check engine RENAULT SCENIC 2011 J95 / 3.G Engine And Peripherals EDC16 Owner's Guide

13B-69
MR-372-J84-13B200$288.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
DF041
PRESENT
OR
STOREDCYLINDER 2 INJECTOR CIRCUIT
CC.1: Short circuit to +12 V
CO: Open circuit
CC: Short circuit
1.DEF: Injector control
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present after the engine has been started.
Special notes:
If CO.1, CC or 1.DEF is present, the level 2 warning light is lit.
If CO is present, the level 1 warning light is lit.
If CO is present, the OBD warning light will come on after three consecutive driving
cycles (starting + 5 seconds, switch off the ignition and wait for 1 minute).
If the fault is present, the injection on cylinder 2 is inhibited.
Use bornier Elé.1681 or Elé.1590 for any operation on the injection computer
connectors.
IMPORTANT
This fault can result in a rapid and significant fouling of the particle filter.
WARNING
This fault may appear if the wiring harness has been damaged.
Follow the procedure described in the Wiring Check in the Introduction.
This test enables the condition and the conformity of the engine wiring harness to be checked.
CC.1
CO
CC
1.DEF
NOTESNone
Check the connections on injector no. 2.
Check the injection computer connections.
Repair if necessary.
Disconnect injector no. 2.
Measure the resistance of injector no. 2 between connections 3KX and 3CS.
Replace the injector if it has a short circuit (R = 0 Ω) or open circuit (infinite resistance measurement).
Otherwise reconnect injector no. 2.
Check the continuity and absence of interference resistance of the following connections:
– connection codes 3KX and 3CS between components 120 and 194.
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.
If the fault is still present, run test 9 Poor injector operation.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V50_DF041/EDC16_V58_DF041/EDC16_V5C_DF041/EDC16_V18_DF041/EDC16_V1C_DF041/EDC16_V20_DF041

13B-70
MR-372-J84-13B200$288.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
DF042
PRESENT
OR
STOREDCYLINDER 3 INJECTOR CIRCUIT
CC.1: Short circuit to +12 V
CO: Open circuit
CC: Short circuit
1.DEF: Injector control
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present after the engine has been started.
Special notes:
If CO.1, CC or 1.DEF is present, the level 2 warning light is lit.
If CO is present, the level 1 warning light is lit.
If CO is present, the OBD warning light will come on after three consecutive driving
cycles (starting + 5 seconds, switch off the ignition and wait for 1 minute).
If the fault is present, the injection on cylinder 3 is inhibited.
Use bornier Elé.1681 or Elé.1590 for any operation on the injection computer
connectors.
IMPORTANT
This fault can result in a rapid and significant fouling of the particle filter.
WARNING
This fault may appear if the wiring harness has been damaged.
Follow the procedure described in the Wiring Check in the Introduction.
This test enables the condition and the conformity of the engine wiring harness to be checked.
CC.1
CO
CC
1.DEF
NOTESNone
Check the connections on injector no. 3.
Check the injection computer connections.
Repair if necessary.
Disconnect injector no. 3.
Measure the resistance of injector no. 3 between connections 3KY and 3CT.
Replace the injector if it has a short circuit (R = 0 Ω) or open circuit (infinite resistance measurement).
Otherwise reconnect injector no. 3.
Check the continuity and absence of interference resistance of the following connections:
connection codes 3KY and 3CT between components 120 and 195.
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.
If the fault is still present, run test 9 Poor injector operation.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V50_DF042/EDC16_V58_DF042/EDC16_V5C_DF042/EDC16_V18_DF042/EDC16_V1C_DF042/EDC16_V20_DF042

13B-71
MR-372-J84-13B200$288.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
DF043
PRESENT
OR
STOREDCYLINDER 4 INJECTOR CIRCUIT
CC.1: Short circuit to +12 V
CO: Open circuit
CC: Short circuit
1.DEF: Injector control
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present after the engine has been started.
Special notes:
If CO.1, CC or 1.DEF is present, the level 2 warning light is lit.
If CO is present, the level 1 warning light is lit.
If CO is present, the OBD warning light will come on after three consecutive driving
cycles (starting + 5 seconds, switch off the ignition and wait for 1 minute).
If the fault is present, the injection on cylinder 4 is inhibited.
Use bornier Elé.1681 or Elé.1590 for any operation on the injection computer
connectors.
IMPORTANT
This fault can result in a rapid and significant fouling of the particle filter.
WARNING
This fault may appear if the wiring harness has been damaged.
Follow the procedure described in the Wiring Check in the Introduction.
This test enables the condition and the conformity of the engine wiring harness to be checked.
CC.1
CO
CC
1.DEF
NOTESNone
Check the connections on injector no 4.
Check the injection computer connections.
Repair if necessary.
Disconnect injector no. 4.
Measure the resistance of injector no. 4 between connections 3KZ and 3CU.
Replace the injector if it has a short circuit (R = 0 Ω) or open circuit (infinite resistance measurement).
Otherwise reconnect injector no. 4.
Check the continuity and absence of interference resistance of the following connections:
– connection codes 3KZ and 3CU between components 120 and 196.
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.
If the fault is still present, run test 9 Poor injector operation.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V50_DF043/EDC16_V58_DF043/EDC16_V5C_DF043/EDC16_V18_DF043/EDC16_V1C_DF043/EDC16_V20_DF043

