2009 RENAULT TWINGO RS cooling

17B-29V7 MR-413-X44-17B000$070.mif
PETROL INJECTION
Fault finding – Role of components17B
SIM 32 Injection
Program no.: D3
Vdiag No.: 44, 4C, 50
and 54
3. INTERSYSTEM ENGINE FUNCTIONS
The intersystem connections relating to the particular requirements of the injection are as follows:
–The instrument panel computer requests illumination of the OBD warning light to warn of an emissions control fault.
–Requests illumination of the Severity level 1 warning light to warn of an operational safety fault related to the
injection system.
–Requests illumination of the Severity level 2 warning light to warn of an operational safety fault or engine
overheating.
–Requests activation of the fan assemblies (GMV) for engine cooling, but also for the air conditioning system and
sequential gearbox (BVR) functions.
–Request for air conditioning compressor switch-off for engine programming requirements such as starting,
performance, anti-stall, overspeed, etc.
–Passenger Compartment Heating Resistor cut-off or setting request for engine programming requirements such as
starting, performance, anti-stall, overspeed, etc.
–Request for gradual engagement of electrical consumers and to limit power: This last function is made possible by
the alternator being operated. This is used to improve the engine handling in critical operating phases, mainly when
idling and when starting. These requests are sent by the UCH via the CAN network where they are converted before
being sent to the alternator.

17B-43V7 MR-413-X44-17B000$131.mif
17B
SIM 32 Injection
Program no.: D3
Vdiag No.: 44, 4C, 50
and 54
* EOBD: European On Board Diagnostics
DF001
PRESENT
OR
STOREDCOOLANT TEMPERATURE SENSOR CIRCUIT
1.DEF: signal incoherence
2.DEF: abnormal voltage
3.DEF: EOBD*
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present when the ignition is switched on.
Special notes:
If the fault is present, the EOBD* warning light is illuminated and the low speed engine
cooling fan is permanently activated.
1.DEF: Consult the parameter PR064 Coolant temperature:
If the tool displays 120˚C, this indicates a short circuit to 12V or an open circuit.
If the tool displays - 40˚C, this indicates a short circuit to earth.
Use the Wiring Diagrams Technical Note for NEW TWINGO, E33, CLIO III,
or MODUS.
Check the condition of the connector of the coolant temperature sensor (component code 244) and of the engine
management computer (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.
Measure the resistance of the coolant temperature sensor, component code 244 between the connections 3C and
3JK:
●at 10˚C: 12030 Ω < X < 12890 Ω,
●at 25˚C: 2195 Ω < X < 2309 Ω,
●at 50˚C: 795.5 Ω < X < 826.5 Ω,
●at 80˚C: 279.3 Ω < X < 286.7 Ω.
If the coolant temperature sensor resistances are not correct, replace the coolant temperature sensor.
Check the insulation and continuity of the following connections:
●3C between components 120 and 244,
●3JK between the components 120 and 244.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the fault is still present, contact Techline.
SIM32_V44_DF001/SIM32_V4C_DF001/SIM32_V50_DF001/SIM32_V54_DF001
PETROL INJECTION
Fault finding – Interpretation of faults
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition, wait 1 minute and carry out a road test followed by a check with
the diagnostic tool.

17B-178V7 MR-413-X44-17B000$151.mif
PETROL INJECTION
Fault finding – Interpretation of statuses17B
SIM 32 Injection
Program no.: D3
Vdiag No.: 44, 4C, 50
and 54
ET022LOW-SPEED FAN REQUEST–Active
–Inactive
STATUS
DEFINITIONACTIVE: This status indicates that the low-speed fan assembly is active.
INACTIVE: This status indicates that the low-speed fan assembly is inactive.
NOTESSpecial notes:
Apply the checks only if statuses ACTIVE and INACTIVE are inconsistent.
Refer to the Wiring Diagrams Technical Note for NEW TWINGO, E33, CLIO III or
MODUS.
Conformity check: Engine stopped and ignition on, or engine running at idle speed, and engine coolant
temperature > 80˚C.
"ACTIVE"
or
"INACTIVE"To ensure cooling, when the engine is running, fan assembly 1 is activated when
the coolant temperature exceeds 99˚C and stops when it falls below 96˚C.
Sensor electrical conformity
SIM32_V44_ET022/SIM32_V4C_ET022/SIM32_V50_ET022/SIM32_V54_ET022
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
Repeat the conformity check from the start.

17B-215V7 MR-413-X44-17B000$152.mif
PETROL INJECTION
Fault finding – Interpretation of statuses17B
SIM 32 Injection
Program no.: D3
Vdiag No.: 44, 4C, 50
and 54
ET143LOW-SPEED FAN ASSEMBLY RELAY CONTROL
STATUS
DEFINITIONThis status indicates that the low-speed fan assembly relay is being actuated (ACTIVE)
or not (INACTIVE).
NOTESSpecial notes:
–Perform these checks if the parameters correspond with the system operation
programming.
–If the vehicle is equipped with air conditioning, the engine cooling fan will run at 1
st
speed as soon as the air conditioning compressor is activated.
There should be no fault detected on the coolant temperature sensor circuit when this
fault finding procedure is being carried out.
Conformity check with engine stopped and ignition on.
INACTIVEEngine cold and air conditioning switched off
In the event of a fault, consult the interpretation of fault DF559 Low-speed fan
assembly control.
Conformity check with the engine running and engine coolant temperature > 80˚C
ACTIVE
INACTIVEINACTIVE or ACTIVE, according to the engine temperature and the air conditioning
switched off
If there is a fault, refer to the interpretation of fault DF559.
SIM32_V44_ET143/SIM32_V4C_ET143/SIM32_V50_ET143/SIM32_V54_ET143
AFTER REPAIRCarry out a road test followed by a check with the diagnostic tool.