ABS RENAULT SCENIC 2011 J95 / 3.G Engine And Peripherals EDC16 User Guide

13B-46
MR-372-J84-13B200$252.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
DF009
CONTINUED 3
1.DEF
NOTESNone
Check the rail pressure sensor connectors.
Check the injection computer connections.
Repair if necessary.
Check the continuity and absence of interference resistance on the following connections:
– connection code3LW,
– connection code 3LU,
– connection code 3LV,
– connection code 3LS,
– connection code 3LR,
– connection code 3LT.
between components 120 and 921.
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, replace the pedal potentiometer.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.

13B-55
MR-372-J84-13B200$252.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
DF015
PRESENT
OR
STOREDMAIN RELAY CONTROL CIRCUIT
1.DEF : Relay cut out too soon
2.DEF : Relay cut out too late
NOTESConditions for applying the fault finding procedure to stored faults:
Only deal with this fault if it is stored.
Special notes:
The supply relay of the injection control unit (50A) is located on a relay plate in the
engine connection unit under the Protection and Switching Unit.
If the fault is present, the level 1 warning light is lit.
Use bornier Elé.1681 or Elé.1590 for any operation on the injection computer
connectors.
Check the Protection and Switching Unit connections (Vdiag 50, 58, 5C only).
Check the injection computer connections.
Repair if necessary.
Check the condition of the battery terminals making sure they are correctly tightened.
Check the condition of the injection supply relay and its mounting.
Check the 5D (5A) + after ignition supply located on the UPC (Protection and Switching Unit) (Vdiag 50, 58, 5C
only).
Repair if necessary.
Check the continuity and absence of interference resistance of connection 3AA between components 120 and
983.
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, contact the Techline.
IMPORTANT!WA R N I N G
If the Protection and Switching Unit (Vdiag 50, 58, 5C only) no longer detects the injection
computer signals, GMV 1 will be actuated until the battery is completely discharged.
In the event that engine cooling fan 1 is not working, GMV 2 will be supplied.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V50_DF015/EDC16_V58_DF015/EDC16_V5C_DF015/EDC16_V18_DF015/EDC16_V1C_DF015/EDC16_V20_DF015

13B-58
MR-372-J84-13B200$252.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
DF025
PRESENT
OR
STOREDPRE-POSTHEATING UNIT DIAGNOSTIC LINE
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present after several attempts to start the engine or after running
actuator command AC001 Preheating unit.
Special notes:
It is difficult or even impossible to start the engine when cold.
If the fault is present, the level 1 warning light is lit.
Use bornier Elé.1681 or Elé.1590 for any operation on the injection computer
connectors.
Check the pre-postheating unit connections.
Check the connections on all of the heater plugs.
Repair if necessary.
Check fuse F2 for Mégane II and Scénic II and FM12 for Laguna II (70A) located on the power supply fuse
board.
Check the resistance of the heater plugs:
Replace any plugs whose resistance is not less than 2 Ω at + 20°C.
Check the continuity and absence of interference resistance of the following connections:
– connection code 37AB between components 257 and 682.
– connection code 37AC between components 257 and 683.
– connection code 37Z between components 257 and 680.
– connection code 37AA between components 257 and 681.
Check for + 12 V on connection BP35 of the preheating unit (via fuse F2 for Mégane II and Scénic II and FM12
for Laguna II (70A).
If the fault is still present.
Check the injection computer connections.
Check the continuity and absence of interference resistance of the following connections:
– connection code3FY,
– connection code 3FF.
Between components 120 and 257.
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, replace the pre-postheating unit.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V50_DF025/EDC16_V58_DF025/EDC16_V5C_DF025/EDC16_V18_DF025/EDC16_V1C_DF025/EDC16_V20_DF025

13B-59
MR-372-J84-13B200$252.mif
V13
13B
DIESEL INJECTION
Fault finding – Interpretation of faults
DF032
PRESENT
OR
STOREDTHERMOPLUNGER 1 RELAY CONTROL CIRCUIT
CO: Open circuit
CC.0: Short circuit to earth
CC.1 : Short circuit to + 12 V
1.DEF: Inconsistent signal
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present after:
– the ignition is switched on,
– with the engine running,
– actuator command AC063 Thermoplunger no. 1 relay.
If faults DF033 “Thermoplunger relay 2 control circuit” and DF034
“Thermoplunger relay 3 control circuit” appear, ignore them and go straight to
configuration CF030 “Thermoplunger configuration”.
Special notes:
Use bornier Elé. 1681 for all operations on the engine management computer
connectors.
check the engine management computer connections.
Check the thermoplunger connections, component code 898.
Repair if necessary.
Check for + 12 V after ignition supply on connections BP27 and BP35 of component 1550.
If there is no + 12 V supply, refer to the interpretation of fault DF015 Main relay control circuit.
Repair if necessary.
Check the continuity and absence of interference resistance of connection 3JA between components 120
and 1550.
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.
Using a test light, check the supply by running command AC063 Thermoplunger no. 1 relay on connection 3JB
between components 898 and 1550.
Measure the resistance of the thermoplunger, component code 898.
Replace the thermoplunger, component code 898 if the resistance is greater than 2 Ω.
Replace the water heater interface unit if necessary.
Using a test light, check that the water heater interface unit is properly earthed by running command AC063
Thermoplunger no. 1 relay on connection 3JA between components 120 and 1550.
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_DF032/EDC16_V58_DF032/EDC16_V5C_DF032EDC16
Program No.: C1
Vdiag No.: 50, 58, 5C

