2011 RENAULT SCENIC fuel pressure

13B-160
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition until the end of the power-latch phase, and carry out a road test
followed by a check using the diagnostic tool.
V9 MR-372-J84-13B450$103.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DF293
CONTINUED
Make sure that there is no water in the diesel filter.
Bleed the diesel filter and the low and high pressure diesel circuits, if necessary (see MR 364 (Mégane) or 370
(Scénic), Mechanical, 13A, Fuel supply, and 13B, Diesel injection).
If the diesel filter contains a large amount of water, apply the first part of the Test 11: Diesel fuel conformity check
(Is the fuel cloudy or does it separate into 2 parts?)
Start the engine and wait at least 1 minute to confirm the repair.
If the fault was stored but not present, carry out a road test (see Note).
If the fault does not reappear, end of fault finding procedure.
Check the continuity, insulation and the absence of interference resistance of the following connection:
– Connection code 3WT between components 414 and 120.
Check the +12 V after relay feed of the water detection sensor:
– Connection code3FB of component414.
Check the earth of the water detection sensor:
– Connection code NT of component 414.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
– Start the engine and wait at least 1 minute to confirm the repair.
Check the conformity of the fuel used by running test 11 Diesel fuel conformity check.
If none of these checks reveal any faults:
– Replace the water detection sensor,
– clear the fault,
– start the engine and wait at least 1 minute to confirm the repair.
Note:
When the water level in the fuel filter unit is below the sensor's electrodes, some driving conditions (cornering,
gradients) may result in water being detected (in fact, the sensor's off-centre position in the fuel filter unit, combined
with the driving conditions, causes water to be detected).
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-259V9 MR-372-J84-13B450$140.mif
13B
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58
* OCR: Opening cycle ratioTool parameter Diagnostic tool title
PR002Alternator charge
PR005EGR valve opening setpoint
PR006Rail pressure regulator current
PR007Rail pressure regulator current setpoint
PR008Rail reference pressure
PR009Turbocharging pressure setpoint
PR015Engine torque
PR017Fuel flow
PR022EGR valve position feedback loop difference
PR025Mileage
PR030Accelerator pedal position
PR035Atmospheric pressure
PR037Refrigerant pressure
PR038Rail pressure
PR041Turbocharging pressure
PR045Power requested by heating elements
PR047Turbocharging pressure OCR*
PR048OCR* Rail pressure regulation valve
PR051EGR valve position feedback
PR053Engine speed requested by air conditioning
PR054Engine speed requested by heating elements
PR055Engine speed
PR058Air temperature
PR063Fuel temperature
PR064Coolant temperature
PR066Oil temperature
PR071Computer feed voltage
PR073Air flowmeter supply voltage
DIESEL INJECTION
Fault finding – Parameter summary table

13B-260V9 MR-372-J84-13B450$140.mif
DIESEL INJECTION
Fault finding – Parameter summary table13B
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58
Tool parameter Diagnostic tool title
PR076Refrigerant sensor voltage
PR077EGR valve position sensor voltage
PR079Atmospheric pressure sensor voltage
PR080Rail pressure sensor voltage
PR082Fuel temperature sensor voltage
PR083Air temperature sensor voltage
PR084Coolant temperature sensor voltage.
PR086Pedal potentiometer voltage gang 1
PR088Pedal potentiometer gang 2 voltage
PR089Vehicle speed
PR128First EGR valve offset
PR129Last EGR valve offset
PR130Cruise control setpoint
PR131EGR air flow difference
PR132Air flow
PR146Inlet air flow
PR157Fuel flow setpoint
PR171Air flow setpoint for EGR
PR190Engine idle speed setpoint.
PR209Turbocharging pressure loop difference
PR213Rail pressure loop difference
PR224Turbocharging pressure sensor voltage
PR358Sensor reference voltage
PR364Cylinder no. 1 fuel flow correction
PR365Cylinder no. 4 fuel flow correction
PR381Particle filter downstream temperature
PR382Particle filter upstream temperature
PR383Weight of soot in the particle filter

