2012 RENAULT SCENIC diagram

13B-109
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$072.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
DF052
PRESENT
OR
STOREDINJECTORS CONTROL CIRCUIT
CC.0: Short circuit to earth
CC.1: Short circuit to + 12 volts
CC: Short circuit
NOTESConditions for applying the fault finding procedure to a stored fault:
the fault becomes present after:
– the ignition is switched on.
– the engine is started.
Special notes:
If the fault is present:
– the level 2 warning light is lit,
– the engine stops.
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.
IMPORTANT:
– cylinder no.1 is located at the timing end.
– do not disconnect the injectors when the engine is running.
– please observe the cleanliness guidelines and safety advice.
Check the condition and connection of the injector connectors (see Wiring Diagram Technical Note, Laguna II
ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component codes 193, 194, 195, 196).
Check the condition and connection of the engine management computer connector (see Wiring Diagram
Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Séenic 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_DF052 / EDC16CP33_V1C_DF052 / EDC16CP33_V54_DF052 / EDC16CP33_V20_DF052 / EDC16CP33_V58_DF052 /
EDC16CP33_V5C_DF052 / EDC16CP33_V24_DF052 / EDC16CP33_V04_DF052 / EDC16CP33_V08_DF052 / EDC16CP33_V44_DF052 /
EDC16CP33_V4C_DF052 / EDC16CP33_V34_DF052 / EDC16CP33_V38_DF052 / EDC16CP33_V74_DF052 / EDC16CP33_V28_DF052 /
EDC16CP33_V62_DF052 / EDC16CP33_V26_DF052 / EDC16CP33_V60_DF052

13B-111
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$072.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
DF054
PRESENT
OR
STOREDTURBOCHARGING SOLENOID VALVE CONTROL CIRCUITCO: open circuit
CC.1: short-circuit to + 12 V
CC.0: Short circuit to earth
1.DEF: Internal electronic fault
NOTESPriorities when dealing with a number of faults:
– DF046 Battery voltage.
Conditions 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,
– actuator command AC004 Turbocharging solenoid valve.
Special notes:
If the fault is present:
– turbocharging is no longer authorised,
– the EGR function is inhibited,
–the level 1 and EOBD (European On Board Diagnostic) warning lights are lit.
Use bornier Elé.1681 for any work on the injection computer connectors.
Use the Wiring Diagram Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV
ph2, Mégane II ph2, Scénic II ph2.
CO
NOTESNone.
Check the condition of the turbocharging solenoid valve connector (see Wiring Diagram Technical Note, Laguna
II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 1475).
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_DF054 / EDC16CP33_V1C_DF054 / EDC16CP33_V54_DF054 / EDC16CP33_V20_DF054 / EDC16CP33_V58_DF054 /
EDC16CP33_V5C_DF054 / EDC16CP33_V24_DF054 / EDC16CP33_V04_DF054 / EDC16CP33_V08_DF054 / EDC16CP33_V44_DF054 /
EDC16CP33_V4C_DF054 / EDC16CP33_V34_DF054 / EDC16CP33_V38_DF054 / EDC16CP33_V74_DF054 / EDC16CP33_V28_DF054 /
EDC16CP33_V62_DF054 / EDC16CP33_V26_DF054 / EDC16CP33_V60_DF054

13B-112
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$072.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
DF054
CONTINUED 1
Measure the resistance between connections3FB and 3MG of component1475.
Replace the turbocharging solenoid valve if the resistance measured is greater than 1 kΩ or less than 6 Ω.
Check the continuity of the following connection:
•3MG between components 120 and 1475.
Check the + 12 V after relay supply of the turbocharging solenoid valve on the following connection:
•3FB of component 1475.
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.
If the fault is still present, replace the turbocharging solenoid valve.
CC.1
NOTESNone.
Check the condition of the turbocharging solenoid valve connector (see Wiring Diagram Technical Note, Laguna
II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 1475).
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.
Measure the resistance between connections3FB and 3MG of component1475.
Replace the turbocharging solenoid valve if the resistance measured is greater than 1 kΩ or less than 6 Ω
Check the insulation in relation to +12 V of the following connection:
•3MG between components 120 and 1475.
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.
If the fault is still present, replace the turbocharging solenoid valve.

13B-113
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$072.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
DF054
CONTINUED 2
CC.0NOTESNone.
Check the condition of the turbocharging solenoid valve connector (see Wiring Diagram Technical Note, Laguna
II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 1475).
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.
Measure the resistance between connections3FB and 3MG of component1475.
Replace the turbocharging solenoid valve if the resistance measured is greater than 1 kΩ or less than 6 Ω
Check the insulation to earth of the following connection:
•3MG between components 120 and 1475.
Check the + 12 V after relay supply of the turbocharging solenoid valve on the following connection:
•3FB of component 1475.
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.
If the fault is still present, replace the turbocharging solenoid valve.

