cooling RENAULT SCENIC 2009 J84 / 2.G Engine And Peripherals EDC16 Workshop Manual

DIESEL INJECTION
Fault finding – Interpretation of faults13B
13B-53V3 MR-372-J84-13B250$315.mif
EDC16
PROGRAM No.: C1
Vdiag No.: 51
DF015
PRESENT
OR
STOREDMAIN RELAY control CIRCUIT
1.DEF : Relay cut off too soon
2.DEF : Relay cut off too late
NOTESConditions for applying the fault finding procedure to stored faults:
Only deal with this fault if it is stored.
Special notes:
The injection control unit supply relay (50A) is located on the relay plate in the
engine connection unit, under the Protection and Switching Unit.
If the fault is present, the level 1 warning light is lit.
Use bornier Ele. 1681 or Ele. 1590 for any operation on the injection computer
connectors.
Check the Protection and Switching Unit connections.
Check the injection computer connections.
Repair if necessary.
Check the condition of the battery terminals making sure they are correctly tightened.
Check the condition of the injection supply relay and its mounting.
Check the 5D (5A) + after ignition feed injection fuse located on the UPC.
Repair if necessary.
Check the continuity, and absence of interference resistance of the following connection:
Injection computer brown 48-track connector B
track E1Track 2 injection supply relay mounting
Repair if necessary.
If the fault is still present, contact the Techline.
IMPORTANT!WARNING
If the UPC does not detect the injection computer frames the engine fan assembly 1
will be switched on until the battery is completely discharged.
In the event that engine cooling fan 1 is not working, GMV 2 will be supplied.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V51_DF015

DIESEL INJECTION
Fault finding – Conformity check13B
13B - 143V3 MR-372-J84-13B250$450.mif
EDC16
PROGRAM NO.: C1
Vdiag No.: 51
ENGINE COOLING
NOTESOnly check conformity after a complete check using the diagnostic tool. The values
shown in this conformity check are given as a guide.
Test conditions: ENGINE OFF, IGNITION ON.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
1Coolant
temperaturePR064:Coolant
temperatureShows the engine
coolant temperature
in ˚C
Default value: 119 ˚CIn the event of a fault, refer
to the interpretation of
DF001 Coolant
temperature sensor
circuit.
2Fan assembliesET021:Low speed fan
assembly
requestWith the ignition
switched on, engine
< 80˚
INACTIVEIf the fan units are
supplied with the ignition
on, the injection may be in
defect mode.
Carry out a system fault
test and refer to the
interpretation of faults. ET022:High speed fan
assembly
request
ET014:Monitor cooling
fan 1With the ignition
switched on, engine
< 80˚
STOPPED ET015:Monitor cooling
fan 2
3Sensor feedPR084:Coolant
temperature
sensor voltage3 < X < 4 V
Safe value: 5 VIn the event of a fault, refer
to the interpretation of
DF001 Coolant
temperature sensor
circuit.

DIESEL INJECTION
Fault finding – Conformity check13B
13B - 144V3 MR-372-J84-13B250$450.mif
EDC16
PROGRAM NO.: C1
Vdiag No.: 51
COLD LOOP
*Air Conditioning
NOTESOnly check conformity after a complete check using the diagnostic tool. The values
shown in this conformity check are given as a guide.
Test conditions: ENGINE OFF, IGNITION ON.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
1EnginePR055:Engine speedGives the engine speed
of rotation in rpmIn the event of a fault, refer
to the interpretation for
fault DF005 Engine
speed sensor circuit.
2Driver controlET088:Compressor
actuation requestINACTIVEIf the air conditioning is
authorised or the
compressor actuated
see 62A air
conditioning. ET004:Air conditioning
authorisationNO
3Air conditioning
speedPR053:Speed requested
by air conditioningThis parameter is only
valid when the engine has
been started
4OutputPR125:Power absorbed
by the air
conditioning
compressor*0 WNone
5Engine coolingET022:Low speed fan
assembly requestWith the ignition
switched on, engine
< 80˚
INACTIVEIf the fan assemblies are
supplied with ignition on,
the injection system may
be in defect mode.
Carry out a system fault
test and refer to the
interpretation of any
faults. ET021:High speed fan
assembly request
ET014:Monitor cooling
fan 1With the ignition
switched on, engine
< 80˚
STOPPED ET015:Monitor cooling
fan 2

