13B-175
AFTER REPAIRDeal with any faults displayed by the diagnostic tool. Clear the computer fault
memory.
Carry out a road test followed by another check with the diagnostic tool.
V10 MR-372-J84-13B100$170.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
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).
See the Wiring diagrams Technical Note for the vehicle.
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, refer to the interpretation of fault DF008 Pedal potentiometer circuit gang 1 or DF009
Pedal potentiometer circuit gang 2.
Sensor electrical conformity
Check the continuity and absence of interference resistance of the following connections:
●connection code 3LR,
●connection code 3LS,
●connection code 3LT,
●connection code 3LU,
●connection code 3LW,
●connection code 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.
Pedal sensor connected, vehicle with ignition on and engine stopped:
–check the value of PR030:
●0% no load,
●100% full load,
●138% full load after kickdown point on pedal.
If the value is not correct, replace the accelerator pedal sensor, component code 921 (see MR 364 (Mégane II),
MR 370 (Scénic II), MR 385 (Modus), MR 392 (Clio III), MR 411 (New Twingo), MR 417 (Kangoo 2),
Mechanical, 37A, Mechanical component controls, Accelerator pedal: Removal - Refitting).
DCM1.2_V48_PR030/DCM1.2_V4C_PR030/DCM1.2_V50_PR030/DCM1.2_V54_PR030/DCM1.2_V58_PR030/DCM1.2_V5C_PR030
13B-180
AFTER REPAIRDeal with any faults displayed by the diagnostic tool. Clear the computer fault
memory.
Carry out a road test followed by another check with the diagnostic tool.
V10 MR-372-J84-13B100$170.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
PR051EGR VALVE POSITION FEEDBACK
PARAMETER
DEFINITIONThis parameter indicates the EGR valve opening ratio.
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.).
Special note:
Default value: 0%.
See the Wiring diagrams Technical Note for the vehicle.
Conformity check: Engine stopped and ignition on, or engine running and engine coolant
temperature > 80
°C
This parameter indicates the EGR valve opening ratio.
In the event of a fault, consult the interpretation of fault DF209 EGR valve position sensor circuit.
Sensor electrical conformity
Check for continuity and absence of interference resistance of the following connections:
●connection code 3JM,
●connection code 3EL,
●connection code 3GC,
●between components 120 and 1460.
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.
DCM1.2_V48_PR051/DCM1.2_V4C_PR051/DCM1.2_V50_PR051/DCM1.2_V54_PR051/DCM1.2_V58_PR051/DCM1.2_V5C_PR051
13B-183
AFTER REPAIRDeal with any faults displayed by the diagnostic tool. Clear the computer fault
memory.
Carry out a road test followed by another check with the diagnostic tool.
V10 MR-372-J84-13B100$170.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
PR063FUEL TEMPERATURE
PARAMETER
DEFINITIONThis parameter indicates the fuel temperature in °C.
NOTESSpecial notes:
Default value: 40
°C.
There 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).
See the Wiring diagrams Technical Note for the vehicle.
Conformity check: Engine stopped and the ignition on, or the engine running and the engine coolant
temperature > 80
°C
- 30
°C < PR063 < 90°C.
In the event of a fault, consult the interpretation of fault DF098 Fuel temperature sensor circuit.
Sensor electrical conformity
Check the continuity and absence of interference resistance of the following connections:
–Connection code 3FAB,
–Connection code 3LD,
–between components 120 and 1066.
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 connections 3FAB and 3LD of component 1066.
If its resistance is not:
3538 Ω < R < 4102 Ω at + 10
°C
1950 Ω < R < 2150 Ω at + 25
°C
763 Ω < R < 857 Ω at + 50
°C,
replace the fuel temperature sensor, component code 1066 (see MR 364 (Mégane II), MR 370 (Scénic II), MR
385 (Modus), MR 392 (Clio III), MR 411 (New Twingo), MR 417 (Kangoo 2), Mechanical, 13B, Diesel Injection,
Fuel temperature sensor: Removal - Refitting).
DCM1.2_V48_PR063/DCM1.2_V4C_PR063/DCM1.2_V50_PR063/DCM1.2_V54_PR063/DCM1.2_V58_PR063/DCM1.2_V5C_PR063
13B-189
AFTER REPAIRDeal with any faults displayed by the diagnostic tool. Clear the computer fault
memory.
