air RENAULT SCENIC 2011 J95 / 3.G Engine And Peripherals Owner's Guide

13B-37
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
DF017
PRESENTPRE-POSTHEATING UNIT CONTROL CIRCUITCO.0: Open circuit or short circuit to earth.
CC.1: Short circuit to +12 volts.
NOTESSpecial notes: If DF017 is present, starting difficult (or impossible when cold). If
CO.0: the plugs are permanently switched on with risk of damage or even engine
failure.
Check the connection and condition of the preheating unit connector.
Repair if necessary.
Check the connection and condition of the computer's 32-track grey connector C.
Repair if necessary.
Check the insulation, continuity and the absence of interference resistance on the following connections:
+12 V after ignition feed Track 3 preheating unit
Computer connector C track D3 Track 9 preheating unit
Computer connector C track F2 Track 8 preheating unit
Repair if necessary
DDCR_V44_DF017P/DDCR_V48_DF017P

13B-38
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
DF024
PRESENTLOW PRESSURE ACTUATOR CONTROL CIRCUIT (IMV)CO.0: Open circuit or short circuit to earth.
CC.1: Short circuit to +12 volts.
NOTESSpecial notes: If fault DF024 with CO.0 or CC.1, the level 1 warning light illuminates
along with the message Faulty injection.
The fuel flow actuator is fully open, there is a clicking, and the engine is stopped
to prevent it from racing.
Check the connection and condition of the fuel flow actuator connector.
Repair if necessary.
Check the connection and condition of the computer 48-track brown connector B.
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 W +
0.5 Ω at 20°C.
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.
DDCR_V44_DF024P/DDCR_V48_DF024p

13B-39
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
DF025
PRESENTPRE-POSTHEATING UNIT DIAGNOSTIC LINE
NOTESSpecial notes: This fault directs the fault finding only with an open circuit.
Check the connection and condition of the preheating unit connector.
Repair if necessary.
Check the connection and condition of the heater plug connectors.
Repair if necessary.
Check the connection and condition of the computer's 32-track grey connector C.
Repair or replace if necessary.
Measure the resistance of each heater plug. The resistance must be less than 2 Ω.
Replace defective plugs.
Check the insulation, continuity and check for absence of interference resistance on the following
connection:
Computer connector C track F2 Track 8 preheating unit
Repair if necessary.
DDCR_V44_DF025P/DDCR_V48_DF025P

13B-40
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
DF026
PRESENT
OR
STOREDCYLINDER 1 INJECTOR CONTROL CIRCUIT
CO: Open circuit.
CC: Short circuit.
1.DEF: At minimum limit
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present with the engine at idle speed.
Special notes: When this fault appears, the idle speed is stuck at 1000 rpm, there is
engine noise, the engine speed is unsteady, the engine performance is reduced, and the
level 1 warning light illuminates along with the message Faulty injection.
CO - CC
NOTESNone.
Switch off the ignition and wait 15 seconds.
Check the connection and condition of the injector connector.
Repair if necessary.
Check the connection and condition of the computer 48-track brown connector B.
Repair if necessary.
Run command AC005 Cylinder 1 injector.
If a cycle of 5 actuations of injector 1 cannot be heard working, connect the cylinder 2 injector wire to the cylinder
1 injector and run command AC006 Cylinder 2 injector.
Does this injector actuation cycle work?
Note:
If the wires cannot be swapped, continue the procedure by replying YES to the previous question.
DDCR_V44_DF026/DDCR_V48_DF026

13B-41
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
DF026
CONTINUED
YES
Injector 1 is not faulty, the fault is in the injector 1 control circuit.
Check the continuity, insulation, and the absence of interference resistance on
the following connections:
Computer connector B track A4 Track 1 injector 1
Computer connector B track B4 Track 2, injector 1
Repair if necessary.
If the fault is still present, contact the Techline.
NOInjector 1 is faulty, replace the cylinder 1 injector.
1.DEF
NOTESNone.
Check the conformity of the injectors fitted to the vehicle in relation to the engine number and type
(low, high or very high pressure injector).
Check that the C2I is correctly entered on the computer.
Check the accelerometer shielding on track K1 of the brown 48-track connector B of the computer.
Check that the accelerometer is secured on the engine.
After retightening the accelerometer, it is essential 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 1 injector.

