air filter RENAULT SCENIC 2011 J95 / 3.G Engine And Peripherals EDC16 Manual Online

13B-325
MR-372-J84-13B200$828.mif
V13
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5CDIESEL INJECTION
Fault finding – Fault Finding Chart13B
ALP 6 Fuel system leaks
NOTESBefore dealing with this customer complaint, check that there are no faults, and
the conformity (or otherwise) of the parameters and statuses using the
diagnostic tool.
If the customer complaint is not eliminated, perform the following checks.
IMPORTANT
Please observe the cleanliness guidelines and safety advice.
Procedure for checking for an external leak on the fuel circuit:
Clean away traces of grease with clean thinner and wipe the part or parts concerned with cleaning cloths.
Start the engine and increase the engine coolant temperature to 80°C.
Stop the engine and check for traces of grease on the part or parts concerned.
If this is the case, replace the part or parts concerned.
Bleed the fuel circuit and continue the checks.
Does the priming bulb show traces of grease? (Visual
and tactile inspections)
(If there is a priming bulb)
NO
Does the diesel filter show traces of grease?
(Visual and tactile inspections)
NO
Do the fuel return pipes show traces of grease?
(Visual and tactile inspections)
NO
YESCheck the assembly
of the components
and the condition of
the seal at the union
of the two
components, if the
leak is at the seal.
Replace the part or
the parts concerned.
Bleed the fuel circuit
and continue the
checks.
YES
YES
AFTER REPAIRCarry out a road test followed by a complete check with the diagnostic tool.
EDC16_V50_ALP6/EDC16_V58_ALP6/EDC16_V5C_ALP6/EDC16_V18_ALP6/EDC16_V1C_ALP6/EDC16_V20_ALP6

13B-328
MR-372-J84-13B200$828.mif
V13
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5CDIESEL INJECTION
Fault finding – Fault Finding Chart13B
ALP 8 Oil leaks from the turbocharger
NOTESBefore dealing with this customer complaint, check that there are no faults, and
the conformity (or otherwise) of the parameters and statuses using the
diagnostic tool.
If the customer complaint is not eliminated, perform the following checks.
Check the area around the turbocharger
Note:
An oil leak does not correspond always to a turbocharger fault, the oil leak can arise from the area around the
turbocharger.
According to the vehicle type, maximum visual access will either be from above or from below.
1- Do not start the engine.
Check the area around the turbocharger and identify the origin of the leaks.
Clean the oil traces on the turbocharger.
2- start the engine and let it warm up for several minutes.
IMPORTANT
If the air filter was removed previously, refit it before starting the engine (risks foreign matter entering the air inlet
circuit).
Accelerate with no load several times, progressively increasing the duration before releasing the accelerator
pedal.
Visually inspect the exterior condition of the fuel supply pipes and the turbocharger oil return and the area around
it.
Identify the origin of the leaks.
Is an oil leak present at the air compressor inlet or outlet?
YES NO
Check the air compressor inlet or outlet
Check for a loose interface (inlet or outlet) that is the cause of
the air leak.
Note:
it is normal to find traces of oil inside the pipes at the
turbocharger inlet or outlet as the air passing into the
compressor is laden with oil from the engine rebreathing circuit.
Is the suspected interface properly tightened?
YES
Replace the pipe concerned (see MR 364 (Mégane II), 370 (Scénic II) or 395 (Laguna II), Mechanical, 12B,
Turbocharging).
NOTighten the interface or the
concerned pipe.
End of procedure.
AFTER REPAIRCarry out a road test followed by a complete check with the diagnostic tool.
EDC16_V50_ALP8/EDC16_V58_ALP8/EDC16_V5C_ALP8/EDC16_V18_ALP8/EDC16_V1C_ALP8/EDC16_V20_ALP8

13B-331
MR-372-J84-13B200$828.mif
V13
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5CDIESEL INJECTION
Fault finding – Fault Finding Chart13B
ALP 9 Particle filter warning light comes on too often
NOTESBefore dealing with this customer complaint, check that there are no faults
except DF312 Speed request and the conformity (or otherwise) of the
"parameters" and "status" using the diagnostic tool. Deal with the other faults
first.
If the customer complaint is not eliminated, perform the following checks.
Have the last 10 regeneration attempts failed?
Is the distance of PR412 Distance of last
successful regeneration less than all the
parameters of group 2? (PR794 to PR803
Regeneration failure record no. 1 to no. 10).
NO
Is at least one status for group 1 = STATUS4?
YES
YESAre all the regeneration
failures linked to engine cut-
off?
See parameter for the group
(ET706 Engine status record
no. 1 to ET715 Engine status
record no. 10)
(E.g.: ET706 STOPPED)
NO
Symptom
not
confirmed
YESOutput 1
NO
Check that there are
no leaks or
blockages in the
exhaust pipe,
Repair if necessary.
Carry out an After-
Sales regeneration if
not already
performed. To do
this, see SC017
Particle filter
regeneration in
Interpretation of
commands.
Output 2
AFTER REPAIRCarry out a road test followed by a complete check with the diagnostic tool.
EDC16_V50_ALP9/EDC16_V58_ALP9/EDC16_V5C_ALP9/EDC16_V18_ALP9/EDC16_V1C_ALP9/EDC16_V20_ALP9
A
B