13B-72
MR-372-J84-13B200$288.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
DF046
PRESENT
OR
STOREDBATTERY VOLTAGE
1.DEF: Excess voltage
2.DEF: Undervoltage
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present following a road test or after attempting to start the
engine.
Special notes:
Computer operating voltage: 9 V < PR071 < 16 V.
Battery voltage that is too low can cause the level 1 fault warning light to come on
thereby causing other faults to appear.
It is then not possible to start the engine.
Use bornier Elé.1681 or Elé.1590 for any operation on the injection computer
connectors.
Priorities when dealing with a number of faults:
If this fault is accompanied by DF226 Damper valve circuit 2.DEF: Fault external to
domain, ignore the latter fault as DF046 is the cause of this fault.
1.DEF
NOTESNone
Check the charge circuits:
Battery condition
Alternator condition (complete fault finding procedure)
Carry out the necessary repairs.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V50_DF046/EDC16_V58_DF046/EDC16_V5C_DF046/EDC16_V18_DF046/EDC16_V1C_DF046/EDC16_V20_DF046

13B-73
MR-372-J84-13B200$288.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
DF046
CONTINUED
2.DEF
NOTESNone
With the ignition off, measure the voltage across the battery terminals.
If the voltage is less than 11.5 V, test the battery.
If the battery is defective, replace the battery then check the charging circuit.
With the ignition on and the with the starter motor turning, measure the voltage between the battery
terminals
If the voltage drops below 9.6 V, check the tightness and condition of the battery terminals.
Repair if necessary
If the terminals are in good condition, test the battery.
If the battery is defective, replace it.
If the starter is cranking the engine correctly, but the fault is still present,
Check the continuity and absence of interference resistance of the following connections:
– connection code 3FB (Mégane II and Scénic II),
– connection code 3FB1 (Scénic II),
between components 120 and 1337.
– connection code N between component 120 and the battery earth (Mégane II and Scénic II).
– connection code 3FB between components 120 and 597 (Laguna II).
– connection code NT between components 120 and chassis earth NT (Laguna II).
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.
Repair if necessary.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.

13B-74
MR-372-J84-13B200$288.mif
V13
13B
DIESEL INJECTION
Fault finding – Interpretation of faults
DF047
PRESENT
OR
STOREDCOMPUTER FEED VOLTAGE
1.DEF: Voltage outside permitted range of values
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present after several starting attempts, or with the engine
running.
Special notes:
Computer operating voltage: 9 V < PR071 < 16 V.
Battery voltage that is too low can cause the level 1 fault warning light to come on
thereby causing other faults to appear.
Use bornier Elé.1681 or Elé.1590 for any operation on the injection computer
connectors.
Check the continuity and absence of interference resistance of the following connections:
– connection code AP15 between components 120 and 1337 (Scénic II et Mégane II).
– connection code AP29 between components 120 and 597 (Laguna II).
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.
Check the condition of the injection control unit supply relay (50A) located on a relay plate in the engine
compartment connection unit (no false contact or oxidation on the relay mounting clips).
Repair if necessary.
If the fault does not reappear, start the engine and wait 1 minute.
Carry out a road test and check the system faults.
If there are no faults, fault finding is complete.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V50_DF047/EDC16_V58_DF047/EDC16_V5C_DF047/EDC16_V18_DF047EDC16
Program No.: C1
Vdiag No.: 18, 50,
58, 5C