DIESEL INJECTION
Fault finding – Conformity check13B
13B - 162V3 MR-372-J84-13B250$540.mif
EDC16
PROGRAM NO.: C1
Vdiag No.: 51DIESEL INJECTION
Fault finding – Conformity check
ENGINE COOLING
NOTESOnly check conformity after a complete check using the diagnostic tool. The values
shown in this conformity check are given as a guide.
Test Conditions: ENGINE AT IDLE SPEED, COOLANT TEMPERATURE > 80 ˚C.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
1Coolant
temperaturePR064:Coolant
temperatureShows the engine
coolant temperature
in ˚C
Default value: 119 ˚CIn the event of a fault, refer
to the interpretation of
DF001 Coolant
temperature sensor
circuit.
2Fan assembliesET022:Low speed fan
assembly
requestACTIVE if air
conditioning request
If the fan units are
supplied with the ignition
on, the injection may be in
defect mode.
Carry out a system fault
test and refer to the
interpretation of faults. ET021:High speed fan
assembly
requestINACTIVE
ET014:Monitor cooling
fan 1RUNNING if air
conditioning
requested
ET015:Monitor cooling
fan 2STOPPED
3Sensor feedPR084:Coolant
temperature
sensor voltage1 < X < 2 V
Safe value: 5 VIn the event of a fault, refer
to the interpretation of
DF001 Coolant
temperature sensor
circuit.
4Electric coolant
pump
(turbocharger)ET589:Electric coolant
pump control
(turbocharger)INACTIVE (command
"ACTIVE" only with
engine running and
with high temperature).In the event of a fault,
apply command AC195
Electric coolant pump.
MR-372-J84-13B250$540.mif

DIESEL INJECTION
Fault finding – Conformity check13B
13B - 163V3 MR-372-J84-13B250$540.mif
EDC16
PROGRAM NO.: C1
Vdiag No.: 51
COLD LOOP
NOTESOnly check conformity after a complete check using the diagnostic tool. The values
shown in this conformity check are given as a guide.
Test Conditions: ENGINE AT IDLE SPEED, COOLANT TEMPERATURE > 80 ˚C.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
1EnginePR055:Engine speedGives the engine's
speed in rpmIn the event of a fault, refer
to the interpretation for
fault DF005 Engine
speed sensor circuit.
2Driver controlET088:Compressor
actuation requestACTIVE if air
conditioning requestIf the air conditioning is
authorised or the
compressor is actuated
(see 62A Air
conditioning). ET004:Air conditioning
authorisationYES if air
conditioning request
3Air conditioning
speedPR053:Speed requested
by air
conditioning875 rpm
according to the
computer programThis parameter is only
valid when the engine has
been started
4OutputPR125:Power absorbed
by the air
conditioning
compressorIndicates the power
absorbed by the air
conditioning
compressorThis parameter is only
valid when the engine has
been started
5Engine coolingET021:Low speed fan
assembly
requestACTIVE if air
conditioning request
If the fan assemblies are
supplied with ignition on,
the injection system may
be in defect mode.
Carry out a system fault
test and refer to the
interpretation of any
faults. ET022:High speed fan
assembly
requestINACTIVE
ET014:Monitor cooling
fan 1RUNNING if air
conditioning
requested
ET015:Monitor cooling
fan 2STOPPED

DIESEL INJECTION
Fault finding – Status summary table13B
13B - 171V3 MR-372-J84-13B250$585.mif
EDC16
PROGRAM NO.: C1
Vdiag No.: 51DIESEL INJECTION
Fault finding – Status summary table
Tool status Diagnostic tool title
ET001+ After ignition computer feed
ET003Engine immobiliser
ET004Air conditioning authorisation
ET007Preheating unit control
ET014Monitor cooling fan 1
ET015Monitor cooling fan 2
ET021High speed fan assembly request
ET022Low speed fan assembly request
ET038Engine
ET042Cruise control/speed limiter
ET076Starting
ET077Impact detected
ET079Air conditioning present
ET088Compressor actuation request
ET104Injector code use
ET111Set number of passenger compartment heating resistors (RCH)
ET112Passenger compartment heating resistor cut-off
ET123Brake contact signal no. 2
ET233Clutch pedal
ET238Synchronisation
ET341Immobiliser code programmed
ET405Clutch pedal switch
ET415Deactivation of cruise control/speed limiter
ET589Electric coolant pump control (turbocharger)
ET651EGR programming cut-off
ET703Cruise control/speed limiter buttons
ET704Brake switch no. 1
ET705Brake switch no. 2
MR-372-J84-13B250$585.mif

