Df012 RENAULT SCENIC 2012 J95 / 3.G Engine And Peripherals EDC16CP33 Workshop Manual
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Page 20 of 510

13B-20V12 MR-372-J84-13B300$030.mif
DIESEL INJECTION
Fault finding – System operation13B
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
EOBD management (European On Board Diagnostic):
The EOBD system enables the detection of any faults relating to the vehicle emission control system
(EOBD EURO IV emission control standards exceeded).
This system should be active for the entire life of the vehicle.
1. Conditions for an EOBD fault appearing
An EOBD fault will be detected after 3 driving cycles.
It allows the driver to know whether the vehicle has a fault directly linked to the emission control system.
2. System faults displayed by the EOBD
Only a few faults are indicated by the EOBD system:
– DF002 Air temperature sensor circuit.
– DF004 Turbocharging pressure sensor circuit.
– DF011 Sensor feed voltage no. 1.
– DF012 Sensor feed voltage no. 2.
– DF013 Sensor feed voltage no. 3.
– DF026 Cylinder 1 injector control circuit.
– DF027 Cylinder 2 injector control circuit.
– DF028 Cylinder 3 injector control circuit.
– DF029 Cylinder 4 injector control circuit.
– DF054 Turbocharging solenoid valve control circuit.
– DF056 Air flow sensor circuit.
– DF107 Computer memory.
– DF200 Atmospheric pressure sensor.
– DF209 EGR position sensor circuit.
– DF272 EGR valve control circuit.
– DF569 Turbocharging circuit.
Some repair operations require programming to ensure that certain engine components function correctly.
Follow the programming procedures (see Replacement of components), if replacing the exhaust gas
recirculation valve or an injector.
3. Conditions for clearing an EOBD fault
An EOBD fault is cleared in several phases.
The fault present in the diagnostic tool will only be stored (following repair) after the vehicle has been driven
3times.
The EOBD warning light will only go out after these 3 driving cycles.
The instrument panel warning light coming on does not automatically mean that the system has a fault.
In order for the EOBD fault and display parameters to be cleared from the computer, the system must go
through 40 engine heating cycles.
An engine heating cycle is a driving cycle during which:
– the engine coolant temperature reaches at least 71.1°C,
– the engine coolant temperature varies by 22.2°C in relation to the engine starting temperature.
If one of these conditions is not fulfilled, the EOBD fault will still be present or stored in the injection
computer.
Page 28 of 510

13B-28V12 MR-372-J84-13B300$060.mif
13B
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
Tool faultAssociated
DTCDiagnostic tool title
DF001115 Coolant temperature sensor circuit
DF002110 Air temperature sensor circuit
DF004235 Turbocharging pressure sensor circuit
DF007190 Rail pressure sensor circuit
DF011641 Sensor supply voltage no. 1
DF012651 Sensor supply voltage no. 2
DF013697 Sensor supply voltage no. 3
DF017670 Preheating unit control circuit
DF018480 Low speed fan assembly control circuit (except Vdiag 58, 5C)
DF019481 High speed fan assembly control circuit (except Vdiag 58, 5C)
DF025380 Pre-postheating unit diagnostic line
DF026201 Cylinder 1 injector control circuit
DF027202 Cylinder 2 injector control circuit
DF028203 Cylinder 3 injector control circuit
DF029204 Cylinder 4 injector control circuit
DF0321641 Thermoplunger 1 relay control circuit
DF0331642 Thermoplunger 2 relay control circuit
DF0341643 Thermoplunger 3 relay control circuit
DF038606 Computer
DF046560 Battery voltage
DF0472505 Computer feed voltage
DF051575 Cruise control/speed limiterfunction
DF052200 Injector control circuit
DF05445 Turbocharging solenoid valve control circuit
DF056100 Air flow sensor circuit
DF059301 Misfiring on cylinder 1
DF060302 Misfiring on cylinder 2
DF061303 Misfiring on cylinder 3
DF062304 Misfiring on cylinder 4
DF065300 Combustion misfire
DIESEL INJECTION
Fault finding – Fault summary table
Page 47 of 510