13B-60
MR-372-J84-13B200$252.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag No.: 50, 58, 5C
13B
DF033
PRESENT
OR
STOREDTHERMOPLUNGER 2 RELAY CONTROL CIRCUIT
CO: Open circuit
CC.1: Short circuit to + 12 V
CC.0: Short circuit to earth
1.DEF: Inconsistent signal
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present after:
– the ignition is switched on,
– with the engine running,
– actuator command AC064 Thermoplunger no. 2 relay.
If faults DF032 “Thermoplunger relay 1 control circuit” and DF034
“Thermoplunger relay 3 control circuit” appear, ignore them and go straight to
configuration CF030 “Thermoplunger configuration”.
Special notes:
Use bornier Elé. 1681 for all operations on the engine management computer
connectors.
check the engine management computer connections.
Check the thermoplunger connections, component codes 1072 and 1073.
Repair if necessary.
Check for + 12 V after ignition supply on connections BP27 and BP35 of component 1550.
If there is no + 12 V supply, refer to the interpretation of fault DF015 Main relay control circuit.
Repair if necessary.
Check the continuity, absence of interference resistance and insulation to earth of connection 3JAA
between components 120 and 1550.
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 for + 12 V after ignition supply on connection 3JC between components 1550 and 1072 and on
connection 3JD between components 1550 and 1073.
Measure the resistance of the thermoplungers, component codes 1072 and 1073.
Replace the thermoplungers, component codes 1072 or 1073 if the resistance is greater than 2 Ω.
Replace the water heater interface unit if necessary.
Using a test light, check that the water heater interface unit is properly earthed on connection 3JAA between
components 120 and 1550.
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_DF033/EDC16_V58_DF033/EDC16_V5C_DF033

13B-61
MR-372-J84-13B200$252.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag No.: 50, 58, 5C
13B
DF034
PRESENT
OR
STOREDTHERMOPLUNGER 3 RELAY CONTROL CIRCUIT
CO: Open circuit
CC.1: Short circuit to + 12 V
CC.0: Short circuit to earth
1.DEF: Inconsistent signal
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present after:
– the ignition is switched on,
– with the engine running,
– actuator command AC031 Thermoplunger no.3 relay.
If faults DF032 “Thermoplunger relay 1 control circuit” and DF033
“Thermoplunger relay 2 control circuit” appear, ignore them and go straight to
configuration CF030 “Thermoplunger configuration”.
Special notes:
Use bornier Elé. 1681 for all operations on the engine management computer
connectors.
check the engine management computer connections.
Check the thermoplunger connections, component code 1074.
Repair if necessary.
Check for + 12 V after ignition supply on connections BP27 and BP35 of component 1550.
If there is no + 12 V supply, refer to the interpretation of fault DF015 Main relay control circuit.
Repair if necessary.
Check the continuity, absence of interference resistance and insulation to earth of connection 3JAB
between components 120 and 1550.
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 for + 12 V after ignition feed on connection3JAC of component 1074.
Measure the resistance of the thermoplunger, component code 1074.
Replace the thermoplunger, component code 1074 if the resistance is greater than 2 Ω.
Replace the water heater interface unit if necessary.
Using a test light, check that the water heater interface unit is properly earthed on connection 3JAB between
components 120 and 1550.
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_DF034/EDC16_V58_DF034/EDC16_V5C_DF034

13B-63
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
DF038
PRESENT
OR
STORED
COMPUTER1.DEF: Permanent high signal
2.DEF: Permanent low signal
3.DEF: Configuration absent or incorrect
4.DEF: Analogue/digital converter fault
5.DEF: Communication disrupted
6.DEF: EEPROM fault
7.DEF: Watchdog activation
8.DEF: Signal outside upper limit
10.DEF: Injector control
11.DEF: Injector control capacitor fault
12.DEF: Injection fault when decelerating
13.DEF: Initialisation error
14.DEF: Open circuit or internal electronic fault.
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present after one attempt to start the engine, or with the engine
running.
Special notes:
If 6.DEF, 8.DEF, 12.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.
If 6.DEF 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.
Priority when dealing with a number of faults:
Deal with fault DF046: Battery voltage first if it is present or stored.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V50_DF038/EDC16_V58_DF038/EDC16_V5C_DF038/EDC16_V18_DF038/EDC16_V1C_DF038/EDC16_V20_DF038

13B-68
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
DF040
PRESENT
OR
STOREDCYLINDER 1 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 1 is disabled.
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 1.
Check the injection computer connections.
Repair if necessary.
Disconnect injector no. 1.
Measure the resistance of injector no. 1 between connections 3CR and 3KW.
Replace the injector if it has a short circuit (R = 0 Ω) or open circuit (infinite resistance measurement).
Otherwise reconnect injector no. 1.
Check the continuity and absence of interference resistance of the following connections:
– connection codes 3CR and 3KW between components 120 and 193.
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_DF040/EDC16_V58_DF040/EDC16_V5C_DF040/EDC16_V18_DF040/EDC16_V1C_DF040/EDC16_V20_DF040

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