2011 RENAULT SCENIC Engine And Peripherals Workshop Manual

13B-57
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.
V4 MR-372-J84-13B000$061.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DDCR INJECTION
Vdiag No.: 44, 48
DF052
CONTINUEDINJECTORS CONTROL CIRCUITCC.1: Short circuit to +12 volts.
CC.0: Short circuit to earth.
DF052
storedInjector(s) defective.
Replace the injector identified by DF026 to DF029 if present.
If none of the faults identifying the defective injector circuit are present:
– Switch off the ignition.
– Reconnect one of the four injectors.
– Switch the ignition back on and, if the fault reappears as present, replace the
reconnected injector.
Carry out the same procedure for the remaining injectors.

13B-58
AFTER REPAIRDeal with any faults declared by the diagnostic tool. Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$062.mif
13B
DDCR INJECTION
Vdiag No.: 44, 48
DF053
STOREDRAIL PRESSURE REGULATION FUNCTION
1.DEF: At minimum limit
2.DEF: At maximum limit
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 > minimum
NOTESSpecial notes:
If DF053, the engine may stop, with the level 1 and 2 warning lights illuminated along
with the message Faulty injection.
Priority when dealing with a number of faults:
– DF007 Rail pressure sensor circuit,
– DF098. Fuel temperature sensor circuit.
Conditions for applying fault finding procedures to stored faults:
The fault is present with the engine running.
4.DEF
6.DEF
8.DEF
NOTESNone.
Check the connection and condition of the fuel flow actuator connector (brown IMV connector on the pump).
Repair if necessary.
Measure the resistance between tracks 1 and 2 of the flow actuator.
Replace the flow actuator if the resistance is not 5.3 Ω +
0.5 Ω at 20°C.
Check the connection and condition of the computer 48-track brown connector B.
Repair if necessary.
Check the insulation, continuity, and the absence of interference resistance on the following connection:
Computer connector B track M4 Track 1 fuel flow actuator
Repair if necessary.
Check that there is fuel present in the tank and that it is correct. Run Test 13 Diesel fuel conformity check.
Run Test 1 Low pressure circuit check.
DDCR_V44_DF053M/DDCR_V48_DF053M
DIESEL INJECTION
Fault finding – Interpretation of faults

13B-59
AFTER REPAIRDeal with any faults declared by the diagnostic tool. Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$062.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DDCR INJECTION
Vdiag No.: 44, 48
DF053
CONTINUED
1.DEF - 2.DEF
3.DEF - 5.DEF
7.DEF
NOTESNone.
Check that there is fuel present in the tank and that it is correct. Run Test 13 Diesel fuel conformity check.
Run Test 1 Low pressure circuit check.
Run Test 6 High pressure system check.

13B-60
AFTER REPAIRDeal with any faults declared by the diagnostic tool. Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$062.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DDCR INJECTION
Vdiag No.: 44, 48
DF054
STOREDTURBOCHARGING SOLENOID VALVE CONTROL CIRCUITCO.0: Open circuit or short circuit to earth
CC.1: Short circuit to +12 volts
1.DEF: At minimum limit
2.DEF: At maximum limit
NOTESSpecial notes:
If DF054, the performance of the vehicle is adversely affected and the level 1 warning
light illuminates along with the message Faulty injection.
Check the condition of the air filter, and replace it if necessary.
Check that the inlet manifold is not blocked (clogged).
Check that the turbocharger is working properly, and carry out any necessary repairs.
Check the connection and condition of the 2-track connector of the turbocharging solenoid valve.
Repair if necessary.
Check for +12 V on track 2 of the solenoid valve.
Repair if necessary.
Check the connection and condition of the computer 48-track brown connector B.
Repair if necessary.
Check the continuity, insulation, and the absence of interference resistance on the following connections:
Solenoid valve connector track 2 + after ignition feed
Solenoid valve connector track 1 Track M2 computer connector B
Repair if necessary.
Run TEST 11 Air line at the turbocharger.
Run TEST 10 Turbocharger control solenoid valve check.
Run TEST 12 Turbocharger.
If the fault persists, replace the turbocharging solenoid valve.
DDCR_V44_DF054M/DDCR_V48_DF054M

