check engine RENAULT TWINGO 2009 2.G Electrical Equipment - Petrol Injection Workshop Manual

17B-267V7 MR-413-X44-17B000$171.mif
PETROL INJECTION
Fault finding – Interpretation of parameters17B
SIM 32 Injection
Program no.: D3
Vdiag No.: 44, 4C, 50
and 54
PR018ESTIMATED AIR FLOW
PARAMETER
DEFINITIONThis parameter indicates the inlet air flow in kg/h.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system operation
programming.
There must be no faults present.
Perform this fault finding procedure:
–after finding an inconsistency in the parameter,
–or after a customer complaint (lack of power, smoke etc.).
Conformity check with engine stopped and ignition on.
Indicates the inlet air flow in kg/h.
The value should be:
X = 0 kg/h
Conformity check with the engine running and engine coolant temperature > 80˚C
Indicates the inlet air flow in kg/h.
The value should be:
X ≈ 7 kg/h
SIM32_V44_PR018/SIM32_V4C_PR018/SIM32_V50_PR018/SIM32_V54_PR018
AFTER REPAIRCarry out a road test followed by a check with the diagnostic tool.

17B-268V7 MR-413-X44-17B000$171.mif
PETROL INJECTION
Fault finding – Interpretation of parameters17B
SIM 32 Injection
Program no.: D3
Vdiag No.: 44, 4C, 50
and 54
PR030ACCELERATOR PEDAL POSITION
PARAMETER
DEFINITIONThis parameter indicates the accelerator pedal position in %.
NOTESSpecial notes:
Only carry out these checks if PR030 > 15% with No load or if PR030 < 90% with
Full load.
Use the Wiring Diagrams Technical Note for NEW TWINGO, E33, CLIO III or
MODUS.
Conformity check with engine stopped and ignition on, or engine running, and engine coolant
temperature > 80˚C
If there is no pressure on the pedal X = 0%
In the event of a fault, consult the interpretation of fault DF196 Pedal sensor circuit gang 1 or DF198 Pedal
sensor circuit gang 2.
Sensor electrical conformity
Check that the pedal mechanism has not seized.
Check the condition of the accelerator potentiometer connector (component code 921) and the engine
management computer connector (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.
SIM32_V44_PR030/SIM32_V4C_PR030/SIM32_V50_PR030/SIM32_V54_PR030
AFTER REPAIRCarry out a road test followed by a check with the diagnostic tool.

17B-270V7 MR-413-X44-17B000$171.mif
PETROL INJECTION
Fault finding – Interpretation of parameters17B
SIM 32 Injection
Program no.: D3
Vdiag No.: 44, 4C, 50
and 54
PR035ATMOSPHERIC PRESSURE
PARAMETER
DEFINITIONThis parameter indicates the atmospheric pressure in bar. The sensor is integrated in
the computer.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system operation
programming.
Use the Wiring Diagrams Technical Note for NEW TWINGO, E33, CLIO III
or MODUS.
Conformity check with engine stopped and ignition on, or engine running, and engine coolant
temperature > 80˚C
The atmospheric pressure value is:
PR035 ≈ 1 bar +/- 0.20 bar
In the event of a fault, consult the interpretation of DF004 Turbocharging pressure sensor circuit.
Check the cleanliness and condition of the atmospheric pressure sensor and its connections (component
code 147) and 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.
On the atmospheric pressure sensor, component code 147, check the resistance between connections 3LG
and 3CK.
If the resistance is not X 50 kΩ, replace the sensor.
SIM32_V44_PR035/SIM32_V4C_PR035/SIM32_V50_PR035/SIM32_V54_PR035
AFTER REPAIRCarry out a road test followed by a check with the diagnostic tool.

17B-272V7 MR-413-X44-17B000$171.mif
PETROL INJECTION
Fault finding – Interpretation of parameters17B
SIM 32 Injection
Program no.: D3
Vdiag No.: 44, 4C, 50
and 54
PR037REFRIGERANT PRESSURE
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system operation
programming.
Conformity check with the engine running and engine coolant temperature > 80˚C
The value should be between:
1 bar < PR037 < 40 bar.
In the event of a fault, test the multiplex network (see 88B, Multiplex).
SIM32_V44_PR037/SIM32_V4C_PR037/SIM32_V50_PR037/SIM32_V54_PR037
AFTER REPAIRCarry out a road test followed by a check with the diagnostic tool.

