13B-156
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
DF272
CONTINUED 3
CCNOTESNone.
Check the condition of the connector of the EGR valve (see Wiring Diagram Technical Note, Mégane II ph2,
Scénic II ph2, Component code 1460).
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 between the following connections:
– Connection code 3VP between components 1460 and 120.
– Connection code 3VQ between components 1460 and 120.
If the connection or connections are faulty and there is a repair method (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
EGR valve with a square connector:
Measure the resistance of the EGR valve between the following connections:
– Connection code 3VP of component 1460.
– Connection code 3VQ of component 1460.
EGR valve with a flat connector:
– Replace the EGR valve.
Replace the valve if the resistance is not between 1 Ω
reinitialise the EGR valve offsets (see Replacement of components).
If the fault is still present, contact the Techline.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58
13B-157
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
DF276
PRESENT
OR
STOREDINJECTOR CODE PROGRAMMING
1.DEF: No code stored
2.DEF: Internal electronic fault during programming
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present after the ignition has been switched on.
Special notes:
If the fault is present,
– torque limited, engine speed limited to 1500 rpm,
– engine torque limited,
–the level 1 warning light is illuminated.
Use bornier Ele. 1681 for all operations on the engine management computer
connector.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
1.DEF
2.DEF
NOTESThis fault appears:
– when an incorrect injector code has been entered using
command SC002 Enter injector codes,
– after replacing the injection computer,
– after (re)programming.
EDC16C36_V44_DF276/EDC16C36_V4C_DF276/EDC16C36_V48_DF276/EDC16C36_V50_DF276/EDC16C36_V54_DF276/
EDC16C36_V58_DF276EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58
13B-159
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
DF293
PRESENT
OR
STOREDWATER IN DIESEL FUEL SENSOR
1.DEF: Open circuit on the line or water present in the diesel fuel
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.
Special notes:
If the fault is present,
– risk of engine destruction if fault DF293 not taken into account,
– water in diesel warning light on.
Use bornier Ele. 1681 for all operations on the engine management computer
connector.
IMPORTANT
Please observe the cleanliness guidelines and safety advice.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
EDC16C36_V44_DF293/EDC16C36_V4C_DF293/EDC16C36_V48_DF293/EDC16C36_V50_DF293/EDC16C36_V54_DF293/
EDC16C36_V58_DF293EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58
13B-163
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
*temp: temperature
DF309
PRESENT
OR
STOREDPARTICLE FILTER DOWNSTREAM TEMP.* SENSOR
CO.1: Open circuit or short circuit to +12 V
CC.0: Short circuit to earth
NOTESConditions for applying fault finding procedures to stored faults:
The fault becomes present if:
– ignition is on (CC.0),
– following a road test, engine warm (CO.1).
IMPORTANT
The particle filter downstream temperature sensor only measures temperatures
greater than 50°C.
Use the Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
CC.0
NOTESNone.
Check the condition of the particle filter downstream temperature sensor connector.
Check the condition of the engine management computer connector.
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 code3TG,
– connection code3XU,
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, replace the particle filter downstream temperature sensor.
EDC16C36_V48_DF309/EDC16C36_V58_DF309EDC16 C36
Program No.: 91
Vdiag No.: 48, 58
13B-165
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
DF310
PRESENT
OR
STOREDPARTICLE FILTER UPSTREAM TEMP.* SENSOR
CO.1: Open circuit or short circuit to +12 V
CC.0: Short circuit to earth
NOTESConditions for applying fault finding procedures to stored faults:
The fault becomes present if:
– ignition is on (CC.0),
– following a road test, engine warm (CO.1).
Special notes:
If the fault is present:
– particle filter regeneration is inhibited,
–the level 1 warning light is lit,
–the OBD warning light comes on after three consecutive driving cycles (start
+5 seconds, switch off the ignition and wait 1 minute).
IMPORTANT
The particle filter upstream temperature sensor only measures temperatures
above 50°C.
Use the Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
EDC16C36_V48_DF310/EDC16C36_V50_DF310/EDC16C36_V58_DF310EDC16 C36
Program No.: 91
Vdiag No.: 48, 50, 58
13B-175
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
* diff: differential
DF315
PRESENT
OR
STOREDPARTICLE FILTER DIFF* PRESSURE SENSOR
CO: Open circuit
CC.1: Open circuit or short-circuit on + 12 volts
C0.0: Open circuit or short circuit to earth
NOTESConditions for applying fault finding procedures to stored faults:
The fault is declared present after the engine is started or following a road test.
Special notes:
If the fault is present:
–the level 1 warning light is lit,
–the OBD warning light will come on after three consecutive driving cycles (start
+ 5 seconds + switch off the ignition switched and wait 1 minute),
– the particle filter fault finding procedure is inhibited,
– particle filter regeneration is inhibited.
Priorities when dealing with a number of faults:
– DF315 if it is present.
– DF308 "Particle filter clogged" if DF315 is stored and DF308 is present.
– DF011 Sensor supply voltage no. 1 if it is present or stored.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
EDC16C36_V48_DF315/EDC16C36_V50_DF315/EDC16C36_V58_DF315EDC16 C36
Program No.: 91
Vdiag No.: 48, 50, 58
13B-177
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
DF315
CONTINUED 2
CO.0
CONOTESNone.
Check the condition of the connector of the differential pressure sensor (see Wiring Diagram Technical Note,
Mégane II ph2, Scénic II ph2, Component code 1290).
Check the condition of the connector of the engine management computer (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 code3TL,
– connection code3TM,
between components 120 and 1290.
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, replace the differential pressure sensor.
EDC16 C36
Program No.: 91
Vdiag No.: 48, 50, 58
13B-178
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
* diff: differential
DF316
PRESENT
OR
STOREDPARTICLE FILTER DIFF* PRESSURE
1.DEF: Signal incoherent
2.DEF: Below minimum threshold
NOTESConditions 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.
Special notes:
If the fault is present:
– the particle filter fault finding procedure is inhibited,
–the Level 1 and OBD warning lights are lit.
Use bornier Ele. 1681 for all operations on the engine management computer
connector.
Use Wiring Diagram Technical Note, Mégane II ph2, Scénic II ph2.
Check the condition of the pressure pipes on the differential pressure sensor.
Check that they are sealed and in the correct position.
Replace if necessary.
Check the condition of the connectors on the differential pressure sensor and the injection computer.
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, insulation and the absence of interference resistance on the following connections:
– Connection code3AAQ,
– Connection code3TM,
– Connection code 3TL,
between components 1290 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 fault is still present, contact the Techline.
EDC16C36_V48_DF316/EDC16C36_V50_DF316/EDC16C36_V58_DF316EDC16 C36
Program No.: 91
Vdiag No.: 48, 50, 58