13B-334
MR-372-J84-13B200$828.mif
V13
DIESEL INJECTION
Fault finding – Fault Finding Chart
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
ALP 9
CONTINUED 3
– Check the consistency between the IMA codes entered and the codes engraved on the injector bodies.
– Check that the particle filter differential pressure sensor is correctly positioned and connected (see MR 364
(Mégane II), 370 (Scénic II) or 395 (Laguna II), Mechanical, 19B Exhaust, Particle filter pressure sensor:
Removal – Refitting).
– Check the exhaust pipe (see test 1 Exhaust pipe check).
– Check the air inlet circuit (see test 4 Turbocharged air inlet circuit check).
– Check the air flowmeter (see test 5 Air flowmeter).
– Check the turbocharger (see test 2 Air line at the turbocharger, test 6 Turbocharger control solenoid
valve check and test 7 Turbocharger).
– Check the injectors (see test 9 Poor injector operation).
– Check the cylinder compression rates
If the fault has not been located and the customer complaint is still present, contact the Techline.
E
AFTER REPAIRCarry out a road test followed by a complete check with the diagnostic tool.

13B-335
MR-372-J84-13B200$828.mif
V13
DIESEL INJECTION
Fault finding – Fault Finding Chart
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
Analysis of output for ALP9 Particle filter warning light comes on too frequently
ALP 9
CONTINUED 4
Output
no. Output conditionCause – type of
drivingRegeneratio
n frequencyWhat to tell the
customer?
Output 1The last 10 regeneration
attempts have failed due to
the engine cutting out.Regeneration failures
caused by engine cut-
off.No
regeneration
frequency
analysis.Explain to the customer
the need to wait until the
end of regeneration
(warning light goes out)
before switching off the
engine.
Output 2The last 10 regeneration
attempts have failed but not
because of the engine cutting
out.Inappropriate driving
profile…No
regeneration
frequency
analysis.Explain again to the
customer the driving
criteria for when the
warning light comes on.
Output 3After successful
regenerations stored in the
memory, the warning light did
not come on. The interval
cannot be calculated.Since the last
successful regeneration
recordings, the driving
profile has been such
that the warning lights
have not come on.Should be
normalVehicle correct
Output 4The interval between a
successful regeneration and
the particle filter warning light
coming on is correct (above
the lowest possible values).
The system does not have
any irregular components.Unfavourable driving
(urban zone,
underspeed etc.)Normal Vehicle correct
AFTER REPAIRCarry out a road test followed by a complete check with the diagnostic tool.

13B-337
MR-372-J84-13B200$828.mif
V13
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5CDIESEL INJECTION
Fault finding – Fault Finding Chart13B
ALP 11 Exhaust fumes
Run TEST 2 Air line at the turbocharger.
Run TEST 6 Turbocharger control solenoid valve check.
Is the vehicle equipped with a particle filter?
NO YES
Start the engine and warm it up at idle speed for 10 minutes.
IMPORTANT
If the air filter was removed previously, refit it before starting the
engine (risks foreign matter entering the air inlet circuit).
Perform several rapid and brief accelerations under no load.
Note:
The presence of smoke is often normal.
The quantity, density, colour and persistence of the smoke are the
important factors.
Is the exhaust outlet producing abnormal smoke?
YES NO
Refer to TEST 7 Turbocharger. The turbocharger is not faulty. There is probably
another fault in the engine. Refer to the
corresponding TEST or fault finding chart
Perform the fault finding of the
"particle filter" function, refer to the
TESTS or corresponding ALP
AFTER REPAIRCarry out a road test followed by a complete check with the diagnostic tool.
EDC16_V50_ALP11/EDC16_V58_ALP11/EDC16_V5C_ALP11/EDC16_V18_ALP11/EDC16_V1C_ALP11/EDC16_V20_ALP11