13B-61
AFTER REPAIRDeal with any faults declared by the diagnostic tool. Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$062.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DDCR INJECTION
Vdiag No.: 44, 48
DF056
PRESENT
OR
STOREDAIR FLOW SENSOR CIRCUIT1.DEF: Permanent low level
2.DEF: Permanent high signal
3.DEF: Below minimum threshold
4.DEF: Above maximum threshold
5.DEF: At minimum limit
6.DEF: At maximum limit
NOTESPriority when dealing with a number of faults:
– DF054 Turbocharging solenoid valve control circuit.
– DF113 Sensor supply voltage.
Conditions for applying fault finding procedures to stored faults:
the fault reappears after the faults have been cleared followed by a road test.
Check the condition of the air filter, and replace it if necessary.
Check that the inlet manifold is not blocked (clogged).
Check that the turbocharger is working properly.
Run TEST 11 Air line at the turbocharger.
Run TEST 10 Turbocharger control solenoid valve check.
Run TEST 12 Turbocharger.
Carry out the necessary repairs.
Check the connection and condition of the 6-track connector of the air flow sensor.
Repair if necessary.
Check for +5 V after ignition feed on track 3 of the sensor connector.
Repair if necessary.
Check for +12 V on track 4 of the sensor connector.
Repair if necessary.
Check for earth on connector track 6.
Repair if necessary.
Check the connection and condition of the computer 48-track brown connector B.
Repair if necessary.
DDCR_V44_DF056/DDCR_V48_DF056

13B-62
AFTER REPAIRDeal with any faults declared by the diagnostic tool. Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$062.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DDCR INJECTION
Vdiag No.: 44, 48
DF056
CONTINUED
Check the insulation, continuity and the absence of interference resistance on the following connections:
Sensor connector track 1 Track K2 computer connector B
Sensor connector track 2 Track A3 computer connector B
Sensor connector track 3 Track A1 computer connector B
Sensor connector track 4 Track A2 computer connector B
Sensor connector track 5 + after ignition feed
Sensor connector track 6Earth
Repair if necessary.
Also check the insulation between these connections.
If the fault is still present, replace the air flow sensor.

13B-63
AFTER REPAIRDeal with any faults declared by the diagnostic tool. Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$062.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DDCR INJECTION
Vdiag No.: 44, 48
DF057
STOREDWATER IN DIESEL FUEL DETECTOR CIRCUITCO.1: Open circuit or short circuit to +12 volts
CC.0: Short circuit to earth
1.DEF: Above maximum threshold (water present)
NOTESConditions for applying fault finding procedures to stored faults:
The fault is present with the engine running.
The level 1 warning light illuminates along with the message Check diesel filter.
CO.1
CC.0
NOTESNone.
Check for water in the diesel filter. Clean and replace the filter if necessary.
Check the condition and connection of the 3-track connector of the water detector.
Repair if necessary.
Check the connection and condition of the grey 32-track connector C of the computer.
Repair if necessary.
Check the insulation, continuity and the absence of interference resistance on the following connections:
Sensor connector track 3 Earth
Sensor connector track 2 Track B3 computer connector C
Sensor connector track 1 Track A3 computer connector B
Repair if necessary.
1.DEF
NOTESNone.
Bleed the diesel filter.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
DDCR_V44_DF057M/DDCR_V48_DF057M

13B-64
AFTER REPAIRDeal with any faults declared by the diagnostic tool. Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$062.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DDCR INJECTION
Vdiag No.: 44, 48
DF059
STOREDCOMBUSTION MISFIRES ON CYLINDER 1
NOTESSpecial notes:
If DF059, the engine speed is maintained at 1000 rpm, the engine performance is
reduced to 75%, and the level 1 warning light illuminates along with the message
Faulty injection.
Conditions for applying fault finding procedures to stored faults:
The fault is present with the engine idling.
Priority when dealing with a number of faults:
– DF026 Cylinder 1 injector control circuit (CC or CO).
– DF053 Pressure regulation.
Run TEST 13 Diesel fuel conformity check.
Run TEST 3 Injector check.
Check the engine compression.
Repair if necessary.
Check the valve clearance and adjust if necessary.
Check the inlet ducts and the EGR valve, and clean them if necessary.
Replace the injector.
DDCR_V44_DF059M/DDCR_V48_DF059M