2011 RENAULT SCENIC weight

13B-16
MR-372-J84-13B200$108.mif
V13
DIESEL INJECTION
Fault finding – System operation
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
Exhaust gas recirculation management
The exhaust gas recirculation system comprises a direct current EGR valve controlled by an H bridge in the
computer. This system has a built-in valve position feedback potentiometer.
The EGR valve is controlled in a closed loop on the change in the air flow measured by the flow sensor.
The potentiometer is used in the fault finding procedure for the EGR valve position.
Catalysed particle filter management:
The particle filter prevents the escape of carbon particles emitted by the engine but not yet removed from the
exhaust gases.
The particle filter is a microporous structure containing channels arranged so as to force-filter the exhaust gases.
The exhaust system consists of several components:
– an oxidation catalytic converter mounted after the turbocharger. This catalytic converter ensures that HC/CO
levels meet current standards by generating the heat (rise in exhaust temperature caused by catalysis) required
for particle filter regeneration,
– a catalysed particle filter located under the bodywork;
– A differential pressure sensor to inform the computer about the pressures upstream and downstream of the
particle filter and a temperature sensor upstream and downstream of the particle filter,
– a turbine upstream temperature sensor.
As the vehicle is being driven, the particle filter gets loaded with particles (soot). Using a given weight of soot
determined by computer mapping, regeneration mode can be triggered when the maximum weight of soot in the
particle filter is reached and the correct engine operating conditions are met (coolant temperature, etc.).
Particle filter regeneration consists of burning the particles of soot that have accumulated in the filter.
The differential pressure sensor measures the particle filter inlet/outlet pressure difference, this value makes it
possible to calculate the weight of soot present in the particle filter using computer mapping: (soot weight = pressure
differential depending on the exhaust volume flow rate).
If all the criteria are met, the computer enters regeneration mode. The injection programming is then adjusted in
order to raise the target exhaust gas temperature between 550 and 650°C.
This temperature allows the particles accumulated in the filter to be partially or completely burnt (regenerated).
Regeneration efficiency depends on the particle filter inlet temperature and the time spent in regeneration mode.
Regeneration may be automatically triggered when driving if the soot content is below:
Vdiag 58 and 5C: 74 g for Scénic II F9Q804
66 g for Mégane II F9Q804
66 g for Scénic F9Q803
Vdiag 50: 45 g for Scénic II and Mégane II
If the weight of soot is greater than the values above or if regeneration when driving has not been carried out, the
user will have to request an After-Sales regeneration.
Regeneration may be carried out automatically when driving if the weight of soot is less than 56 g and if the number
of regeneration attempts when driving is less than 10 (only for Vdiag 1C and 20).

13B-17
MR-372-J84-13B200$108.mif
V13
DIESEL INJECTION
Fault finding – System operation
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
If regeneration whilst driving has not been possible, the driver should request After-Sales regeneration in the
following cases:
– the soot weight is greater than 56 g for Vdiag 18.
– the soot weight is greater than 59 g or the number of failed regenerations is greater than 10 for Vdiag 1C
and 20.
This regeneration is carried out in the workshop. It is essential to follow the instructions described in the
interpretation of commands SC017 Particle filter regeneration. To carry out regeneration safely (see Te c h n i c a l
Note 5040A, Recommendations for particle filter regeneration).
Warning light management:
Instrument panel display
The computer manages the data display on the instrument panel relating to engine operation. This involves six
functions:
– the pre-postheating warning light,
– the coolant temperature warning light or warning message;
– the level 1 fault warning light (non-critical fault),
– the level 2 fault warning light (emergency stop),
– the OBD warning light (European On Board Diagnostic),
– particle filter warning message or light.
These six functions are represented by 4 or 5 warning lights and/or messages displayed by the trip computer.
In addition, for vehicles fitted with a voice synthesiser the illumination of some warning lights may be accompanied
by a spoken message (refer to the Driver's Handbook for the vehicle concerned).
A 3 second visual inspection (automatic test procedure managed by the instrument panel) is carried out by the
injection computer when the ignition is switched on.
Orange pre-post heating/non-critical fault SERVICE warning light (level 1)
This light is used both as an in-operation indicator light and as a system fault indicator:
– Continuously lit with + after ignition feed:
Indicates plug preheating (this light goes out when preheating is complete and the engine is able to start).
– Continuously lit accompanied by the message Check injection or Electronic fault:
Indicates a level 1 fault (involving operation of the injection system in defect mode).
The driver should carry out repairs as soon as possible. IMPORTANT
The particle filter must be replaced after a period of time which largely depends on the grade of engine oil used.
This information is provided in the vehicle's Driver's handbook.
After replacing the particle filter, it is essential to reconfigure certain parameters in the computer (see SC036
Reinitialise programming).