13B-47
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 with the diagnostic tool.
V12 MR-372-J84-13B300$071.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
DF012
PRESENT
OR
STOREDSENSOR SUPPLY VOLTAGE NO. 2
1.DEF: Above maximum threshold
2.DEF: Below minimum threshold
NOTESConditions for applying the fault finding procedure to a stored fault:
If the fault is declared present after:
– the ignition is switched on.
– starting the engine,
– a road test.
Special notes:
If the fault is present,
– engine torque limited,
– cruise control/speed limiter function is switched off,
– the thermoplungers are switched off,
– air conditioning is switched off,
– the low speed fan assembly is continuously supplied.
– safe mode on the accelerator pedal sensor: gang 1 value used,
– particle filter regenerations when driving are inhibited.
The level 1 and EOBD (European On Board Diagnostic) warning lights are lit. Use
bornier Elé. 1681 for all operations on the engine management computer connectors.
Use the Wiring Diagram Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV
ph2, Mégane II ph2, Scénic II ph2.
1.DEF
NOTESNone.
Note:
Supply no.2 is for the following components:
– accelerator pedal sensor (gang 2), component code 921,
– EGR valve position sensor, component code 1460 or 169,
– damper valve position sensor, component code 1461,
– cruise control/speed limiter button (button on steering wheel), component code 689,
– refrigerant sensor, component code 1202,
– particle filter differential pressure sensor, component code 1290.
EDC16CP33_V18_DF012 / EDC16CP33_V1C_DF012 / EDC16CP33_V54_DF012 / EDC16CP33_V20_DF012 / EDC16CP33_V58_DF012 /
EDC16CP33_V5C_DF012 / EDC16CP33_V24_DF012 / EDC16CP33_V04_DF012 / EDC16CP33_V08_DF012 / EDC16CP33_V44_DF012 /
EDC16CP33_V4C_DF012 / EDC16CP33_V34_DF012 / EDC16CP33_V38_DF012 / EDC16CP33_V74_DF012 / EDC16CP33_V28_DF012 /
EDC16CP33_V62_DF012/ EDC16CP33_V26_DF012 / EDC16CP33_V60_DF012
Page 48 of 510

13B-48
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 with the diagnostic tool.
V12 MR-372-J84-13B300$071.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
DF012
CONTINUED 1
Measure the sensor feed voltage on the following connections:
•3LU of component 921,
•86G of component 689,
•38KQ of component 1461,
•3AAQ of component 1290,
•38Y of component 1202,
•3GC of component 1460 or 169.
If at least one of the five voltages is greater than + 5.1 V, disconnect these connectors one by one.
If, after disconnecting the damper valve, the voltage returns to normal,
Check the insulation against + 12 V of the following connection:
•38KQ between components 120 and 1461.
If after disconnecting the accelerator pedal sensor the voltage returns to normal,
Check the insulation against + 12 V of the following connection:
•3LU between components 120 and 921.
If, after disconnecting the EGR valve, the voltage returns to normal,
Check the insulation against + 12 V of the following connection:
• connection code 3GC between components 120 and 1460 or 169.
If the voltage returns to normal after the particle filter differential pressure sensor is disconnected,
Check the insulation against + 12 V of the following connection:
•3AAQ between components 120 and 1290.
If the voltage returns to normal after the refrigerant sensor is disconnected,
Check the insulation against + 12 V of the following connection:
•38Y between components 120 and 1202.
If the voltage returns to normal after the cruise control/speed limiter button is disconnected,
Check the insulation against + 12 V of the following connection:
•86G between components 120 and 689.
If the connection or connections are faulty and if there is a repair method (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.
Clear the faults created by the multiple disconnections.
Page 49 of 510

13B-49
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 with the diagnostic tool.
V12 MR-372-J84-13B300$071.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
DF012
CONTINUED 2
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Laguna II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 120).
If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
If the fault is still present, contact the Techline.
Page 50 of 510

