RENAULT SCENIC 2011 J95 / 3.G Engine And Peripherals EDC16C36 Workshop Manual

13B-181
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
V9 MR-372-J84-13B450$104.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF643
PRESENT
OR
STOREDRAIL PRESSURE REGULATOR CIRCUITCO: Open circuit
CC.0: Short circuit to earth
CC.1: Short circuit to + 12 V
1.DEF: Internal electronic fault
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault reappears after:
– the ignition is switched on,
– the regulator is actuated by command AC011 Rail pressure regulator.
Special notes:
If the fault is present:
– the engine stops,
–the level 2 warning light is lit.
Use bornier Elé. 1681 for all operations on the engine management computer
connectors.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
Check the condition of the pressure regulator connector (see Wiring Diagram Technical Note, Mégane II ph2,
Scénic II ph2, Component code 1105).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Mégane II ph2, Scénic II ph2, component code 120).
If the connector or connectors are 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 low pressure circuit.
Repair if necessary.
EDC16C36_V44_DF643/EDC16C36_V4C_DF643/EDC16C36_V48_DF643/EDC16C36_V50_DF643/EDC16C36_V54_DF643/
EDC16C36_V58_DF643EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-182
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
V9 MR-372-J84-13B450$104.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF643
CONTINUED
Check the continuity and insulation against earth and against +12 V on the following connection:
– Connection code 3HI between components 1105 and 120.
Also check for + 12 V after relay feed on the pressure regulator connector.
– Connection code 3FB of component 1105.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
Measure the resistance of the pressure regulator between the following connections:
– Connection code 3FB of component 1105.
– Connection code 3HI of component 1105.
If the resistance value of the regulator is not 3 ± 0.1 Ω at 20°C, replace the pressure regulator.
If the fault is still present, contact the Techline.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-183
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
V9 MR-372-J84-13B450$104.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF647
PRESENT
OR
STOREDEGR VALVE POSITION REGULATION1.DEF: Inconsistent EGR 1 offset
2.DEF: Offset too high: valve clogged, stuck open or abnormal
3.DEF: Inconsistent EGR 3 offset
4.DEF: Above maximum threshold
5.DEF: Valve jammed closed
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present after:
– the engine is started,
– a road test.
Special notes:
If the fault is present:
–the level 1 warning light is illuminated for 1.DEF, 3.DEF and 5.DEF,
–the European On Board Diagnostic warning light is illuminated for 2.DEF and
4.DEF,
– the EGR function and turbocharging are inhibited by the engine management
computer,
– engine torque is limited.
Use bornier Ele. 1681 for all operations on the engine management computer
connector.
If faults DF647 and DF038 Computer are displayed at the same time, deal with DF038
Computer first. Then check that the EGR valve is open during idling to make sure that
the programming has not been lost. If the valve does not open, carry out the
programming phase.
Priorities when dealing with a number of faults:
– DF209 EGR valve position sensor circuit,
– DF046 Battery voltage,
– DF012 Sensor supply voltage no. 2,
– DF272 EGR valve control circuit,
if they are present or stored.
For EGR valves with a flat connector, it is not possible to check the sensor resistance.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
EDC16C36_V44_DF647/EDC16C36_V4C_DF647/EDC16C36_V48_DF647/EDC16C36_V50_DF647/EDC16C36_V54_DF647/
EDC16C36_V58_DF647EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-184
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
V9 MR-372-J84-13B450$104.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF647
CONTINUED
Check the condition of the connector of the EGR valve (see Wiring Diagram Technical Note, Mégane II ph2,
Scénic II ph2, Component code 1460).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Mégane II ph2, Scénic II ph2, component code 120).
If the connector(s) is/are 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 for continuity and absence of interference resistance of the following connections:
– Connection code 3GC between components 1460 and 120.
– Connection code 3JM between components 1460 and 120.
– Connection code 3EL between components 1460 and 120.
If the connection or connections are faulty and there is a repair method (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair), repair the wiring, otherwise replace it
EGR valve with a square connector:
Measure the resistance of the EGR valve between the following connections:
– Connection code 3JM of component 1460.
– Connection code 3GC of component 1460.
EGR valve with a flat connector:
Replace the EGR valve.
Replace the valve if the resistance is not between: 3.9 kΩ When replacing the EGR valve, run command SC036 Reinitialise programming and select EGR valve to
reinitialise the EGR valve offsets (see Replacement of components).
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-185
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
V9 MR-372-J84-13B450$104.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF652
PRESENT
OR
STOREDTURBINE UPSTREAM TEMPERATURE SENSOR CIRCUIT
CC.O: Short circuit to earth
CO.1: Open circuit or short-circuit on +12 V.
NOTESConditions for applying fault finding procedures to stored faults:
The fault becomes present with the ignition on (CC.0) or after a road test, with the
engine warm (CO.1).
Special notes:
If the fault is present:
– particle filter regeneration is inhibited,
– the vehicle performance is reduced,
– temperature regulation before the particle filter is inhibited.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
CC.0
NOTESNone.
Check the condition of the turbine upstream temperature sensor connector.
Check the condition of the engine management computer connector.
If the connector or connectors are 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 from earth of the following connections:
– connection code 3ABS,
– connection code3ABT,
between components 120 and 1589.
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 it.
If the fault is still present, replace the turbine upstream temperature sensor.
EDC16C36_V48_DF652/EDC16C36_V50_DF652/EDC16C36_V58_DF652EDC16 C36
Program No.: 91
Vdiag No.: 48, 50, 58