13B-18
MR-372-J84-13B200$108.mif
V13
DIESEL INJECTION
Fault finding – System operation
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
Temperature warning light/red EMERGENCY STOP (level 2)
This indicator light is used both as an in-operation indicator light and as a system fault warning light. It lights up for
3 seconds after the ignition is switched on (automatic test procedure managed by the instrument panel):
– Continuously or intermittently lit, accompanied by the message Engine overheating:
Indicates engine overheating (the driver is free to choose whether or not to stop the vehicle).
–For Vdiag 50, 58 and 5C: continuously lit, accompanied by the message faulty injection:
Indicates a level 2 fault (in this case, the injection is automatically cut after a few seconds).
The driver should carry out repairs as soon as possible.
–For Vdiag 18, 1C and 20: continuously lit, accompanied by the message Injection fault: stop the engine and by
a bleep, this indicates a level 2 fault.
In that case, the vehicle must be stopped immediately (when traffic conditions allow).
The driver should carry out repairs as soon as possible.
ORANGE OBD excess pollution warning light
An engine symbol accompanied by the message Check emission control.
This warning light comes on if the system has one or more OBD faults.
This warning light is used to alert the driver of any injection faults that could lead to excessive pollution, or if the
EOBD system has been deactivated.
The injection computer requests illumination of the OBD warning light for a present fault only after three consecutive
driving cycles.
If it flashes, reduce the engine speed until the flashing stops.
The driver should carry out repairs as soon as possible.
The 3 second visual inspection when the ignition is switched on (automatic test procedure managed by the
instrument panel) is carried out by the injection computer.
Special particle filter ORANGE warning light or warning message (depending on instrument panel)
– Vdiag 50, 58, 5C:
This warning light or message is used to warn the driver that the particle filter is clogged or a significant number of
failed regenerations while driving due to driving conditions not being favourable for regeneration.
Table of thresholds:
EnginePR383 Weight of soot in the
particle filterPR848 Number of failed
regenerations
Scénic II Mégane IIScénic II Mégane II
F9Q804 Vdiag 5035 35 3
F9Q803 Vdiag 58 and 5C50
7
F9Q804 Vdiag 58 and 5C58 50 7

13B-19
MR-372-J84-13B200$108.mif
V13
DIESEL INJECTION
Fault finding – System operation
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
– Vdiag 18, 1C, 20:
This warning light or message is used to warn the driver that the particle filter is loaded with particles. This happens
when the soot weight is greater than 46 g or the number of failed regenerations is greater than:
– 8 for Vdiag 18.
– 6 for Vdiag 1C and 20.
The driver must then drive as soon as possible at an average speed of 48 mph (80 km/h) subject to the road
conditions and authorised speed limits.
EOBD management. (European On Board Diagnostic):
The OBD (On Board Diagnostic) system permits the detection of any faults relating to the vehicle emission control
system (OBD EURO IV emission control standards being exceeded).
This system should be active for the entire life of the vehicle.
1. OBD fault display conditions
An OBD fault will be detected after 3 driving cycles and the following parameters will be saved in the computer:
– engine load,
– vehicle speed
– air temperature
– coolant temperature,
– turbocharging pressure,
– rail pressure,
– air flow,
– distance travelled in miles by the vehicle since activation of the OBD warning light.
It allows the driver to know whether the vehicle has a fault directly linked to the emission control system.

