2011 RENAULT SCENIC heating

13B-34V9 MR-372-J84-13B450$090.mif
13B
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58
Management of instrument panel warning lights according to the faults notified.
FaultDTC code in
hexadecimalLevel 1 fault
warning light
(orange
SERVICE
warning light)Level 2 fault
warning light
(red STOP
warning light)No fault
warning
light litOBD
warning
light lit
DF001 Coolant temperature
sensor circuit115 CC.0/CO.1 - - -
DF002 Air temperature sensor
circuit110 - - CC.0/CO.1CC.0/
CO.1
DF004 Turbocharging
pressure sensor circuit235CO.0/CC.1/
1.DEF--CO.0/
CC.1/
1.DEF
DF007 Rail pressure sensor
circuit190CC.0/CO.1/
1.DEF/2.DEF---
DF011 Sensor supply
voltage no. 1641 1.DEF/2.DEF - -1.DEF/
2.DEF
DF012 Sensor supply
voltage no. 2651 1.DEF/2.DEF - -1.DEF/
2.DEF
DF013 Sensor supply
voltage no. 3697 - 1.DEF/2.DEF -1.DEF/
2.DEF
DF017 Pre-heating unit
control circuit670CC.0/CO/CC.1/
1.DEF---
DF025 Preheating unit fault
finding connection380 - - - 1.DEF
DF026 Cylinder 1 injector
control circuit201 CO CC/1.DEF -CO/CC/
1.DEF
DF027 Cylinder 2 injector
control circuit202 CO CC/1.DEF -CO/CC/
1.DEF
DF028 Cylinder 3 injector
control circuit203 CO CC/1.DEF -CO/CC/
1.DEF
DF029 Cylinder 4 injector
control circuit204 CO CC/1.DEF -CO/CC/
1.DEF
DIESEL INJECTION
Fault finding – Fault summary table

13B-40V9 MR-372-J84-13B450$101.mif
13B
DF001
PRESENT
OR
STOREDCOOLANT TEMPERATURE SENSOR CIRCUIT
CC.0: Short circuit to earth
CO.1: Open circuit or short circuit to +12 V
NOTESPriorities when dealing with a number of faults:
Deal with fault DF046 Battery voltage first, if it is present or stored.
Conditions for applying the fault finding procedure to stored faults:
The fault is declared present after:
– the ignition is switched on,
– starting the engine,
– a road test.
Special notes:
If the fault is present:
– the engine management overrides the EGR function,
– the coolant temperature: PR064 Coolant temperature is fixed at 118°C, with the
engine running,
– the coolant temperature: PR064 Coolant temperature is fixed at 0°C, with the
engine stopped,
– the preheating phase is greater than 10 seconds,
– the low-speed fan assembly (GMV1) is engaged,
– thermoplunger cut-off in defect mode,
– EGR valve cut-off,
– engine torque limited,
– turbocharger cooling pump actuated,
–ET587 Recycled exhaust gas cooling is ACTIVE.
The level 1 warning light is illuminated.
Use bornier Elé.1681 for any operations on the computer connectors.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
EDC16C36_V44_DF001/EDC16C36_V4C_DF001/EDC16C36_V48_DF001/EDC16C36_V50_DF001/EDC16C36_V54_DF001/
EDC16C36_V58_DF001
DIESEL INJECTION
Fault finding – Interpretation of faults
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-61V9 MR-372-J84-13B450$101.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF017
PRESENT
OR
STOREDPRE-POSTHEATING UNIT CONTROL CIRCUITCO: Open circuit
CC.1: Short circuit to + 12 V
CC.0: Short circuit to earth
1.DEF: Internal electronic fault
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present after:
– the ignition is switched on,
– starting the engine,
– a road test,
– relay actuation using command AC037 Preheating relay.
Special notes:
The injection level 1 warning light is on.
Use bornier Elé. 1681 for all operations on the connectors of the engine management
computer.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
CO
NOTESSpecial note:
Risk of starting difficulty due to absence of preheating.
Check the condition of the preheating unit connector (see Wiring Diagram Technical Note, Mégane II ph2,
Scénic II ph2, component code 257).
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 the continuity of the following connections:
– Connection code 3FY between components 120 and 257.
– Connection code 3FF between components 120 and 257.
Check for + 12 V battery on the preheating unit connector.
– Connection code 3FY of component 257.
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 pre-postheating unit.
EDC16C36_V44_DF017/EDC16C36_V4C_DF017/EDC16C36_V48_DF017/EDC16C36_V50_DF017/EDC16C36_V54_DF017/
EDC16C36_V58_DF017
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-62V9 MR-372-J84-13B450$101.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF017
CONTINUED 1
CC.1NOTESNone.
