2011 RENAULT SCENIC ABS

13B-82
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
CONTINUED 2
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.
With the ignition on, check for + 12 V after relay on the connection 3FB (Mégane II and Laguna II) or 3FB1
(Scénic II) of the rail pressure regulator.
If there is no + 12 V on connection 3FB (Mégane II and Laguna II) or 3FB1 (Scénic II), check the continuity
and absence of interference resistance of the following connections:
– connection code 3FB between components 11 05 and 983 (Laguna II),
– connection code 3FB1 between components 110 5 and 1337 (Scénic II),
– connection code 3FB between components 11 05 and 1337 (Mégane 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 rail pressure sensor using the interpretation of DF007 Rail pressure sensor circuit.
If the fault is still present, replace the injection pump.
1.DEF
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 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.

13B-83
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
*OCR: Opening Cyclic RatioDF053
CONTINUED 3
Check the continuity and absence of interference resistance of the following connections:
– connection code 3HI between components 120 and 1105,
– connection code 3FB (Mégane II and Laguna II) or 3FB1 (Scénic II) between components 1105 and 983
(Laguna II) or 1337 (Mégane II and Scénic 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 rail pressure sensor using the interpretation of DF007 Rail pressure sensor circuit.
Repair if necessary.
If the fault is still present, check that the computer output is working correctly.
→Either using an ammeter:
With the regulator connected, connect the current clamp to connection 3FB (Mégane II and Laguna II) or 3FB1
(Scénic II) of the regulator (in the direction of the current).
Clear any rail pressure regulator faults and run command AC011 Rail pressure regulator.
The ammeter should display ten cycles of two successive currents: ~ 0.6A then ~ 2A.
→Or using a voltmeter:
With the regulator connected, connect the negative terminal of the voltmeter to connection 3HI of the rail pressure
regulator and the positive terminal to connection 3FB (Mégane II and Laguna II) or 3FB1 (Scénic II).
Clear any fuel pressure solenoid valve faults, then run command AC011 Rail pressure regulator:
The voltmeter should display two successive voltage readings:
~3.15V for an OCR* of 25% then ~9.45V for an OCR* of 75% (ten cycles)
→Or using an oscilloscope (range 5 V/division and time base 1 ms/division):
With the regulator connected, connect the negative terminal of the oscilloscope to the battery earth and the
positive terminal to connection 3HI of the fuel pressure solenoid valve, clear any rail pressure regulator faults, and
run command AC011 Rail pressure regulator:
the oscilloscope should display a square pulse signal with an amplitude of 12.5 V at a frequency of 185 Hz (with
an OCR* alternating successively from 25 to 75%).
if the measurement does not show any control or continuous voltage, contact the techline.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.

13B-84
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
CONTINUED 4
2.DEF A
8.DEF
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.
Repair if necessary.
Measure the resistance of the pressure regulator between connections 3FB (Mégane II and Laguna II) or 3FB1
(Scénic II) and 3HI.
Replace the injection pump if its resistance is not 3 ohms ± 1 Ω at 20°C.
Check the continuity and absence of interference resistance on the following connections:
– connection code 3HI between components 120 and 1105,
– connection code 3FB (Mégane II and Laguna II) or 3FB1 (Scénic II) between components 1105 and 983
(Laguna II) or 1337 (Mégane II and Scénic 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.
In the event of rail overpressure:
Check the operation of the injectors by running test 9 Poor injector operation.
Check that the rail pressure sensor is operating correctly using command AC011 Rail pressure regulator. Check
the conformity of parameter PR038 Rail pressure.
If these checks do not reveal any faults, and if the fault is still present, replace the rail pressure regulator.
in the event of rail underpressure:
Check that the rail pressure sensor is operating correctly using command AC011 Rail pressure regulator. Check
the conformity of parameter PR038 Rail pressure.
Check the low pressure diesel circuit priming.
Check the conformity of the diesel filter connections.
Check the condition of the filter (clogging and water saturation).
Check that there are no air bubbles between the filter and the high pressure pump.
Check the low and high pressure diesel fuel circuit sealing (visual inspections, etc.) pump housing, pressure relief
valve, pipes, rail and injector unions, injector wells, etc.
Check the conformity of the seal fitting on the pressure regulator.
Check the operation of the injectors by running test 9 Poor injector operation.
Carry out the necessary operations.
If the fault is still present replace the rail pressure regulator.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.

13B-93
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
DF056
CONTINUED 2
1.DEF
NOTESNone
2.DEFConditions for applying the fault finding procedure to a
stored fault:
The fault is declared present after the ignition has been
switched off for 40 seconds.
Check the air flowmeter connections.
Check the injection computer connections.
Repair if necessary
Check for continuity and the absence of interference resistance of the following connections:
– connection code 3KJ,
– connection code3DV,
– connection code3DW,
– connection code 3DU (Mégane II and Scénic II),
between components 120 and 799.
– connection code 3FB (Laguna II and Mégane II) or 3FB2 (Scénic II) between components 799 and 983
(Laguna II) or 1337 (Mégane II and Scénic II).
– connection code NT (Laguna II) between component 799 and the chassis earth NT.
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 4 Checking the turbocharged air inlet circuit and test 5 Air flowmeter,
check that the damper valve is open (valve control resting against the air vent unit),
with the flowmeter connected, the vehicle ignition on and engine stopped,
check the voltage between connections 3DW and 3DV of the air flowmeter:
Replace the air flow sensor if its value is not 0.5 V < X < 0.7 V.
Check the EGR valve is not jammed open:
– Deal with any faults,
– Use the conformity check and Emission control/OBD sub-function,
If these checks show that the valve is jammed or irrevocably seized, replace the EGR valve.
If no faults are revealed, but the fault is still present, replace the air flow sensor.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.