13B-25
MR-372-J84-13B200$144.mif
V13
DIESEL INJECTION
Fault finding – Replacement of components
EDC16
Program No: C1
Vdiag No: 18, 1C, 20,
50, 58, 5C
13B
REPLACING THE DAMPER VALVE
After replacing the damper valve, reconfigure the computer.
The system must be configured via the diagnostic socket using the RENAULT CLIP tool.
PROCEDURE to be followed after replacing the damper valve:
– Switch on the ignition.
– establish dialogue with the injection computer,
– run command SC036 Reinitialise programming,
–select Damper valve as the type of operation, then follow the instructions given by the diagnostic tool,
– switch off the ignition,
–wait 1 minute before switching on the ignition again,
– check that PR420 Damper valve error counter = 0,
– then check the system faults, and clear any stored faults,
– if there are faults, deal with the present faults,
– clear the faults from the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
End of operation.
REPLACING THE PARTICLE FILTER
After replacing the particle filter, reconfigure the computer.
The system must be configured via the diagnostic socket using the RENAULT CLIP tool.
PROCEDURE to be followed after replacing the particle filter:
– switch on the ignition,
– establish dialogue with the injection computer,
– run command SC036 Reinitialise programming,
–select After particle filter replacement as the type of operation, then follow the instructions given by the
diagnostic tool,
– switch off the ignition,
–wait 1 minute before switching on the ignition again,
– if there are faults, deal with the present faults,
– clear the faults from the computer memory.
– Check the weight of soot: PR383 Weight of soot in the particle filter.
– If PR383
≥ 1 g. Apply the procedure for test 8 Manual clearing of the soot weight.
Carry out a road test followed by another check with the diagnostic tool.
End of operation.

13B-131
MR-372-J84-13B200$360.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
* diff.: differential
*temp.: temperatureDF308
CONTINUED 1
The fault appears if the weight of soot contained in the particle filter exceeds:
– 74 g for Scénic II and 66 g for Mégane II Vdiag 58 and 5C
– 45g for Vdiag 50.
–56 g for Vdiag 18.
– 59 g for Vdiag 1C and 20.
Step 1:
Run TEST 2 Air path at the turbocharger.
If the air path is not correct:
– Repair the leak,
– replace the particle filter,
– run command SC036 Reinitialise programming (see Interpretation of commands) and select After
particle filter replacement.
– Clear fault DF308, if Present or Stored.
IMPORTANT: DF308 must be cleared within the 3 minutes following the last power latch.
– Check the weight of soot: PR383 Weight of soot in the particle filter.
– If PR383
≥ 1 g. Apply the procedure for test 8 Manual clearing of the soot weight.
If the air path is in order, go to Step 2.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.

13B-132
MR-372-J84-13B200$360.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
DF308
CONTINUED 2
Step 2:
Check whether one or more faults, in the list below, are present or stored.
If at least one exists:
–Deal with the present and stored faults,
– replace the particle filter,
–run command SC036 Reinitialise programming (see Interpretation of commands) and select "After
particle filter replacement".
– Clear fault DF308, if Present or Stored
IMPORTANT: DF308 must be cleared within the 3 minutes following the last power latch.
– Check the weight of soot: PR383 Weight of soot in the particle filter.
– If PR383
≥ 1 g. Apply the procedure for test 8 Manual clearing of the soot weight.
If no faults are present or stored, move on to step 3.
List of faults:
– DF001 Coolant temperature sensor circuit.
– DF003 Atmospheric pressure sensor circuit.
– DF011 Sensor supply voltage no. 1.
– DF013 Sensor supply voltage no. 3.
– DF038 Computer.
– DF039 Inlet air temperature sensor circuit.
– DF055 Turbocharging pressure regulation circuit, 1.DEF Pressure too low.
– DF056 Air flowmeter circuit.
– DF310 Particle filter upstream temp* sensor.
– DF315 Particle filter diff* pressure sensor.
– DF717 Particle filter upstream pressure.
– DF778 Turbine upstream temperature regulation.
– DF953 Particle filter absent.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.

13B-140
MR-372-J84-13B200$360.mif
V13
DIESEL INJECTION
Fault finding – Interpretation of faults
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
* diff: differentialDF312
CONTINUED 1
For MEGANE II and SCENIC II, the fault appears when the weight of soot contained in the particle filter is
greater than:
EnginePR383 Weight of soot in the particle
filterPR848 Number of failed regenerations
Scenic II Mégane II Scenic II Mégane II
F9Q803 Vdiag 5035 35 3
F9Q803 Vdiag
58 and 5C50 h7
F9Q804 Vdiag
58 and 5C58 50 7
For LAGUNA II, the fault appears when the weight of soot contained in the particle filter is greater than
46 g (Vdiag 18, 1C, 20 only) or:
– 8 failed regeneration attempts while driving for Vdiag 18
– 6 failed regeneration attempts while driving for Vdiag 1C and 20
–Run TEST 2 Air path at the turbocharger. Then continue fault finding by applying the following flow chart.
PA R T A
The flow chart on the following page allows analysis of the driving profile and the causes for the warning to come
on:
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.