13B-186
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
V9 MR-372-J84-13B450$104.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF652
CONTINUED
CO.1NOTESNone.
Check the condition of the turbine upstream temperature sensor connector.
Check the condition of the engine management computer connector.
If the connector or connectors are 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 continuity and insulationof the following connections against + 12 volts:
– connection code 3ABS,
– connection code3ABT,
between components 120 and 1589.
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 it.
If the fault is still present, replace the turbine upstream temperature sensor.
EDC16 C36
Program No.: 91
Vdiag No.: 48, 50, 58

13B-187
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
V9 MR-372-J84-13B450$104.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF778
PRESENT
OR
STOREDTURBINE UPSTREAM TEMPERATURE REGULATION
1.DEF: Positive loop deviation
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault becomes present after starting the engine.
Priorities when dealing with a number of faults:
Deal with faults DF652 Turbine upstream temperature sensor circuit and DF226
Damper valve circuit first, if they are present or stored.
Special notes:
If the fault is present:
–The level 1 warning light is illuminated.
– A loss of engine performance will be perceived.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
EDC16C36_V48_DF778/EDC16C36_V50_DF778/EDC16C36_V58_DF778EDC16 C36
Program No.: 91
Vdiag No.: 48, 50, 58

13B-188
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
V9 MR-372-J84-13B450$104.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF778
CONTINUED
Check the turbine upstream temperature sensor connections.
check the engine management computer connections.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
Check the continuity, absence of interference resistance and insulation from + 5 V and + 12 V of the following
connections:
– Connection code 3ABS,
– Connection code 3ABT,
between components1589 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 it.
Check the continuity, the absence of interference resistance, and the insulation against earth of the following
connection:
– Connection code 3ABS between components 1589 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.
Check for the earth on the connector of the turbine upstream temperature sensor:
– Connection code 3ABT of component 1589.
Apply TEST 4 Turbocharged air inlet circuit check.
If the fault is still present, warm up the engine until parameter PR064 coolant temperature = 80°C.
Then run the engine at fast idle speed: PR055 engine speed = 1500 rpm for 2 minutes.
If PR667 Turbine upstream temperature remains fixed at 200°C, replace the turbine upstream temperature
sensor.
EDC16 C36
Program No.: 91
Vdiag No.: 48, 50, 58

13B-189
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
V9 MR-372-J84-13B450$104.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF890
PRESENT
OR
STOREDMOVEMENT DURING REGENERATION PRESSURE SENSOR
NOTESConditions for applying fault finding procedures to stored faults:
The fault becomes present during an After-Sales regeneration carried out using the
diagnostic tool at a speed above zero.
Special notes:
If the fault is present:
– regeneration in progress is stopped.
IMPORTANT
The fault is present because the vehicle was driven while the After-Sales regeneration was in progress.
The vehicle must remain stationary throughout regeneration.
DO NOT DRIVE THE VEHICLE DURING AFTER-SALES REGENERATION.
CHECK THAT THE VEHICLE IS CORRECTLY IMMOBILISED.
– switch off the ignition and wait for the diagnostic tool message (maximum time 8 minutes): Communication
lost with computer: EDC16C36, check the tool connection and computer supply.
– switch on the ignition,
– establish dialogue with the injection computer,
– clear the faults from the computer memory.
Check that there are no leaks or blockages in the exhaust pipe,
– Repair if necessary
– carry out another After-Sales regeneration,
– run command SC017 Particle filter regeneration and follow the procedure (see Interpretation of commands).
If the fault is still present, contact the Techline.
EDC16C36_V48_DF890/EDC16C36_V50_DF890/EDC16C36_V58_DF890EDC16 C36
Program No.: 91
Vdiag No.: 48, 50, 58

13B-190
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
V9 MR-372-J84-13B450$104.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF891
PRESENT
OR
STOREDGROUP 1 INJECTORS FEED
1.DEF: Faulty connections
2.DEF: Short-circuit on earth or short-circuit on +12 V
NOTESConditions for applying the fault finding procedure to a stored fault:
If the fault becomes present after:
– the ignition is switched on,
– the engine is started.
Priority when dealing with a number of faults:
Deal with faults DF026 Cylinder 1 injector control circuit, DF027 Cylinder 2
injector control circuit, DF028 Cylinder 3 injector control circuit and DF029
Cylinder 4 injector control circuit first, if they are present or stored.
Special notes:
If the fault is present:
–the level 2 injection warning light is illuminated,
– the engine stops.
Use bornier Elé. 1681 for all operations on the engine management computer
connectors.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
EDC16C36_V44_DF891/EDC16C36_V4C_DF891/EDC16C36_V48_DF891/EDC16C36_V50_DF891/EDC16C36_V54_DF891/
EDC16C36_V58_DF891EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58