13B-114
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$072.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
DF054
CONTINUED 3
1.DEFNOTESSpecial notes:
This fault appears when the computer control section
overheats or when command AC004 "Turbocharging
solenoid valve" is run.
Check the condition of the turbocharging solenoid valve connector (see Wiring Diagram Technical Note, Laguna
II ph2, Vel Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 1475).
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.
Measure the resistance between connections3FB and 3MG of component1475.
Replace the turbocharging solenoid valve if the resistance measured is greater than 1 kΩ or less than 6 Ω
Check the continuity and absence of interference resistance on the following connection:
•3MG between components 120 and 1475.
Check the + 12 V after relay supply of the turbocharging solenoid valve on the following connection:
•3FB of component 1475.
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.
If the fault is stored, clear the fault and run command AC004.
If, when command AC004, DF054 Turbocharging solenoid valve control circuit 1.DEF is present or stored,
contact the Techline.

13B-115
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$072.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
DF056
PRESENT
OR
STOREDAIR FLOW SENSOR CIRCUIT
CO.0: Open circuit or short circuit to earth
CC.1: Short circuit + 12 volts
1.DEF: Consistent after switching off the ignition
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,
– the ignition is switched off: 1.DEF.
Priorities when dealing with a number of faults:
– DF013 Sensor supply voltage no. 3, 1.DEF
Special notes:
If the fault is present:
–the EOBD (European On Board Diagnostic) warning light is lit,
–the level 1 warning light is lit and turbocharging is no longer authorised for CO.0 and
CC.1,
–the level 1 warning light is lit for 1.DEF (for Vdiag 20, 24, 58 and 5C),
– the EGR function is inhibited by the engine management computer,
– engine torque limited,
– safe value PR132 Air flow = 90 kg/h at idle speed,
– particle filter regeneration is inhibited.
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.
EDC16CP33_V18_DF056 / EDC16CP33_V1C_DF056 / EDC16CP33_V54_DF056 / EDC16CP33_V20_DF056 / EDC16CP33_V58_DF056 /
EDC16CP33_V5C_DF056 / EDC16CP33_V24_DF056 / EDC16CP33_V04_DF056 / EDC16CP33_V08_DF056 / EDC16CP33_V44_DF056 /
EDC16CP33_V4C_DF056 / EDC16CP33_V34_DF056 / EDC16CP33_V38_DF056 / EDC16CP33_V74_DF056 / EDC16CP33_V28_DF056 /
EDC16CP33_V62_DF056 / EDC16CP33_V26_DF056 / EDC16CP33_V60_DF056

13B-116
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$072.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
DF056
CONTINUED 1
CO.0NOTESIn the event of the simultaneous presence of fault DF002 Air
temperature sensor circuit, check that the air flow sensor
connector is connected correctly.
Check the condition of the air flowmeter connector (see Wiring Diagram Technical Note, Laguna II ph2, Vel
Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 799).
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.
Check the continuity and insulation to earth of the following connections:
•3DV between components 120 and 799,
•3KJ between components 120 and 799,
•3DW between components120 and 799.
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 + 5 V feed to the air flowmeter.
•3KJ of component 799.
Check the +12 V after relay feed to the air flowmeter.
•3FB of component 799.
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.
Run Test 5 Air flowmeter.
With the flowmeter connected, the vehicle ignition on and engine stopped:
Measure the voltage between connections 3DW and 3DV
of component 799.
Replace the air flowmeter if the voltage is not between 0.3 V < X < 0.7 V.
If the fault is still present, replace the air flowmeter.

13B-117
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$072.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
DF056
CONTINUED 2
CC.1NOTESNone.
Check the condition of the air flowmeter connector (see Wiring Diagram Technical Note, Laguna II ph2, Vel
Satis ph2, Espace IV ph2, Mégane II ph2, Scénic II ph2, component code 799).
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.
Check the insulation in relation to + 12 V of the following connections:
•3DV between components 120 and 799,
•3KJ between components 120 and 799,
•3DW between components 120 and 799.
Check the + 5 V supply of the air flowmeter on the following connection:
•3KJ of component 799.
Check the + 12 V after relay supply of the air flowmeter on the following connection:
•3FB of component 799.
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.
With the flowmeter connected, the vehicle ignition on and engine stopped:
Measure the voltage between connections 3DW and 3DV of component 799.
Replace the air flowmeter if the voltage is not between 0.3 V < X < 0.7 V.
If the fault is still present, replace the air flowmeter.