DIESEL INJECTION
Fault finding – Interpretation of statuses13B
13B - 176V3 MR-372-J84-13B250$630.mif
EDC16
PROGRAM NO.: C1
Vdiag No.: 51
ET014
CHECK COOLING FAN 1
NOTESSpecial notes:
Only perform these tests if the statuses do not correspond with the system
programming functions.
NOTE:
Status ET014 test and status ET022 GMV1 low speed request change their status at the same time.
RUNNING
The low-speed engine fan unit is supplied in three scenarios:
–the engine coolant temperature is above 89 ˚C;
–the air conditioning is operating
–the injection computer has system faults that could lead to the engine overheating.
When the low-speed engine fan is supplied:
–status ET014 GMV 1 test becomes RUNNING status ET022 Low speed GMV
request becomes ACTIVE.
If the low speed GMV does not work (see 87G, engine compartment connection unit).
The low-speed engine fan assembly stops when:
–the engine coolant temperature is below 89 ˚C;
–the air conditioning is not switched on by the driver.
STOPPED
IMPORTANTWARNING
If the UPC does not detect the injection computer frames, the low speed engine
fan is supplied until the battery is completely discharged.
In the event that the low-speed engine fan assembly is faulty, the high-speed
engine fan assembly will then be activated.
AFTER REPAIRCarry out a road test followed by a complete test with the diagnostic tool.
EDC16_V51_ET014

DIESEL INJECTION
Fault finding – Interpretation of statuses13B
13B - 177V3 MR-372-J84-13B250$630.mif
STOPPED
EDC16
PROGRAM NO.: C1
Vdiag No.: 51
ET015
CHECK COOLING FAN 2
NOTESSpecial notes:
Only perform these tests if the statuses do not correspond with the system
programming functions.
NOTE:
Status ET015 GMV 2 test and status ET021 High speed GMV request change their status at the same time.
RUNNING
The engine fan assembly can be supplied when:
–the engine coolant temperature is above 99 ˚C.
–the injection computer has system faults that could lead to the engine overheating.
When the high speed fan is supplied:
–status ET015 GMV 2 test becomes RUNNING and status ET021 High speed GMV
request becomes ACTIVE.
The high-speed engine fan assembly stops when:
–the engine coolant temperature is below 99 ˚C;
IMPORTANTWARNING
If the UPC does not detect the injection computer frames, the low speed engine
fan is supplied until the battery is completely discharged.
In the event that the low-speed engine fan assembly is faulty, the high-speed
engine fan assembly will then be activated.
AFTER REPAIRCarry out a road test followed by a complete test with the diagnostic tool.
EDC16_V51_ET015

DIESEL INJECTION
Fault finding – Test13B
13B -252V3 MR-372-J84-13B250$900.mif
EDC16
PROGRAM No.: C1
Vdiag No.: 51
TEST6 Turbocharger
IMPORTANT
Perform these checks without removing the turbocharger and with the vehicle ignition switched off.
Check the turbocharger shaft
WARNING
Respect the following safety precautions:
–wear heat resistant gloves when the engine is hot,
–do not wear loose or baggy clothing and do not wear loose hanging jewellery,
–be aware that the cooling fan assembly may be triggered and pay attention to the operation of the accessories
belt or belts.
Note:
The turbocharger shaft is the shaft connecting the compressor wheel and the turbine wheel.
According to the vehicle type, maximum visual access will either be from above or from below.
Disconnect the air pipe located between the turbocharger and the air filter.
Wearing gloves, check the operation of the turbocharger shaft by turning the vanes manually without forcing.
Is there a point of resistance when the shaft is rotated?
Does the compressor wheel touch the turbocharger housing?
If for these 2 questions the response is NOIf YES for one of these 2 questions
Replace the turbocharger (see MR 364 (Mégane II) or
370 (Scénic II), Mechanical, 12B, Turbocharging,
Turbocharger: Removal - Refitting and Technical
Note 3938A, Broken turbocharger: Replacement
instructions).
EDC16_V51_TEST6