
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
DF057
PRESENT
OR
STOREDWATER IN DIESEL FUEL DETECTOR CIRCUIT
CO.1: Open circuit or short circuit to + 12 V
CC.0: Short circuit to earth
1.DEF: Above maximum threshold
NOTESSpecial note:
If fault DF057 is present, the level 1 warning light is lit.
Use the Wiring Diagrams Technical Note for Logan, Sandero, Duster, Thalia 2/
Symbol 2 or Kangoo VLL.
Check for the presence of water in the diesel filter; if water is present, bleed the diesel filter.
If there is a great amount of water, run the first part of Test 13: Diesel fuel conformity check (Is the fuel cloudy
or does it separate into 2 parts?)
Check the connection and condition of the connector of the water in diesel fuel sensor, component code 414.
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.
Check for a voltage between 13V and 14V (with the engine running) and between 11.5 V and 12.5 V (with the
ignition on and engine stopped) on connection 3FB (or 3FB2, or 3FBA) on the connector of the water in diesel
fuel sensor.
If the connection 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 wiring, otherwise
replace it.
Check the insulation and continuity of the following connections:
●3WT between components 120 and 414,
●M (or 3WU) between components 120 and 414,
●3FB (or 3FB2 or 3FBA) between components 414 and 983.
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, replace the water in diesel fuel sensor.
If the fault is still present, contact the Techline.
DCM1.2_V08_DF057
13B-82
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
DF059
PRESENT
OR
STOREDCOMBUSTION MISFIRES ON CYLINDER 1
NOTESSpecial notes:
If the fault DF059 is present, the engine speed is maintained at 1000 rpm, engine
performance reduced to 75% and the level 2 warning light comes on.
Conditions for applying the fault finding procedure to a stored fault:
The fault is present with the engine idling.
Priority when dealing with a number of faults:
– DF026 Cylinder 1 injector circuit control (CC or CO).
– DF053 Rail pressure regulation function (1.DEF, 2.DEF, 7.DEF).
Check the presence and conformity of the fuel. Run test 13: Diesel fuel conformity check.
Run test 3 Injector check.
Check the engine compression.
Check the valve clearances and adjust them if necessary.
Check the inlet ducts, as well as the EGR valve, and clean them if necessary (see Technical Note 3916 Cleaning
the EGR solenoid valve).
If the fault is still present, replace the 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).
If the fault is still present, contact the Techline.
DCM1.2_V08_DF059