13B-50
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 with the diagnostic tool.
V12 MR-372-J84-13B300$071.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
DF012
CONTINUED 3
2.DEFNOTESNone.
Note:
Supply no.2 is for the following components:
– accelerator pedal sensor (gang 2), component code 921,
– EGR valve position sensor, component code 1460 or 169,
– damper valve position sensor, component code 1461,
– cruise control/speed limiter button (button on steering wheel), component code 689,
– refrigerant sensor, component code 1202,
– particle filter differential pressure sensor, component code 1290.
Measure the supply voltage on the following sensors:
•3LU of component 921,
•86G of component 689,
•38KQ of component 1461,
•3AAQ of component 1290,
•38Y of component 1202,
•3GC of component 1460 or 169.
If at least one of the voltages is less than 4.9 V, disconnect these connectors one by one.
Page 51 of 510

13B-51
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 with the diagnostic tool.
V12 MR-372-J84-13B300$071.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
DF012
CONTINUED 4
If the voltage returns to normal after the damper valve is disconnected,
Check the insulation to earth of the following connection:
•38KQ between components 120 and 1461.
If, after disconnecting the accelerator pedal sensor, the voltage returns to normal,
Check the insulation to earth of the following connection:
•3LU between components 120 and 921.
If, after disconnecting the EGR valve, the voltage returns to normal,
Check the insulation to earth of the following connection:
• connection code 3GC between components 120 and 1460 or 169.
If the voltage returns to normal after the particle filter differential pressure sensor is disconnected,
Check the insulation against + 12 V of the following connection:
•3AAQ between components 120 and 1290.
If the voltage returns to normal after the refrigerant sensor is disconnected,
Check the insulation against + 12 V of the following connection:
•38Y between components 120 and 1202.
If the voltage returns to normal after the cruise control/speed limiter button is disconnected,
Check the insulation against + 12 V of the following connection:
•86G between components 120 and 689.
If the connection or connections are faulty and if there is a repair method (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.
Clear the faults created by the multiple disconnections.
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Laguna II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 120).
If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
If the fault is still present, contact the Techline.
Page 148 of 510

13B-148
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 with the diagnostic tool.
V12 MR-372-J84-13B300$073.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF165
PRESENT
OR
STOREDACCELERATOR PEDAL POSITION SENSOR CIRCUIT1.DEF: Detection of the accelerator pedal depressed at the same time as the brake
pedal.
2.DEF: No signal
3.DEF: Jammed accelerator pedal detected
NOTESPriorities when dealing with a number of faults:
– DF012 Sensor supply voltage no. 2.
Conditions for applying the fault finding procedure to a stored fault:
The fault is declared present when the brake pedal and accelerator pedal are
depressed simultaneously.
Special notes:
– Turbocharging and cruise control are not authorised.
– The engine speed is fixed at 1700 rpm.
–The level 1 warning light is lit for 2.DEF and 3.DEF.
Use bornier Elé.1681 for any operations on the computer connectors.
Use the Wiring Diagram Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV
ph2, Mégane II ph2, Scénic II ph2.
Check that the accelerator pedal is not jammed
Check the condition of the pedal sensor connector (component code 921).
Check the condition of the engine management computer connector (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.
Measure the resistance between connections 3LT and 3LR of component 921.
If the accelerator pedal sensor resistance is not between: 0.7 kΩ < X < 1.7 kΩ or 0.91 kΩ < X < 2.49 kΩ (M9R721),
replace the sensor.
EDC16CP33_V18_DF165 / EDC16CP33_V1C_DF165 / EDC16CP33_V54_DF165 / EDC16CP33_V20_DF165 / EDC16CP33_V58_DF165 /
EDC16CP33_V5C_DF165 / EDC16CP33_V24_DF165 / EDC16CP33_V04_DF165 / EDC16CP33_V08_DF165 / EDC16CP33_V44_DF165 /
EDC16CP33_V4C_DF165 / EDC16CP33_V34_DF165 / EDC16CP33_V38_DF165 / EDC16CP33_V74_DF165 / EDC16CP33_V28_DF165 /
EDC16CP33_V62_DF165/ EDC16CP33_V26_DF165 / EDC16CP33_V60_DF165
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
Page 155 of 510

