RENAULT SCENIC 2011 J95 / 3.G Engine And Peripherals EDC16 Workshop Manual

13B-221
MR-372-J84-13B200$612.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of parameters
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
PR015
ENGINE TORQUE
PARAMETER
DEFINITIONThis parameter indicates the engine torque in Nm.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system
operation programming.
Engine running, engine coolant temperature > 80°C.
The value must be between 20 N.m. < PR015 < 40 N.m.
This parameter is only valid when the engine is running.
AFTER REPAIRCarry out a road test followed by a check with the diagnostic tool.
EDC16_V50_PR015/EDC16_V58_PR015/EDC16_V5C_PR015/EDC16_V18_PR015/EDC16_V1C_PR015/EDC16_V20_PR015

13B-222
MR-372-J84-13B200$612.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of parameters
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
PR016
ALTERNATOR FLOW
PARAMETER
DEFINITIONThis parameter indicates the alternator flow in mA.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system
operation programming.
Conformity check with engine stopped and ignition on.
Ignition on: PR016 = 0 mA
In the event of a fault, check the charge circuit.
Conformity check with engine running, engine coolant temperature > 80°C.
Engine running: PR016 ≈ 1500 < PR016 < 2500 mA
With consumers: PR016 ≈ 2500 < PR016 < 3600 mA
In the event of a fault, check the charge circuit.
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
EDC16_V50_PR016/EDC16_V58_PR016/EDC16_V5C_PR016

13B-223
MR-372-J84-13B200$612.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of parameters
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
PR017
FUEL FLOW
PARAMETER
DEFINITIONThis parameter indicates the fuel flow in mg/st.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system
operation programming.
Conformity check with engine stopped and ignition on.
Ignition on: PR017 = PR157 “Fuel flow setpoint”
Conformity check with engine running, engine coolant temperature > 80°C.
Engine running: 0 < PR017 < 60 mg/st
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
EDC16_V50_PR017/EDC16_V58_PR017/EDC16_V5C_PR017/EDC16_V18_PR017/EDC16_V1C_PR017/EDC16_V20_PR017

13B-224
MR-372-J84-13B200$612.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of parameters
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
PR022
EGR VALVE POSITION FEEDBACK LOOP DIFFERENCE
PARAMETER
DEFINITIONThis parameter indicates the percentage difference between the setpoint and the EGR
valve position.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system
operation programming.
Conformity check with engine stopped and ignition on.
PR022 = PR005 EGR valve opening setpoint – PR051 EGR valve position feedback
In the event of a fault, consult the interpretation of fault DF118 EGR solenoid valve servo-control.
Conformity check with engine running, engine coolant temperature > 80°C.
PR022 = PR005 “EGR valve opening value required” – PR051 “EGR valve position feedback”
At idle speed the value should be close to 0.
In the event of a fault, consult the interpretation of fault DF118 EGR solenoid valve servo-control.
AFTER REPAIRCarry out a road test followed by a check with the diagnostic tool.
EDC16_V50_PR022/EDC16_V58_PR022/EDC16_V5C_PR022/EDC16_V18_PR022/EDC16_V1C_PR022/EDC16_V20_PR022

13B-225
MR-372-J84-13B200$612.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of parameters
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
PR030
ACCELERATOR PEDAL POSITION
PARAMETER
DEFINITIONThis parameter indicates the accelerator pedal position as a percentage.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system
operation programming.
No faults should be present or stored.
Perform this fault finding procedure:
– after finding an inconsistency in the parameter,
– after a customer complaint (e.g. lack of power).
Conformity check with 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 code3LW,
– connection code 3LV.
Between components 120 and 921.
If any of the connections are faulty and there is a repair method (see Technical Note 6015A, Electrical wiring
repair, Wiring: Precautions for repairs), repair the wiring; otherwise replace the wiring.
Pedal sensor connected, vehicle 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 pedal sensor.
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
EDC16_V50_PR030/EDC16_V58_PR030/EDC16_V5C_PR030/EDC16_V18_PR030/EDC16_V1C_PR030/EDC16_V20_PR030

13B-226
MR-372-J84-13B200$612.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of parameters
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
PR035
ATMOSPHERIC PRESSURE
PARAMETER
DEFINITIONThis parameter indicates the atmospheric pressure in mbar. The sensor is integrated in
the computer.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system
operation programming.
Conformity check with engine stopped and ignition on, or engine running, and engine coolant temperature
>80 °C.
The default value is: 750 mbar
In the event of a fault, consult the interpretation of DF003 Atmospheric pressure sensor circuit.
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
EDC16_V50_PR035/EDC16_V58_PR035/EDC16_V5C_PR035/EDC16_V18_PR035/EDC16_V1C_PR035/EDC16_V20_PR035