Check the condition of the preheating unit connector (see Wiring Diagram Technical Note, Mégane II ph2,
Scénic II ph2, component code 257).
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 the insulation from + 12 V of the following connections:
– Connection code 3FY between components 120 and 257.
– Connection code 3FF between components 120 and 257.
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 pre-postheating unit.
CC.0
NOTESSpecial note:
Risk of battery discharge.
Check the condition of the preheating unit connector (see Wiring Diagram Technical Note, Mégane II ph2,
Scénic II ph2, component code 257).
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 insulation from earth of the following connections:
– Connection code 3FY between components 120 and 257.
– Connection code 3FF between components 120 and 257.
Check for + 12 V battery on the preheating unit connector.
– Connection code 3FY of component 257.
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 pre-postheating unit.
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-63V9 MR-372-J84-13B450$101.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF017
CONTINUED 2
1.DEFNOTESSpecial note:
This fault appears when the control section of the computer
overheats and when the preheating unit is controlled by
AC037 Preheating relay.
Check the condition of the preheating unit connector (see Wiring Diagram Technical Note, Mégane II ph2,
Scénic II ph2, component code 257).
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 following connection for continuity and for the absence of interference resistance:
– Connection code 3FF between components 120 and 257.
Check for + 12 V battery on the preheating unit connector.
– Connection code 3FY of component 257.
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, 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-64V9 MR-372-J84-13B450$101.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF025
PRESENT
OR
STOREDPRE-POSTHEATING UNIT DIAGNOSTIC LINE
1.DEF: Faulty heater plug(s) or open circuit on the preheating unit return line to the
computer
NOTESPriorities when dealing with a number of faults:
Deal with fault DF017 Preheating control circuit first, if it is present or stored.
Conditions for applying the fault finding procedure to stored faults:
The fault is declared present after:
– when the ignition is switched on, during the preheating phase,
– engine running in postheating phase,
– controlling the heater plugs using command AC037 Preheating relay.
Special notes:
If the fault is present:
Use bornier Elé. 1681 for all operations on the connectors of the engine management
computer.
–The European On Board Diagnostic injection warning light is lit.
– Difficult to start the engine.
– Refer to the Wiring Diagram Technical Notes for the vehicle to locate the fuses and
relays concerned.
IMPORTANT
Please observe the cleanliness guidelines and safety advice.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
EDC16C36_V44_DF025/EDC16C36_V4C_DF025/EDC16C36_V48_DF025/EDC16C36_V50_DF025/EDC16C36_V54_DF025/
EDC16C36_V58_DF025
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-65V9 MR-372-J84-13B450$101.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF025
CONTINUED
Check the condition of the preheating unit connector (see Wiring Diagram Technical Note, Mégane II ph2,
Scénic II ph2, component code 257).
Check the connections on all the heater plugs.
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 resistance of the heater plugs:
Replace any plug whose resistance is not greater than 2Ω at + 20°C.
Check the continuity of the following connections:
– Connection code 37Z between components 257 and 680.
– Connection code 37AA between components 257 and 681.
– Connection code 37AB between components 257 and 682.
– Connection code 37AC between components 257 and 683.
Check for + 12 V battery feed on the preheating unit connector (supplied by fuse FM12 70A located in the engine
relay and fuse box).
– Connection code 3FY of component 257.
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 engine earthing.
– Interpret command AC037 Preheating relay.
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 the continuity, insulation and absence of interference resistance on the following connections:
– Connection code 3FY between components 120 and 257.
– Connection code 3FF between components 120 and 257.
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 pre-postheating unit.
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-150
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$103.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF232
PRESENT
OR
STOREDREFRIGERANT PRESSURE SENSOR CIRCUIT
CC.0: Short circuit to earth
CO.1: Open circuit or short circuit to +12 V
NOTESPriority when dealing with a number of faults:
If DF012 Sensor feed voltage no. 2 is present or stored:
– deal with it first,
– fan assembly GMV1 activated (low-speed),
– heating and air conditioning system inhibited.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
Check the condition of the refrigerant pressure sensor connector (see Wiring Diagram Technical Note,
Mégane II ph2, Scénic II ph2, component code 1202) and ensure that it is operating correctly.
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 insulation, continuity and the absence of interference resistance on the following connections:
– connection codes 38U, 38X, 38Y between components 1202 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.
If the wiring of the particle filter downstream temperature sensor, component code 1288, is present (with or without
the sensor being present), check the electrical insulation in relation to + 12 V between the following connections:
•3XU between components 120 and 1288,
•3TG between components 120 and 1288.
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, contact the Techline.
EDC16C36_V44_DF232/EDC16C36_V4C_DF232/EDC16C36_V48_DF232/EDC16C36_V50_DF232/EDC16C36_V54_DF232/
EDC16C36_V58_DF232EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58