13B-316V12 MR-372-J84-13B300$102.mif
DIESEL INJECTION
Fault finding – Interpretation of statuses13B
ET704
ET705
CONTINUED 1
Sensor electrical conformity
"ACTIVE"
or
"INACTIVE"If the brake lights are working:
– check the continuity and the absence of interference resistance on the
following connection:
•5A between components 160 and 120 / 645 / 119.
If there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.
If the brake lights are not operational, check:
– the condition and fitting of the brake switch,
– the condition and conformity of the brake light fuse,
– the conformity of the values in the following table:
For MEGANE II ph2 and SCENIC II ph2 with ESP:
Continuity between
connections:Insulation between
connections:
Switch engaged
(Brake pedal released)5A and BPT 65G and SP17
Switch released
(Brake pedal depressed)65G and SP17 5A and BPT
For MEGANE II ph2 and SCENIC II ph2 without ESP:
Continuity between
connections:Insulation between
connections:
Switch engaged
(Brake pedal released)5A BPT 65A SP17
Switch released
(Brake pedal depressed)65A SP17 5A BPT
EDC16CP33
Program No.: C4
VDiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
13B-340
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V12 MR-372-J84-13B300$121.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR030ACCELERATOR PEDAL POSITION
PARAMETER
DEFINITIONThis parameter indicates the accelerator pedal position as a percentage.
NOTESThere must be no present or stored faults.
Perform this fault finding procedure:
– after finding an inconsistency in the parameter,
– after a customer complaint (e.g. lack of power, etc.).
Conformity check: Engine stopped and ignition on, or engine running, and engine coolant
temperature > 80°C
If no pressure is being applied to the pedal PR030 = 0%.
In the event of a fault, consult the interpretation of DF196 Pedal sensor circuit gang 1 or DF198 Pedal sensor
circuit gang 2.
Sensor electrical conformity
Check the continuity and absence of interference resistance of the following connections:
–3LR between components 120 and 921,
–3LS between components 120 and 921,
–3LT between components 120 and 921,
–3LU between components 120 and 921,
–3LW between components 120 and 921,
–3LV between components 120 and 921.
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.
EDC16CP33_V18_PR030 / EDC16CP33_V1C_PR030 / EDC16CP33_V54_PR030 / EDC16CP33_V20_PR030 / EDC16CP33_V58_PR030 /
EDC16CP33_V5C_PR030 / EDC16CP33_V24_PR030 / EDC16CP33_V04_PR030 / EDC16CP33_V08_PR030 / EDC16CP33_V44_PR030 /
EDC16CP33_V4C_PR030 / EDC16CP33_V34_PR030 / EDC16CP33_V38_PR030 / EDC16CP33_V74_PR030 / EDC16CP33_V28_PR030 /
EDC16CP33_V62_PR030 / EDC16CP33_V26_PR030 / EDC16CP33_V60_PR030
EDC16CP33
Program No.: C4
VDiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
13B-345
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V12 MR-372-J84-13B300$121.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR038
CONTINUED
Sensor electrical conformity
Check the condition of the rail pressure sensor connector (see Wiring Diagram Technical Note, Vehicle,
Component code 1032).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Vehicle, Component code 120).
If one of the connectors is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring
repair, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Check the continuity and absence of interference resistance of the following connections:
•3LX between components 120 and 1032,
•3LY between components 120 and 1032,
•3LZ between components 120 and 1032.
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.
Check that there are no external diesel leaks from the high pressure fuel circuit.
With the ignition on and the engine stopped for over 1 minute:
View parameter PR038 Rail pressure.
– If the pressure is below 90 bar, the sensor is in order.
– If the pressure is above 90 bar, contact the Techline.
EDC16CP33
Program No.: C4
VDiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
13B-347
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V12 MR-372-J84-13B300$121.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR041
CONTINUED
Sensor electrical conformity
Check the continuity and absence of interference resistance of the following connections:
•3LQ between components 120 and 1071,
•3LP between components 120 and 1071,
•3LN between components 120 and 1071.
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.
Vehicle with the ignition on, and the engine stopped for at least 1 minute:
Compare the values of PR041 Turbocharging pressure and PR035 Atmospheric pressure.
If the difference between PR041 and PR035 is greater than 0.1 bar,
check the value of PR035 by comparing it with the reading on a vehicle in the workshop which is correct.
If the value of PR035 is not correct (difference greater than 0.1 bar between the 2 vehicles), contact the Techline.
Otherwise (when the value of PR035 is correct), replace the turbocharger pressure sensor.
If the difference between PR041 and PR035 is less than 0.1 bar.
Start the engine, with the engine idling:
Compare the values of PR041 and PR035.
If the difference between PR041 and PR035 is greater than 0.2 bar.
Check the air inlet circuit:
Apply Test 4 Turbocharged air inlet circuit check.
Low and high pressure air circuit sealed and not obstructed: ducts, mounting clamps present and tightened,
turbocharging pressure sensor fitted, exchanger, etc.
Check that the damper valve is not jammed closed.
Repair if necessary.
EDC16CP33
Program No.: C4
VDiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
13B-350
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V12 MR-372-J84-13B300$121.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR051EGR VALVE POSITION FEEDBACK
PARAMETER
DEFINITIONThis parameter indicates the opening ratio of the EGR valve in %.
NOTESThere must be no present or stored faults.
Perform this fault finding procedure:
– after finding an inconsistency in the parameter,
– after a customer complaint (loss of power, smoke etc.).
– after interpretation of command AC103 EGR by-pass.
Use the Technical Note Wiring Diagram, Laguna II ph2, Vel Satis ph2, Mégane ll
ph2, Scénic ll ph2, Espace IV ph2.
