heating RENAULT SCENIC 2011 J95 / 3.G Engine And Peripherals EDC16C36 User Guide

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

13B-198
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
DF970
PRESENT
OR
STOREDRICHNESS RATIO SENSOR HEATING CIRCUITCC.0: Short circuit to earth
CC.1: Short-circuit on +12 volts.
CO: Open circuit
1.DEF: Internal electrical fault
2.DEF: Below minimum threshold
3.DEF: Above maximum threshold
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present after:
– the ignition is switched on,
– a road test,
– the relay is actuated by command AC231 Richness ratio sensor heating.
Special notes:
Use the bornier Elé. 1681 for all operations on the connectors of the injection
computer.
The richness ratio sensor is only present on certain F9Q818 engines. Check that the
vehicle is correctly equipped with this sensor.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
EDC16C36_V44_DF970/EDC16C36_V4C_DF970/EDC16C36_V48_DF970EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48

13B-203V9 MR-372-J84-13B450$120.mif
13B
Tool status Diagnostic tool title
ET001+ After ignition computer feed
ET003Engine immobiliser
ET004Air conditioning authorisation
ET007Pre-postheating control
ET014Fan assembly 1 check
ET015Monitor cooling fan 2
ET038Engine
ET039Brake pedal
ET040Clutch pedal
ET042Cruise control/speed limiter
ET076Starting
ET077Impact detected
ET079Air conditioning present
ET104Injector code use
ET120Pre-postheating signal
ET143Low speed fan assembly relay control
ET144High-speed fan assembly relay control
ET205Heating element No. 1 relay control
ET206Heating element No. 2 relay control
ET207heating element No. 3 relay control
ET238Synchronisation
ET300Richness regulation
ET341Immobiliser code programmed
ET405Clutch pedal switch
ET415Deactivation of cruise control/speed limiter
ET651EGR programming cut-off
ET703Cruise control/speed limiter buttons
ET704Brakecontact No. 1
ET705Brakecontact No. 2
DIESEL INJECTION
Fault finding – Status summary table
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-210V9 MR-372-J84-13B450$131.mif
DIESEL INJECTION
Fault finding – Interpretation of statuses13B
ET007PRE-POSTHEATING UNIT CONTROL
STATUS DEFINITIONACTIVE: when the heater plugs are activated according to the temperature of the
engine coolant.
INACTIVE: after the engine has been running for a certain period.
In the event of a fault, consult the interpretation of fault DF017 Preheating unit control
circuit.
NOTESSpecial notes:
Only perform these tests if the statuses do not correspond with the system
programming functions.
Use the Mégane II ph2, Scénic II ph2 Technical Note wiring diagram.
Conformity check with engine stopped and ignition on
ACTIVEWhen the ignition is switched on, the status ET007 must have an ACTIVE status for a
time that varies depending on the temperature of the engine coolant. Both the relay
and the heater plugs are supplied.
After starting, the status should remain ACTIVE for a time that varies depending on
the engine temperature. This is the postheating phase.
If ET007 is INACTIVE when the ignition is switched on, check:
– The supply fuse FM12 (70A) in (597) the engine fuse and relay box.
– The feed to the heater plugs after relay actuation, and the connections of the heater
plugs.
IMPORTANT
On this engine, the plug supply voltage is variable.
EDC16C36_V44_ET007/EDC16C36_V4C_ET007/EDC16C36_V48_ET007/EDC16C36_V50_ET007/EDC16C36_V54_ET007/
EDC16C36_V58_ET007
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-211V9 MR-372-J84-13B450$131.mif
DIESEL INJECTION
Fault finding – Interpretation of statuses13B
ET007
CONTINUED
ACTIVE
The continuity and absence of interference resistance on the following
connections:
– Connection code 37AB between components 257 and 683,
– Connection code 37AA between components 257 and 680,
– Connection code 37Z between components 257 and 681,
– Connection code 37AC between components 257 and 682.
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 the wiring.
Check the status of the preheating unit and that they are connected correctly (see
Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2, Component code
257).
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.
If the vehicle starts, postheating has ended and status ET007 remains ACTIVE during
the engine operating phase, consult the interpretation of faults DF017 'Preheating
unit control circuit'' and DF025 Preheating unit diagnostic line (see
Interpretation of faults).
INACTIVEIf the vehicle does not start, the status remains INACTIVE and preheating was not
executed when the ignition was switched on or during the starting phase.
Check the continuity 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.
Check the + 12 V battery supply to the pre-postheating unit.
– Connection code BP35 of component 257.
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 the wiring.
Conformity check with engine running, engine coolant temperature > 80°C
ACTIVE
then
INACTIVEAfter the engine has been running for a certain period, the status changes from
ACTIVE to INACTIVE.
In the event of a fault, consult the interpretation of fault DF017 Preheating unit
control circuit.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58