Carry out a road test followed by another check with the diagnostic tool.
V10 MR-372-J84-13B100$170.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
PR089VEHICLE SPEED
PARAMETER
DEFINITIONThis parameter indicates the vehicle speed in mph (km/h).
NOTESSpecial notes:
This parameter is transmitted by the ABS computer or by the wheel speed computer.
This signal is transmitted to the injection on the multiplex network.
Conformity check: Engine stopped and ignition on, or engine running and engine coolant
temperature > 80
°C
In the event of a fault, carry out a multiplex network test (see 88B, Multiplexing)
Then a complete fault finding procedure of the ABS computer (see 38C, Antilock braking system) or VSU
(see 38G, Wheel speed computer).
DCM1.2_V48_PR089/DCM1.2_V4C_PR089/DCM1.2_V50_PR089/DCM1.2_V54_PR089/DCM1.2_V58_PR089/DCM1.2_V5C_PR089
13B-190
AFTER REPAIRDeal with any faults displayed by the diagnostic tool. Clear the computer fault
memory.
Carry out a road test followed by another check with the diagnostic tool.
V10 MR-372-J84-13B100$170.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
PR125POWER ABSORBED BY THE AIR CONDITIONING COMPRESSOR*
PARAMETER
DEFINITIONThis parameter indicates the power absorbed by the air conditioning compressor in W.
Conformity check: Engine stopped and ignition on, or engine running without electrical consumer,
and engine coolant temperature > 80
°C
PR125 = 0 W
Conformity check: With engine running and compressor activation request active
PR125 = 1200 W
DCM1.2_V48_PR125/DCM1.2_V4C_PR125/DCM1.2_V50_PR125/DCM1.2_V54_PR125/DCM1.2_V58_PR125/DCM1.2_V5C_PR125
13B-193
AFTER REPAIRDeal with any faults displayed by the diagnostic tool. Clear the computer fault
memory.
Carry out a road test followed by another check with the diagnostic tool.
V10 MR-372-J84-13B100$170.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
PR132
CONTINUED
Sensor electrical conformity
Test the air inlet circuit (from the air filter inlet to the inlet manifold tracts, run test 5 Inlet circuit check):
–air filter unit inlet not blocked and filter not clogged,
–oil vapour recirculation circuit connected correctly,
–low and high pressure air circuit sealed and not obstructed: ducts, mounting clamps present and tightened,
turbocharging pressure sensor fitted, exchanger, etc., run TEST 1 Low pressure circuit check and TEST 7
High pressure circuit sealing check
–check that the damper valve is not jammed closed.
Carry out the necessary repairs.
Check the electrical conformity of the air flowmeter:
Check the + 5 V supply of the air flowmeter on the following connection:
–3KJ of component 799.
Check the + 12 V after relay supply of the air flowmeter on the following connection:
–3FB (or 3FB3) of component 799.
Check the continuity and absence of interference resistance of the following connections:
–3DV,
–3DW, between components 120 and 799.
Flowmeter connected, vehicle ignition on and engine stopped:
Measure the voltage between connections 3DW and 3DV of component 799.
If the voltage is not between 0.3 V and 0.7 V, replace the air flowmeter, component code 799 (see MR 364 (Mégane
II), MR 370 (Scénic II), MR 385 (Modus), MR 392 (Clio III), MR 411 (New Twingo), MR 417 (Kangoo 2),
Mechanical, 12A, Fuel Mixture, Air Flowmeter: Removal - Refitting).
13B-221V10 MR-372-J84-13B100$190.mif
DIESEL INJECTION
Fault finding – Tests13B
DCM 1.2 Injection
Program No.: 4D
Vdiag No.: 48, 4C, 50,
54, 58, 5C
TEST 10
CONTINUED 2
Visual inspection of the electrical connector of the solenoid valve
Switch off the engine.
Note:
The requested checks are only visual.
1. Check that the connector is correctly connected and locked.
2. Check the absence of damage to the electric wires where they leave the insulation.
Disconnect the connector to continue the checks.
3. Check the absence of thermal damage to the unit and mechanical damage to the lock.
4. Check the absence of deformations of the contacts (clips and tabs).
5. Check the sealing of the connector.
Do the visual inspections show any damage?
Refer to Technical Note 6015A, Repairing electrical wiring.
B
NO
YES
A
C