13B-155
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 with the diagnostic tool.
V12 MR-372-J84-13B300$073.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF198
PRESENT
OR
STOREDPEDAL SENSOR CIRCUIT GANG 2
CO.0: Open circuit or short circuit to earth
CC.1: Short circuit to + 12 V
1.DEF: Consistency between gang 1 and gang 2
NOTESPriorities when dealing with a number of faults:
– DF012 Sensor supply voltage no. 2.
Conditions for applying the fault finding procedure to a stored fault:
The fault is declared present after a series of full load / no load actions on the
accelerator pedal.
Special notes:
– engine torque limited,
– cruise control not authorised,
–the level 1 warning light is illuminated,
– the idling speed is 1400 rpm.
Use bornier Elé. 1681 for any work on the computer connectors
Use the Wiring Diagram Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV
ph2, Mégane II ph2, Scénic II ph2.
CO.0
NOTESIf there is a simultaneous occurrence of fault DF196 Pedal
sensor circuit gang 1, check that the pedal sensor
connector is connected correctly.
Check the condition of the pedal sensor connector (see Wiring Diagram Technical Note, Laguna II ph2, Vel
Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 921).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Laguna II ph2, Vel Satis ph2, Espace IV ph2, 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.
EDC16CP33_V18_DF198 / EDC16CP33_V1C_DF198 / EDC16CP33_V54_DF198 / EDC16CP33_V20_DF198 / EDC16CP33_V58_DF198 /
EDC16CP33_V5C_DF198 / EDC16CP33_V24_DF198 / EDC16CP33_V04_DF198 / EDC16CP33_V08_DF198 / EDC16CP33_V44_DF198 /
EDC16CP33_V4C_DF198 / EDC16CP33_V34_DF198 / EDC16CP33_V38_DF198 / EDC16CP33_V74_DF198 / EDC16CP33_V28_DF198 /
EDC16CP33_V62_DF198 / EDC16CP33_V26_DF198 / EDC16CP33_V60_DF198
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
Page 160 of 510

13B-160
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 with the diagnostic tool.
V12 MR-372-J84-13B300$073.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF209
PRESENT
OR
STOREDEGR VALVE POSITION SENSOR CIRCUITCC.0: Short circuit to earth
CO.0: Open circuit or short circuit to earth
CO.1: Open circuit or short circuit to +12 V
1.DEF: Open circuit or short circuit
NOTESPriorities when dealing with a number of faults:
– DF046 Battery voltage.
– DF012 Sensor supply voltage no. 2.
Conditions for applying the fault finding procedure to a stored fault:
The fault is declared present after:
– the ignition is switched on.
– the engine is started,
– a road test.
Special notes:
If the fault is present:
–the EOBD (European On Board Diagnostic) warning light is lit,
– EGR programming cut-off: valve in the closed position,
– particle filter regeneration is inhibited.
Use bornier Elé. 1681 for all operations on the engine management computer
connector.
Use the Wiring Diagram Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV
ph2, Mégane II ph2, Scénic II ph2.
CO.1
1.DEF
NOTESNone.
Check the condition of the EGR valve (see Wiring Diagram Technical Note, Laguna II ph2, Vel Satis ph2,
Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 1460 or 169).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Laguna II ph2, Vel Satis ph2, Espace IV ph2, 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.
EDC16CP33_V18_DF209 / EDC16CP33_V1C_DF209 / EDC16CP33_V54_DF209 / EDC16CP33_V20_DF209 / EDC16CP33_V58_DF209 /
EDC16CP33_V5C_DF209 / EDC16CP33_V24_DF209 / EDC16CP33_V04_DF209 / EDC16CP33_V08_DF209 / EDC16CP33_V44_DF209 /
EDC16CP33_V4C_DF209 / EDC16CP33_V34_DF209 / EDC16CP33_V38_DF209 / EDC16CP33_V74_DF209 / EDC16CP33_V28_DF209 /
EDC16CP33_V62_DF209 / EDC16CP33_V26_DF209 / EDC16CP33_V60_DF209
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74