2011 RENAULT SCENIC Engine And Peripherals EDC16C36 Workshop Manual

13B-89V9 MR-372-J84-13B450$102.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF054
CONTINUED 1
CONOTESNone.
Check the condition of the turbocharging solenoid valve (see Wiring Diagram Technical Note, Mégane II ph2,
Scénic II ph2, component code 1475).
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.
Measure the resistance of the turbocharging solenoid valve between the following connections:
– Connection code 3FB of component 1475.
– Connection code 3MG of component 1475.
If the resistance measured is greater than 1 kΩ or less than 6 Ω, replace the turbocharging solenoid valve.
Check the continuity of the following connections:
– Connection code 3MG between components 1475 and 120.
Check for the presence of + 12 V after relay on the turbocharging solenoid valve connector.
– Connection code 3FB of component 1475.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
If the fault is still present, replace the turbocharging solenoid valve.
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.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-90V9 MR-372-J84-13B450$102.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF054
CONTINUED 2
CC.1NOTESNone.
Check the condition of the turbocharging solenoid valve (see Wiring Diagram Technical Note, Mégane II ph2,
Scénic II ph2, component code 1475).
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.
Measure the resistance of the turbocharging solenoid valve between the following connections:
– Connection code 3FB of component 1475.
– Connection code 3MG of component 1475.
If the resistance measured is greater than 1 kΩ or less than 6 Ω, replace the turbocharging solenoid valve.
Check the continuity and insulation in relation to + 12 V of the following connection:
– Connection code 3MG between components 1475 and 120.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
If the fault is still present, replace the turbocharging solenoid valve.
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.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-91V9 MR-372-J84-13B450$102.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF054
CONTINUED 3
CC.0NOTESNone.
Check the condition of the turbocharging solenoid valve (see Wiring Diagram Technical Note, Mégane II ph2,
Scénic II ph2, component code 1475).
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.
Measure the resistance of the turbocharging solenoid valve between the following connections:
– Connection code 3FB of component 1475.
– Connection code 3MG of component 1475.
If the resistance measured is greater than 1 kΩ or less than 6 Ω, replace the turbocharging solenoid valve.
Check the continuity and insulation from earth of the following connections:
– Connection code 3MG between components 1475 and 120.
Check for the presence of + 12 V after relay on the turbocharging solenoid valve connector.
– Connection code 3FB of component 1475.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
If the fault is still present, replace the turbocharging solenoid valve.
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.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-92V9 MR-372-J84-13B450$102.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF054
CONTINUED 4
1.DEFNOTESSpecial note:
This fault appears when the computer control section
has overheated.
Check the condition of the turbocharging solenoid valve (see Wiring Diagram Technical Note, Mégane II ph2,
Scénic II ph2, component code 1475).
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.
Measure the resistance of the turbocharging solenoid valve between the following connections:
– Connection code 3FB of component 1475.
– Connection code 3MG of component 1475.
If the resistance measured is not 15.4 ± 0.1 Ω at 20°C, replace the turbocharging solenoid valve.
Check the continuity and insulation of the following connection:
– Connection code 3MG between components 1475 and 120.
Check for + 12 V after relay feed on the turbocharging solenoid valve connector.
– Connection code 3FB of component 1475.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
– If the fault is stored, clear the fault using AC004 Turbocharging solenoid valve.
– If, when AC004 Turbocharging solenoid valve is running, DF054 ''Turbocharging solenoid valve control
circuit'' 1.DEF is present or stored, contact the Techline.
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.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-93V9 MR-372-J84-13B450$102.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF055
PRESENT
OR
STOREDTURBOCHARGING PRESSURE REGULATION CIRCUIT
1.DEF: Turbocharging pressure too high
2.DEF: Turbocharging pressure too low
NOTESPriorities when dealing with a number of faults:
Deal with faults DF054 Turbocharger solenoid valve control circuit and DF004
Turbocharging pressure sensor circuit first, if they are present or stored.
Conditions for applying the fault finding procedure to a stored fault:
In the negative loop difference phase.
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,
– turbocharging regulation is inhibited,
– the EGR function is inhibited,
– increase in polluting emissions,
– activation of the EGR bypass,
– the injection level 1 warning light is on.
Use bornier Elé.1681 for any operations on the injection computer connectors.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
EDC16C36_V44_DF055/EDC16C36_V4C_DF055/EDC16C36_V48_DF055/EDC16C36_V50_DF055/EDC16C36_V54_DF055/
EDC16C36_V58_DF055
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.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-94V9 MR-372-J84-13B450$102.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF055
CONTINUED
1.DEF
2.DEFNOTESNone.
Check the condition of the turbocharging pressure sensor connector (see Wiring Diagram Technical Note,
Mégane II ph2, Scénic II ph2, component code 1071).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Mégane II ph2, Scénic II ph2, component code 120).
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 and absence of interference resistance of the following connections:
– connection code 3LP between components 1071 and 120.
– connection code 3LQ, between components 1071 and 120.
– connection code 3LN between components 1071 and 120.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
With the engine stationary and ignition on, display parameters PR035 Atmospheric pressure and PR041
Turbocharging pressure.
If there is a difference of > 100 mbar, check that the atmospheric pressure read is consistent (by comparing the
value with that of another vehicle for example).
If atmospheric pressure is consistent, replace the turbocharging sensor.
If not, contact the Techline.
Apply test 4: Turbocharged air inlet circuit check.
If the fault is still present, refer to the interpretation of parameter PR041 Turbocharging pressure.
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.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-95V9 MR-372-J84-13B450$102.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF056
PRESENT
OR
STOREDAIR FLOW SENSOR CIRCUIT
CO.0: Open circuit or short circuit to earth
CC.1: Short circuit + 12 volts
1.DEF: Value outside permitted tolerance values
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present after:
– the ignition is switched on.
– starting for CC.1 and continuously for CO.0,
– a road test,
– the ignition is switched off: 1.DEF
Special notes:
If the fault is present:
–the level 1 warning light is lit,
– the EGR function is inhibited,
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_DF056/EDC16C36_V4C_DF056/EDC16C36_V48_DF056/EDC16C36_V50_DF056/EDC16C36_V54_DF056/
EDC16C36_V58_DF056
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.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-96V9 MR-372-J84-13B450$102.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF056
CONTINUED 1
CO.0NOTESPriorities when dealing with a number of faults:
In the event of the simultaneous presence of fault DF002 Air
temperature sensor circuit, check that the air flow sensor
connector is connected correctly.
Deal with fault DF013 Sensor supply voltage no. 3, 1.DEF
first, if it is present or stored.
Check the condition of the air flowmeter connector (see Wiring Diagram Technical Note, Mégane II ph2,
Scénic II ph2, component code 799).
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 continuity and insulation to earth of the following connections:
– Connection code 3DW between components 799 and 120.
– Connection code 3DV between components 799 and 120.
– Connection code 3KJ between components 799 and 120.
Check for the presence of the + 5 V feed on the air flowmeter connector.
– Connection code 3KJ of component 799.
Check for the + 12 V feed on the air flowmeter connector.
– Connection code 3DV of component 799.
Apply test 5 Air flowmeter
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
With the flowmeter connected, the vehicle ignition on and engine stopped:
Check the voltage between the following connections:
– Connection code 3DW of component 799.
– Connection code 3DV of component 799.
If the voltage is not approximately 0.6 V ± 0.1 V, replace the air flowmeter.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
If the fault is still present, replace the air flowmeter.
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.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58