13B-227
MR-372-J84-13B200$612.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of parameters
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
PR037
REFRIGERANT PRESSURE
PARAMETER
DEFINITIONThis parameter indicates the atmospheric pressure in bar. The sensor is integrated in
the computer.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system
operation programming.
Conformity check with engine running, engine coolant temperature > 80°C.
The value must be between (Vdiag 50, 58 and 5C only):
1 bar < PR037 < 27 bar
In the event of a fault, refer to the interpretation of fault DF049 “Refrigerant sensor circuit”.
The value must be between (Vdiag 18, 1C and 20 only):
1 bar < PR037 < 40 bar
In the event of a fault test the multiplex network.
Conformity check with engine stopped and ignition on.
The value must be between (Vdiag 50, 58 and 5C only):
2 bar < PR037 < 27 bar
In the event of a fault, refer to the interpretation of fault DF049 “Refrigerant sensor circuit”.
AFTER REPAIRCarry out a road test followed by a check with the diagnostic tool.
EDC16_V50_PR037/EDC16_V58_PR037/EDC16_V5C_PR037/EDC16_V18_PR037/EDC16_V1C_PR037/EDC16_V20_PR037

13B-228
MR-372-J84-13B200$612.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of parameters
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
PR038
RAIL PRESSURE
PARAMETER
DEFINITIONThis parameter indicates the rail pressure in bar.
NOTESNo faults should be present or stored.
Perform this fault finding procedure:
– after finding an inconsistency in the parameter,
– after a customer complaint (starting faults, poor performance, stalling, etc.).
– after interpretation of command AC225 Rail pressure regulator.
Special notes:
Only perform these tests if the parameters do not correspond with the system
operation programming.
Conformity check with engine stopped and ignition on.
The rail pressure value is between:
0 < PR038 < 10 bar
Default value: 250 bar.
In the event of a fault, consult the interpretation of fault DF007 Rail pressure sensor circuit.
Conformity check with engine running, engine coolant temperature > 80°C.
The rail pressure value is (engine at idle speed):
PR038 = ~ 315 bar
Default value: 250 bar.
In the event of a fault, consult the interpretation of fault DF007 Rail pressure sensor circuit.
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
EDC16_V50_PR038/EDC16_V58_PR038/EDC16_V5C_PR038/EDC16_V18_PR038/EDC16_V1C_PR038/EDC16_V20_PR038

13B-229
MR-372-J84-13B200$612.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of parameters
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
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:
– connection code 3LX,
– connection code 3LY,
– connection code 3LZ.
Between components 120 and 1032.
If any of the connections are faulty and there is a repair method (see Technical Note 6015A, Electrical wiring
repair, Wiring: precautions for repairs), repair the wiring; otherwise replace the wiring.
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:
Display parameter PR038.
– If the pressure is below 90 bar, the sensor is in order.
– If the pressure is above 90 bar, contact the Techline.
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.

13B-230
MR-372-J84-13B200$612.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of parameters
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
PR041
TURBOCHARGING PRESSURE
PARAMETER
DEFINITIONThis parameter indicates the turbocharging pressure in mbar.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system
operation programming.
Conformity check with engine stopped and ignition on, or engine running, and engine coolant temperature
>80 °C.
The turbocharging pressure value is:
PR041 = PR035 “Atmospheric pressure” ± 10 mbar
In the event of a fault, apply the interpretation of DF004 Turbocharging pressure sensor circuit.
Sensor electrical conformity.
Check the continuity and absence of interference resistance on the following connections:
For Mégane II and Scénic II:
– connection code 3LQ,
– connection code 3LP,
– connection code 3LN.
Between components 120 and 1071.
For Laguna II:
– connection code 3LQ,
– connection code 3LP,
– connection code 3LN.
Between components 120 and 1474.
If any of the connections are faulty and there is a repair method (see Technical Note 6015A, Electrical wiring
repair, Wiring: precautions for repairs), repair the wiring; otherwise replace the wiring.
AFTER REPAIRCarry out a road test followed by a check with the diagnostic tool.
EDC16_V50_PR041/EDC16_V58_PR041/EDC16_V5C_PR041/EDC16_V18_PR041/EDC16_V1C_PR041/EDC16_V20_PR041