13B-77
MR-372-J84-13B200$288.mif
V13
13B
DIESEL INJECTION
Fault finding – Interpretation of faults
DF050
PRESENT
OR
STOREDBRAKE SWITCH CIRCUIT
1.DEF: Open circuit or short circuit
2.DEF : Inconsistent signal
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present after the brake pedal is depressed, or during a road test.
Special notes:
If the fault is present, the cruise control/speed limiter is deactivated.
Use bornier Elé.1681 or Elé.1590 for any operation on the injection computer
connectors.
WARNING
This fault may appear if the wiring harness has been damaged.
Follow the procedure described in the Wiring Check in the Introduction.
This check enables the condition and the conformity of the engine wiring harness to be checked.
1. DEF
NOTESNone
Check the brake pedal switch connections.
Check the condition and adjustment of the brake pedal switch.
Repair if necessary.
Check the conformity of the brake light switch:
For Mégane II and Scénic II without ESP:
Brake pedal released:
– continuity between connections 5A and BPT,
– infinite resistance between connections 65A and SP17.
Brake pedal depressed:
– infinite resistance between connections 5A and BPT,
– continuity between the connections 65A and SP17.
For Mégane II and Scénic II with ESP:
Brake pedal released:
– continuity between connections 5A and BPT,
– infinite resistance between connections 65G and SP17.
Brake pedal depressed:
– infinite resistance between connections 5A and BPT,
– continuity between the connections 65G and SP17.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V50_DF050/EDC16_V58_DF050/EDC16_V5C_DF050/EDC16_V18_DF050/EDC16_V1C_DF050/EDC16_V20_DF050EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C

13B-79
MR-372-J84-13B200$288.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
DF051
PRESENT
OR
STOREDCRUISE CONTROL/SPEED LIMITER FUNCTION
1.DEF: Inconsistent signal
2.DEF: Inconsistent vehicle speed
3.DEF: Steering wheel controls
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present after the engine is started or following a road test.
Special notes:
The cruise control/speed limiter function is inhibited.
Use bornier Elé.1681 or Elé.1590 for any operation on the injection computer
connectors.
WARNING
This fault may appear if the wiring harness has been damaged.
Follow the procedure described in the Wiring Check in the Introduction.
This check enables the condition and the conformity of the engine wiring harness to be checked.
If the fault is present, refer to the interpretation of the following statuses:
– ET042 Cruise control/speed limiter.
– ET415 Deactivation of cruise control/speed limiter.
Check that by pressing the buttons the statuses change and that, with the ignition switched on, all the values are
correct.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V50_DF051/EDC16_V58_DF051/EDC16_V5C_DF051/EDC16_V18_DF051/EDC16_V1C_DF051/EDC16_V20_DF051

13B-80
MR-372-J84-13B200$288.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
DF053
PRESENT
OR
STORED
RAIL PRESSURE REGULATION FUNCTION
CC.1: Short circuit to + 12 V
CC.0: Short circuit to earth
CO: Open circuit
1.DEF: Internal electronic fault
2.DEF: Pressure measured too low
3.DEF: Pressure measured too high
4.DEF: Insufficient pressure
5.DEF: Pressure < minimum
6.DEF: Pressure > maximum
7.DEF: Significant pump control
8.DEF: Above maximum threshold
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present after:
– the engine is started,
– a road test,
– an actuator command AC011 Rail pressure regulator.
Special notes:
If the fault is present:
– it is not possible to start the engine,
– engine stops if already started,
–if 3.DEF is present, the level 1 warning light is lit,
– if one of the other faults is present, the level 2 warning light is lit.
Use bornier Elé.1681 or Elé.1590 for any operation on the injection computer
connectors.
CC.1
NOTESNone
Check the rail pressure regulator connectors.
Check the injection computer connections.
Check the low pressure circuit by running test 3 Low pressure circuit check.
Check the conformity of the fuel used by running test 11 Diesel fuel conformity check.
Check the overpressure valve, run test 12 Incorrect operation of the overpressure valve,
Check the operation of the injectors, run test 9 Incorrect injector operation.
Repair if necessary.
Measure the resistance of the rail pressure regulator between connections 3HI and 3FB (Mégane II and
Laguna II) or 3FB1 (Scénic II).
Replace the injection pump if its resistance is not 3 ohms ± 1 at 20°C.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V50_DF053/EDC16_V58_DF053/EDC16_V5C_DF053/EDC16_V18_DF053/EDC16_V1C_DF053/EDC16_V20_DF053

13B-85
MR-372-J84-13B200$288.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
DF054
PRESENT
OR
STORED
TURBOCHARGING SOLENOID VALVE CONTROL CIRCUIT
CC.1: Short circuit to +12 V
CC.0: Short circuit to earth
CO: Open circuit
1.DEF: Internal electronic fault
2.DEF : Inconsistent signal
3.DEF: Below minimum threshold
4.DEF: Above maximum threshold
5.DEF: Permanent high signal
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present after:
– the engine is started,
– 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 vehicle performance is reduced,
– the level 1 warning light is lit,
–If CC.0 is present, the OBD warning light will come on after three consecutive
driving cycles (starting + 5 seconds, switch off the ignition and wait for 1 minute).
Use bornier Elé.1681 or Elé.1590 for any operation on the injection computer
connectors
IMPORTANT
This fault can result in a rapid and significant fouling of the particle filter.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V50_DF054/EDC16_V58_DF054/EDC16_V5C_DF054/EDC16_V18_DF054/EDC16_V1C_DF054/EDC16_V20_DF054