2011 RENAULT SCENIC charge circuit

13B-115V4 MR-372-J84-13B000$070.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DDCR INJECTION
Vdiag No.: 44, 48
PRE-HEATING/IGNITION SUB-FUNCTION:
NOTESOnly check conformity after a full check with the diagnostic tool.
The values shown in this conformity check are given as examples.
Application conditions: Engine off, ignition on.
FunctionParameter or Status
Check or actionDisplay and notes Fault finding
Coolant
temperaturePR064: Coolant
temperature.
Warm: 90°CIndicates the coolant temperature
in °C.
Default value: 80°CIn the event of a fault,
consult the
interpretation of
parameter PR064
Coolant temperature.
External air
temperaturePR061: External air
temperature.Gives the external air temperature
in °C. This parameter is controlled
by the UCH and transmitted to the
injection via the multiplex network.
Default value: 20°CIn the event of a fault,
apply the fault finding
procedure for this fault
described in the UCH
document.
Inlet air
temperature
(invalid for
K9K 728)PR059: Inlet air
temperature.
Cold = PR061
Warm: 30°CIndicates the inlet air temperature
in °C. This signal is provided by the
air temperature/pressure sensor.
Default value: 30°C.In the event of a fault,
refer to the
interpretation of
parameter PR059 Inlet
air temperature.
Battery voltage PR074: Battery voltage.12 V < PR074 < 14 VIf there is a fault, apply
the fault finding
procedure for the
"Charge circuit".

13B-147V4 MR-372-J84-13B000$120.mif
13B
DDCR INJECTION
Vdiag No.: 44, 48
*Technical Note 3419: Fault finding on the turbocharger for petrol and diesel engines
NOTESOnly consult these tests when dealing with a fault finding chart (ALP) or when
interpreting faults.
Low pressure circuit check TEST 1
Electrical circuit checkTEST 2
Injector checkTEST 3
Inlet circuit checkTEST 5
High pressure system check TEST 6
High pressure circuit sealing check TEST 7
Injector return flowTEST 8
Diesel filter checkTEST 9
Turbocharger solenoid valve checkTEST 10: Apply
TEST 4 of
Technical Note
3419*
Turbocharger air chainTEST 11
TurbochargerTEST 12: Apply
TEST 7 of
Technical Note
3419*
Diesel fuel conformity check TEST 13
DIESEL INJECTION
Fault finding – Tests

13B-149V4 MR-372-J84-13B000$120.mif
DIESEL INJECTION
Fault finding – Tests13B
DDCR INJECTION
Vdiag No.: 44, 48
TEST 2 Electrical circuit check
Check the battery charge and that the alternator is
operating correctly (see 87G, Engine compartment
connection unit for Mégane II or Scénic II).
Is the charging circuit in good order? Carry out the necessary repairs
Check the fuses.
Are the fuses correct? Carry out the necessary repairs
Check that the injection locking relay is operating
correctly.
Is the injection locking relay working properly? Carry out the necessary repairs
Check the engine earths.
Are the engine earths correct?Carry out the necessary repairs
The electrical circuit is in good order.
NO
YES
NO
YES
NO
YES
NO
YES
DDCR_V44_TEST02/DDCR_V48_TEST02

13B-160V4 MR-372-J84-13B000$120.mif
DIESEL INJECTION
Fault finding – Tests13B
DDCR INJECTION
Vdiag No.: 44, 48
TEST 11 Turbocharger air chain
Check for the air filter
Check the replacement interval of the air filter on 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?
Check the condition of the air filter
Visually inspect the condition of the filtering section of the air
filter.
Is either the air filter or its seal damaged?
Is the air filter fouled (does it contain a lot of impurities)?Replace the air filter (see MR 364
(Mégane II) or 370 (Scénic II),
Mechanical, 12A, Fuel mixture, Air
filter, Removal - Refitting).
Low pressure circuit check
Note:
Depending on the vehicle type, the best visual access will be
either from above or from below.
Visually inspect the condition of the following components:
– fresh air inlet scoop on the front panel of the vehicle,
– air inlet pipe to the air filter,
– air pipe of the filter until the compressor inlet,
– mountings of the air flowmeter.
Is one of these components incorrect (disconnected,
cut, bent, pierced or kinked pipes)?Replace the defective parts (see MR
364 (Mégane II) or 370 (Scénic II),
Mechanical, 12B, Turbocharging).
YESNO
YES
NO
YES
A
NO
DDCR_V44_TEST11/DDCR_V48_TEST11