Conformity check: Engine stopped and ignition on, or engine running, and engine coolant
temperature > 80°C
In the event of a fault, see the interpretation of faults DF209 EGR valve position sensor circuit and DF647 EGR
valve position regulation.
Sensor electrical conformity
Check the continuity and absence of interference resistance of the following connections:
•3JM between components 120 and 1460 or 169,
•3EL between components 120 and 1460 or 169,
•3GC between components 120 and 1460 or 169.
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.
EDC16CP33_V18_PR051 / EDC16CP33_V1C_PR051 / EDC16CP33_V54_PR051 / EDC16CP33_V20_PR051 / EDC16CP33_V58_PR051 /
EDC16CP33_V5C_PR051 / EDC16CP33_V24_PR051 / EDC16CP33_V04_PR051 / EDC16CP33_V08_PR051 / EDC16CP33_V44_PR051 /
EDC16CP33_V4C_PR051 / EDC16CP33_V34_PR051 / EDC16CP33_V38_PR051 / EDC16CP33_V74_PR051 / EDC16CP33_V28_PR051 /
EDC16CP33_V62_PR051 / EDC16CP33_V26_PR051 / EDC16CP33_V60_PR051
EDC16CP33
Program No.: C4
VDiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
13B-353
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V12 MR-372-J84-13B300$121.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR059INLET AIR TEMPERATURE
PARAMETER
DEFINITIONThis parameter indicates the air inlet temperature in °C.
NOTESThere must be no present or stored faults.
Perform this fault finding procedure:
– after finding an inconsistency in the parameter,
– after a customer complaint (e.g. lack of power).
Use the Technical Note Wiring Diagram, Laguna II ph2, Vel Satis ph2, Mégane ll
ph2, Scénic ll ph2, Espace IV ph2.
Conformity check: Engine stopped and ignition on
With the ignition on the inlet air temperature varies according to the exterior temperature.
In the event of a fault, consult the interpretation of fault DF002 Air temperature sensor circuit.
Parameter PR059 ≈ PR064 Coolant temperature engine cold.
Conformity check with the engine running and engine coolant temperature > 80°C
With the engine running at idle speed the inlet air temperature varies according to the engine coolant temperature.
In the event of a fault, refer to the interpretation of fault DF002.
EDC16CP33_V18_PR059 / EDC16CP33_V1C_PR059 / EDC16CP33_V54_PR059 / EDC16CP33_V20_PR059 / EDC16CP33_V58_PR059 /
EDC16CP33_V5C_PR059 / EDC16CP33_V24_PR059 / EDC16CP33_V04_PR059 / EDC16CP33_V08_PR059 / EDC16CP33_V44_PR059 /
EDC16CP33_V4C_PR059 / EDC16CP33_V34_PR059 / EDC16CP33_V38_PR059 / EDC16CP33_V74_PR059 / EDC16CP33_V28_PR059 /
EDC16CP33_V62_PR059 / EDC16CP33_V26_PR059 / EDC16CP33_V60_PR059
EDC16CP33
Program No.: C4
VDiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
13B-354
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V12 MR-372-J84-13B300$121.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR059
CONTINUED
Sensor electrical conformity
With the flow sensor disconnected, check the insulation from earth of the following connection:
•3ABQ between components 120 and 799.
Check the + 12 V after relay supply of the air flowmeter on the following connection:
•3FB of component 799.
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.
Measure the resistance between the following connections:
•3ABQ and 3DW of component 799.
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 resistances of the air flowmeter are not between:
8716 Ω < X < 9689 Ω (at - 10°C),
2353 Ω < X < 2544 Ω (at + 20°C),
794 Ω < X < 839 Ω (at + 50°C),
310 Ω < X < 321 Ω (at + 80°C),5497 Ω < X < Ω 6050 (at + 0°C),
1613 Ω < X < Ω 1730 (at + 30°C),
569 Ω < X < Ω 598 (at + 60°C),
234 Ω < X < Ω 242 (at + 90°C),3553 Ω < X < Ω 3875 (at +10°C),
1114 Ω < X < Ω 1186 (at +40°C),
418 Ω < X < Ω
436 (at +70°C),
replace the air flowmeter
EDC16CP33
Program No.: C4
VDiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
13B-356
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V12 MR-372-J84-13B300$121.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR063FUEL TEMPERATURE
PARAMETER
DEFINITIONThis parameter indicates the fuel temperature in °C.
NOTESThere must be no present or stored faults.
Perform this fault finding procedure:
– after finding an inconsistency in the parameter,
– after a customer complaint (e.g. lack of power).
Use the Technical Note Wiring Diagram, Laguna II ph2, Vel Satis ph2, Mégane ll
ph2, Scénic ll ph2, Espace IV ph2.
Conformity check: Engine stopped and ignition on, or engine running, and engine coolant
temperature > 80°C
The fuel temperature value must be between:
– 30°C < PR063 <90°C
PR063 = 100°C (default value).
In the event of a fault, consult the interpretation of fault DF098 Fuel temperature sensor circuit.
EDC16CP33_V18_PR063 / EDC16CP33_V1C_PR063 / EDC16CP33_V54_PR063 / EDC16CP33_V20_PR063 / EDC16CP33_V58_PR063 /
EDC16CP33_V5C_PR063 / EDC16CP33_V24_PR063 / EDC16CP33_V04_PR063 / EDC16CP33_V08_PR063 / EDC16CP33_V44_PR063 /
EDC16CP33_V4C_PR063 / EDC16CP33_V34_PR063 / EDC16CP33_V38_PR063 / EDC16CP33_V74_PR063 / EDC16CP33_V28_PR063 /
EDC16CP33_V62_PR063 / EDC16CP33_V26_PR063 / EDC16CP33_V60_PR063
EDC16CP33
Program No.: C4
VDiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74