13B-340
MR-372-J84-13B200$900.mif
V13
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5CDIESEL INJECTION
Fault finding – Tests13B
TEST 1
CONTINUED
Retighten the catalytic converter.
Loosen or uncouple the particle filter on the catalytic
converter side. Place a wooden block between the two
parts if necessary.
Start the vehicle and check if the engine runs better.
Is the engine running normally?Replace the catalytic converter.
Retighten the particle filter.
Loosen or uncouple the silencer on the particle filter side
(see MR 364 (Mégane II), 370 (Scénic II) or 395 (Laguna
II), Mechanical, 19B Exhaust, Parts and consumables
for repair).
Start the vehicle and check if the engine runs better.
Is the engine running normally?Replace the particle filter (see MR
364 (Mégane II), 370 (Scénic II) or
395 (Laguna II), Mechanical, 19B
Exhaust, Particle filter, Removal –
Refitting).
After any operation on the particle
filter, reinitialise the parameters.
Run command SC036 Reinitialise
programming and select After
particle filter replacement.
Check the weight of soot: if PR383
Weight of soot in the particle filter
≥ 1 g. Apply the procedure for test 8
Manual clearing of the soot weight.
Replace the silencer.
A
YES
NO
YES
NO
YES

13B-341
MR-372-J84-13B200$900.mif
V13
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5CDIESEL INJECTION
Fault finding – Tests13B
TEST 2 Turbocharger air chain
Check for the air filter
Check the replacement frequency for the air filter in the Maintenance Booklet.
Compare the part numbers of the air filter fitted to the vehicle and that of the air filter recommended by the
manufacturer.
Check the air filter direction of fitting.
Is the air filter fitted to the vehicle correct?
YES NO
Check the condition of the air filter
Visually inspect the condition of the filter section of
the air filter.
Is either the air filter or its seal damaged?
Is the air filter clogged (does it contain a lot of
impurities)?
NO
Low pressure circuit check
Note:
According to the vehicle type, maximum visual
access will either be from above or from below.
Visually inspect the condition of the following
components:
– fresh air inlet scoop on the front end panel of the
vehicle,
– air filter air inlet pipe,
– filter air pipe up to the compressor inlet,
– air flowmeter mountings.
Is one of these components incorrect
(disconnected, cut, bent, pierced or kinked
pipes)?
NO
YESReplace the air filter (see MR 364
(Mégane II), 370 (Scénic II) or 395
(Laguna II), Mechanical, 12A, Fuel
mixture, Air filter, Removal –
Refitting).
YESReplace the defective parts (see MR 364
(Mégane II), 370 (Scénic II) or 395
(Laguna II), Mechanical, 12B,
Turbocharging).
EDC16_V50_TEST2/EDC16_V58_TEST2/EDC16_V5C_TEST2/EDC16_V18_TEST2/EDC16_V1C_TEST2/EDC16_V20_TEST2

13B-343
MR-372-J84-13B200$900.mif
V13
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5CDIESEL INJECTION
Fault finding – Tests13B
TEST 3 Low pressure circuit check
Check the fuel filter:
– Conformity of the fuel filter (correct part number and RENAULT filter),
– Positioning and clogging condition of the filter cartridge,
– Positioning and condition of the seals.
If there is metal swarf in the filter:
Replace the fuel filter, bleed the circuit and continue the fault finding procedure.
Supplying the injection system with fuel from an additional tank.
This operation aims to detect possible faults in the low pressure supply system of a vehicle by replacing it entirely
with an additional tank.
Mode:
– Disconnect the diesel fuel supply pipe at the fuel filter inlet and seal it with a plug.
– Connect a tube to the fuel filter inlet and insert the other end into a clean container which is approximately
5 litres in volume.
– Disconnect the diesel fuel return pipe at the pump return and injector return joint and seal it with a plug.
– Fill the container with clean diesel fuel.
– Start the engine and let the system drain itself of its air (there must not be any air bubbles in the return pipe).
Is the customer complaint still present?
NO
YES
Are the low pressure circuit connections in order
and in good condition?
YES NO
If the low pressure circuit is in order, reconnect the various
pipes making up the low pressure circuit and repeat the
fault finding procedure in the fault finding chart or for the
fault that referred you to this test.
Carry out the necessary repairs.
EDC16_V50_TEST3/EDC16_V58_TEST3/EDC16_V5C_TEST3/EDC16_V18_TEST3/EDC16_V1C_TEST3/EDC16_V20_TEST3

13B-344
MR-372-J84-13B200$900.mif
V13
DIESEL INJECTION
Fault finding – Tests
EDC16
Program No.: C1
Vdiag no.: 18, 1C, 20,
50, 58, 5C
13B
TEST 3
CONTINUED
Check the condition of the priming bulb, and that it is working properly.
Perform repairs if necessary and continue the test.
If the fault is still present with a low fuel level, check the consistency of the actual fuel level and that indicated on
the instrument panel.
– The transfer pump is supplied via a venturi valve located beneath it.
Check that the opening of the venturi (6 to 8 mm in diameter) is not blocked by dirt contained in the fuel tank.
Check the priming of the low pressure diesel circuit.
Check the conformity of the fuel used by running test 11 Diesel fuel conformity check.
If the diesel fuel is not correct:
– Replace the diesel fuel.
– Change the diesel filter.
– Bleed the low and high pressure diesel circuit.
Low pressure circuit correct.
END OF TEST3.