13B-161V4 MR-372-J84-13B000$120.mif
DIESEL INJECTION
Fault finding – Tests13B
DDCR INJECTION
Vdiag No.: 44, 48
TEST 11
CONTINUED
High pressure circuit check
Note:
Depending on the vehicle type, the best visual access will be
either from above or from below.
Visually inspect the condition of the following components:
– the compressor outlet pipe to the turbocharging air cooler (the
turbocharging air cooler does not exist for all engines),
– outlet pipe of the turbocharging air cooler to the inlet manifold,
– inlet manifold,
– temperature and pressure sensors.
Is one of these components incorrect (disconnected, cut,
bent, pierced or kinked pipes)?Replace the defective parts (see
MR 364 (Mégane II) or 370 (Scénic
II), Mechanical, 12B,
Turbocharging).
Exhaust system check
Visually inspect the condition of the following engine sections:
– from the exhaust manifold circuit to the turbocharger turbine,
– from the turbine outlet pipe to the end of the exhaust pipe,
– from the inlet manifold to the EGR valve
– check that the temperature and pressure sensors are
connected.
Do some of these components have black or white marks on
them? Replace the defective parts (see
MR 364 (Mégane II) or 370 (Scénic
II), Mechanical, 12B,
Turbocharging).
Run TEST 10: Turbocharger control solenoid valve check.
A
NO
YES
NO
YES
NO

13B-177
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V4 MR-372-J84-13B000$140.mif
DIESEL INJECTION
Fault finding – Fault finding charts13B
InjectionDDCR
Vdiag No.: 44, 48
ALP8 Acceleration gap
NOTESOnly consult this customer complaint after a complete check with the diagnostic tool.
Check the air inlet circuit by running TEST 5 Inlet circuit check.
Is the compression in order? Carry out the necessary repairs.
Using the diagnostic tool, check that the injector codes (C2I) are correctly entered on the identification screen. If
not, configure the correct injector codes using command SC002 Enter injector codes.
Check that the turbocharger is working properly.
Run TEST 11 Air line at the turbocharger.
Run TEST 10 Turbocharger solenoid valve check.
Run TEST 12 Turbocharger.
Is the turbocharger in order?Carry out the necessary repairs.
Check the low pressure circuit by running TEST 1 Low pressure circuit check.
Check the injectors by running TEST 3 Injector check.
NO
YES
NO
YES
A
DDCR_V44_ALP08/DDCR_V48_ALP08

13B-184
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V4 MR-372-J84-13B000$140.mif
DIESEL INJECTION
Fault finding – Fault finding charts13B
InjectionDDCR
Vdiag No.: 44, 48
ALP11
CONTINUED
Check that the turbocharger is working properly.
Run TEST 11 Air line at the turbocharger.
Run TEST 10 Turbocharger solenoid valve check.
Run TEST 12 Turbocharger.
Are the components in good condition? Carry out the necessary repairs.
Check the low pressure circuit by running TEST 1 Low pressure circuit check.
Check the injectors by running TEST 3 Injector check.
Check the high pressure system by running TEST 6 High pressure system check.
Is the compression in order? Carry out the necessary repairs.
Is the valve clearance set correctly? Carry out the necessary repairs.
Contact the Techline if the customer complaint is still
present.
A
NO
NO
YES
NO
YES
NO
YES

13B-193
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V4 MR-372-J84-13B000$140.mif
DIESEL INJECTION
Fault finding – Fault finding charts13B
InjectionDDCR
Vdiag No.: 44, 48
ALP17 Blue, white or black smoke
NOTESOnly consult this customer complaint after a full check with the diagnostic tool.
Check that the fuel tank is correctly filled and that the fuel is correct by running TEST 13 Diesel fuel conformity
check.
Check the levels of engine oil and coolant.
Check that the engine has not sucked up its oil (engine racing).
Is the compression in order? Carry out the necessary repairs.
Check the electrical conformity of the heater plugs (the resistance value of the heater plug must be less than 2 Ω).
Is the catalytic converter clogged or damaged?Replace the catalytic converter (see MR 364
(Mégane II) or MR 370 (Scénic II), Mechanical,
19B, Exhaust, Catalytic converter: Removal -
Refitting).
Run TEST 5 Inlet circuit check.
Run TEST 11 Air line at the turbocharger.
Run TEST 10 Turbocharger solenoid valve check.
NO
YES
YES
NO
A
DDCR_V44_ALP17/DDCR_V48_ALP17