13B-261V9 MR-372-J84-13B450$140.mif
DIESEL INJECTION
Fault finding – Parameter summary table13B
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58
* diff: differential
* temp: temperatureTool parameter Diagnostic tool title
PR385Exhaust pipe flow
PR391Mileage since particle filter replacement
PR405Cylinder no. 2 fuel flow correction
PR406Cylinder no. 3 fuel flow correction
PR412Mileage at last successful regeneration
PR414Particle filter pressure diff.*
PR415Time since last regeneration
PR420Damper valve error counter
PR667Turbine upstream temperature
PR668Turbine upstream temperature sensor voltage
PR672Damper valve position setpoint
PR747Damper valve position
PR777Richness ratio sensor voltage
PR778Richness ratio sensor temp.*
PR779Richness ratio
PR784DF312 recording No. 1
PR785DF312 recording No. 2
PR786DF312 recording No. 3
PR787DF312 recording No. 4
PR788DF312 recording No. 5
PR789DF312 recording No. 6
PR790DF312 recording No. 7
PR791DF312 recording No. 8
PR792DF312 recording No. 9
PR793DF312 recording No. 10
PR794Stored regeneration failure no. 1
PR795Stored regeneration failure no. 2
PR796Stored regeneration failure no. 3

13B-270
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V9 MR-372-J84-13B450$151.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR017FUEL 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
PR017 = 0 mg/st.
If there is a fault, consult the interpretation of fault DF643 Rail pressure regulator circuit.
Conformity check with engine running, engine coolant temperature > 80°C
PR017 = PR157 Fuel flow setpoint.
If there is a fault, consult the interpretation of fault DF643 Rail pressure regulator circuit.
EDC16C36_V44_PR017/EDC16C36_V4C_PR017/EDC16C36_V48_PR017/EDC16C36_V50_PR017/EDC16C36_V54_PR017/
EDC16C36_V58_PR017EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-277
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V9 MR-372-J84-13B450$151.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR038
CONTINUED
Sensor electrical conformity
Check the status of the connector of the rail pressure sensor (see Wiring Diagram Technical Note, Mégane II
ph2, Scénic II ph2, Component code 1032).
Check the status of the connector of the rail pressure sensor (see Wiring Diagram Technical Note, Mégane II
ph2, Scénic II ph2, Component code 120).
If the connector or connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Check the continuity and absence of interference resistance on 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 is no external diesel leak 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.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-311V9 MR-372-J84-13B450$152.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR157FUEL FLOW SETPOINT
PARAMETER
DEFINITIONThis parameter indicates the fuel flow setpoint 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: 0.0 mg/st.
In the event of a fault, refer to the interpretation of fault DF643 Rail pressure regulator circuit.
Conformity check with engine running, engine coolant temperature > 80°C
Engine running: PR017: Fuel flow = PR157.
In the event of a fault, refer to the interpretation of fault DF643 Rail pressure regulator circuit.
EDC16C36_V44_PR157/EDC16C36_V4C_PR157/EDC16C36_V48_PR157/EDC16C36_V50_PR157/EDC16C36_V54_PR157/
EDC16C36_V58_PR157
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58

13B-350V9 MR-372-J84-13B450$160.mif
13B
EDC16 C36
Program No.: 91
Vdiag No.: 44, 4C, 48,
50, 54, 58
Tool
commandDiagnostic tool title comments
SC001Write saved data See Interpretation of commands.
SC002Enter injector codes See Interpretation of commands.
SC003Save computer data See Interpretation of commands.
SC017Particle filter regeneration See Interpretation of commands.
SC031Operational fault finding of cylinders See Interpretation of commands.
SC035High pressure fuel circuit fault finding See Interpretation of commands.
SC036Reinitialise programming See Interpretation of commands.
RZ001Fault memory See Interpretation of commands.
RZ005Programming See Interpretation of commands.
RZ034Computer memory See Interpretation of commands.
LC009Air conditioning See configuration and programming.
LC056Heating elements See configuration and programming.
LC065Water in diesel fuel sensor See configuration and programming.
LC120Cruise control See configuration and programming.
LC121Speed limiter See configuration and programming.
AC004Turbocharging solenoid valve See Interpretation of commands.
AC011Rail pressure regulator See Interpretation of commands.
AC012Damper valve See Interpretation of commands.
AC037Preheating relay See Interpretation of commands.
AC038Low speed GMV relay See Interpretation of commands.
AC039High speed GMV relay See Interpretation of commands.
AC103EGR by-pass See Interpretation of commands.
AC231Richness ratio sensor heating See Interpretation of commands.
VP010Write VIN See Interpretation of commands.
VP036Fuel supply inhibited See
Interpretation of commands.
VP037Lift fuel supply inhibition See Interpretation of commands.
DIESEL INJECTION
Fault finding – Command summary table