13B-42
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
DF027
PRESENT
OR
STOREDINJECTOR CYLINDER 2 CONTROL CIRCUIT
CO: Open circuit.
CC: Short circuit.
1.DEF: At minimum limit
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present with the engine idling.
Special notes: When this fault appears, the idle speed is stuck at 1000 rpm, there is
engine noise, the engine speed is unsteady, the engine performance is reduced, and the
level 1 warning light illuminates along with the message Faulty injection.
CO - CC
NOTESNone.
Switch off the ignition and wait 15 seconds.
Check the connection and condition of the injector connector. Repair if necessary.
Check the connection and condition of the computer 48-track brown connector B. Repair if necessary.
Run command AC006 Cylinder 2 injector.
If a cycle of 5 actuations of injector 2 cannot be heard working, connect the cylinder 3 injector wire to the cylinder
2 injector and run 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.
DDCR_V44_DF027/DDCR_V48_DF027

13B-43
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
DF027
CONTINUED
YES
Injector 2 is not faulty, the fault is in the injector 2 control circuit.
Check the continuity, insulation, and the absence of interference resistance on
the following connections:
Computer connector B track G4 Track 1 injector 2
Computer connector B track H4 Track 2, injector 2
Repair if necessary.
If the fault is still present, contact the Techline.
NOInjector 2 is faulty, replace the cylinder 2 injector.
1.DEF
NOTESNone.
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 that the C2I is correctly entered on the computer.
Check the accelerometer shielding on track K1 of the brown 48-track connector B of the computer.
Check that the accelerometer is secured on the engine.
After retightening the accelerometer, it is essential 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 2 injector.

13B-44
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
DF028
PRESENT
OR
STOREDCYLINDER 3 INJECTOR CONTROL CIRCUIT
CO: Open circuit.
CC: Short circuit.
1.DEF: At minimum limit
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 stuck at 1000 rpm, there is
engine noise, the engine speed is unsteady, the engine performance is reduced, and the
level 1 warning light illuminates along with the message Faulty injection.
CO - CC
NOTESNone.
Switch off the ignition and wait 15 seconds.
Check the connection and condition of the injector connector. Repair if necessary.
Check the connection and condition of the computer 48-track brown connector B. Repair if necessary.
Run command AC007 Cylinder 3 injector.
If 5 actuation cycles of injector 3 cannot be heard working, connect the cylinder 4 injector wire to the cylinder 3
injector and use command AC008 Cylinder 4 injector.
Does this injector actuation cycle work?
Note:
If the wires cannot be swapped, continue the procedure by replying YES to the previous question.
DDCR_V44_DF028/DDCR_V48_DF028

13B-45
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
DF028
CONTINUED
YES
Injector 3 is not faulty, the fault is in the injector 3 control circuit.
Check the continuity, insulation, and the absence of interference resistance on
the following connections:
Computer connector B track C4 Track 1 injector 3
Computer connector B track D4 Track 2, injector 3
Repair if necessary.
If the fault is still present, contact the Techline.
NOInjector 3 is faulty, replace the cylinder 3 injector.
1.DEF
NOTESNone.
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 that the C2I is correctly entered on the computer.
Check the accelerometer shielding on track K1 of the brown 48-track connector B of the computer.
Check that the accelerometer is secured on the engine.
After retightening the accelerometer, it is essential 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.

13B-46
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
DF029
PRESENT
OR
STOREDCYLINDER 4 INJECTOR CONTROL CIRCUIT
CO: Open circuit.
CC: Short circuit.
1.DEF: At minimum limit
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present with the engine idling.
Special notes: When this fault appears, the idle speed is stuck at 1000 rpm, there is
engine noise, the engine speed is unsteady, the engine performance is reduced, and the
level 1 warning light illuminates along with the message Faulty injection.
CO - CC
NOTESNone.
Switch off the ignition and wait 15 seconds.
Check the connection and condition of the injector connector. Repair if necessary.
Check the connection and condition of the computer 48-track brown connector B. Repair if necessary.
Run command AC008 Cylinder 4 injector.
If 5 actuation cycles of injector 4 cannot be heard working, connect the cylinder 3 injector wire 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.
DDCR_V44_DF029/DDCR_V48_DF029