13B-94
MR-372-J84-13B200$324.mif
V13
13B
DIESEL INJECTION
Fault finding – Interpretation of faults
DF057
PRESENT
OR
STOREDWATER IN DIESEL FUEL DETECTOR CIRCUIT
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.
Check the conformity and quality of the fuel by running test 11 Diesel fuel conformity check.
Check the sealing of the tank and the low pressure circuit by running test 3 Low pressure circuit check.
A. Check that the water in diesel detection sensor is correctly connected.
– If not, clear the fault,
– carry out a road test (speed > 12 mph (20 km/h) and engine speed > 1200 rpm) for more than 30 seconds.
– If the fault does not reappear, end of fault finding procedure.
– If the fault reappears, go to step C.
b) If the water detection sensor is not present:
–Insulate the electrical connector not connected to the vehicle (risk of humidity, oxidation, and erratic
appearance of faults).
Check that the configuration reading LC065 Water in diesel fuel sensor is WITHOUT.
If LC065 Water in diesel fuel sensor is WITH, run command RZ005 Programming to reinitialise the vehicle
configurations.
– Clear the faults.
– Carry out a road test (speed > 12 mph (20 km/h) and engine speed > 1200 rpm) for more than 30 seconds.
– If the fault does not reappear, end of fault finding procedure.
c) If the sensor is correctly connected:
– Bleed the diesel filter unit (see MR 395 (Laguna II), 370 (Scénic II) or 364 (Mégane II), Mechanical, 13A, Fuel
supply).
– Clear the fault.
– Carry out a road test (speed > 12 mph (20 km/h) and engine speed > 1200 rpm) for more than 30 seconds.
–If the fault does not reappear, end the fault finding procedure.
d)If the fault reappears:
– Check the continuity and absence of interference resistance on connection 3WT between components 414
and 120.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V50_DF057/EDC16_V58_DF057/EDC16_V5C_DF057/EDC16_V18_DF057/EDC16_V1C_DF057/EDC16_V20_DF057EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
MR-372-J84-13B200$324.mif

13B-96
MR-372-J84-13B200$324.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
DF058
PRESENT
OR
STOREDOIL TEMPERATURE SENSOR CIRCUIT
CO.1: Open circuit or short circuit to + 12 V
CC.0 : Short circuit to earth
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present when the ignition is switched on or with the engine
running.
Special notes:
Use bornier Elé. 1681 or Elé. 1590 for all operations on the computer connectors.
This fault only occurs on vehicles with automatic transmission.
Check the oil temperature sensor connections.
Check the injection computer connections.
Repair if necessary.
Measure the resistance of the oil temperature sensor between connections 47Q and 115A.
Replace the oil temperature sensor if the resistance is not approximately:
11 50 Ω at 40°C
308 Ω at 80°C
105 Ω at 120°C
53 Ω at 150°C
Check the insulation, continuity and the absence of interference resistance of the following connections:
– connection code 47Q,
– connection code 115 A.
Between components 120 and 688.
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 oil temperature sensor.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V50_DF058/EDC16_V58_DF058/EDC16_V5C_DF058/EDC16_V18_DF058/EDC16_V1C_DF058/EDC16_V20_DF058

13B-102
MR-372-J84-13B200$324.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
DF070
PRESENT
OR
STOREDCLUTCH SWITCH CIRCUIT
1.DEF:No signal
2.DEF:Inconsistent signal
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present after the clutch pedal is depressed, or during a road test.
Special notes:
If this fault is present, the cruise control/speed limiter function will be 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.
Check the conformity and adjustment of the clutch switch (position, connection).
– Display status ET405 Clutch pedal switch:
– with the clutch engaged, status ET405 Clutch pedal switch should be RELEASED
– when the clutch pedal is disengaged status ET405 Clutch pedal switch should be DEPRESSED.
If these checks are not OK, replace the clutch switch.
If these checks are correct:
Check the connections of the clutch pedal switch.
Check the injection computer connections
Repair if necessary.
Check the continuity and absence of interference resistance on connection 86D between components 120
and 675.
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 earth on connection MAM of the clutch pedal switch.
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.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V50_DF070/EDC16_V58_DF070/EDC16_V5C_DF070/EDC16_V18_DF070/EDC16_V1C_DF070/EDC16_V20_DF070

13B-105
MR-372-J84-13B200$324.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
DF091
PRESENT
OR
STOREDVEHICLE SPEED SIGNAL
1.DEF: Inconsistent signal
2.DEF:Signal outside upper limit
3.DEF:Configuration absent or incorrect
4.DEF:Multiplex line connection fault
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present during a road test.
Special notes:
Use bornier Elé.1681 or Elé.1590 for any operation on the injection computer
connectors.
Check the ABS computer connections.
Check the injection computer connections.
Repair if necessary.
Run fault finding on the multiplex network (see 88B, Multiplexing) and on the ABS (see 38C, Anti-lock braking
system).
Refer to the Technical Notes for the vehicle when dealing with any faults.
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_DF091/EDC16_V58_DF091/EDC16_V5C_DF091/EDC16_V18_DF091/EDC16_V1C_DF091/EDC16_V20_DF091