17B-273V7 MR-413-X44-17B000$171.mif
PETROL INJECTION
Fault finding – Interpretation of parameters17B
SIM 32 Injection
Program no.: D3
Vdiag No.: 44, 4C, 50
and 54
Vdiag 54 only
PR041TURBOCHARGING PRESSURE
PARAMETER
DEFINITIONThis parameter indicates the turbocharging pressure in mbar.
NOTESThere must be no present or stored faults.
Use the Wiring Diagrams Technical Note for NEW TWINGO, E33, CLIO III
or MODUS.
Conformity check with engine stopped and ignition on, or engine running, and engine coolant
temperature > 80˚C
The turbocharging pressure value is:
121.5 mb < PR041 < 2200 mb, Default value: 1016 mb.
In the event of a fault, consult the interpretation of DF004 Turbocharging pressure sensor circuit.
Sensor electrical conformity
Check the cleanliness and condition of the turbocharging pressure sensor and its connections (component
code 1071) and of the engine management computer (component code 120).
If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Use the universal bornier to check the insulation and continuity of the following connections:
●3LQ between components 120 and 1071,
●3LP between components 120 and 1071,
●3LN between components 120 and 1071.
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, replace the sensor.
If the fault is still present, carry out the following checks:
SIM32_V54_PR041
AFTER REPAIRCarry out a road test followed by a check with the diagnostic tool.

17B-275V7 MR-413-X44-17B000$171.mif
PETROL INJECTION
Fault finding – Interpretation of parameters17B
SIM 32 Injection
Program no.: D3
Vdiag No.: 44, 4C, 50
and 54
PR055ENGINE SPEED
PARAMETER
DEFINITIONThis parameter indicates the engine's rotational speed in rpm.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system operation
programming.
Conformity check with engine stopped and ignition on.
The value should be:
PR055 = 0 rpm, ignition on.
Conformity check with the engine running and engine coolant temperature > 80˚C
The value should be:
PR055 ≈ 800 rpm, with the engine running at idle speed.
SIM32_V44_PR055/SIM32_V4C_PR055/SIM32_V50_PR055/SIM32_V54_PR055
AFTER REPAIRCarry out a road test followed by a check with the diagnostic tool.

17B-276V7 MR-413-X44-17B000$171.mif
PETROL INJECTION
Fault finding – Interpretation of parameters17B
SIM 32 Injection
Program no.: D3
Vdiag No.: 44, 4C, 50
and 54
PR059INLET AIR TEMPERATURE
PARAMETER
DEFINITIONThis parameter indicates the air inlet temperature in ˚C.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system operation
programming.
There must be no present or stored faults.
Perform this fault finding procedure:
–after finding an inconsistency in the parameter,
–after a customer complaint (e.g. lack of power).
Conformity check with engine stopped and ignition on.
With the ignition on the inlet air temperature varies according to the exterior temperature.
Parameter PR059 ≈ PR064 Coolant temperature engine cold.
In the event of a fault, apply the interpretation of DF089 Inlet manifold pressure sensor circuit.
Conformity check with the engine running and engine coolant temperature > 80˚C
With the engine running at idle speed the inlet air temperature varies according to the engine coolant temperature.
In the event of a fault, apply the interpretation of DF089.
SIM32_V44_PR059/SIM32_V4C_PR059/SIM32_V50_PR059/SIM32_V54_PR059
AFTER REPAIRCarry out a road test followed by a check with the diagnostic tool.

17B-277V7 MR-413-X44-17B000$171.mif
PETROL INJECTION
Fault finding – Interpretation of parameters17B
SIM 32 Injection
Program no.: D3
Vdiag No.: 44, 4C, 50
and 54
PR064COOLANT TEMPERATURE
PARAMETER
DEFINITIONThis parameter indicates the engine coolant temperature in ˚C.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system operation
programming.
There must be no present or stored faults.
Perform this fault finding procedure:
–after finding an inconsistency in the parameter,
–after a customer complaint (e.g. lack of power).
Conformity check with engine stopped and ignition on.
With the ignition on the coolant temperature varies according to the exterior temperature.
In the event of a fault, refer to the interpretation of DF001 Coolant temperature sensor circuit.
Parameter PR059: Inlet air temperature ≈ PR064 engine cold.
Conformity check with the engine running and engine coolant temperature > 80˚C
With the engine running at idle speed the coolant temperature varies according to the engine temperature.
If there is a fault, refer to the interpretation of fault DF001.
SIM32_V44_PR064/SIM32_V4C_PR064/SIM32_V50_PR064/SIM32_V54_PR064
AFTER REPAIRCarry out a road test followed by a check with the diagnostic tool.

17B-278V7 MR-413-X44-17B000$171.mif
PETROL INJECTION
Fault finding – Interpretation of parameters17B
SIM 32 Injection
Program no.: D3
Vdiag No.: 44, 4C, 50
and 54
PR071COMPUTER SUPPLY VOLTAGE
PARAMETER
DEFINITIONThis parameter indicates the computer supply voltage in volts.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system operation
programming.
Conformity check with engine stopped and ignition on, or engine running and engine coolant
temperature > 80˚C
The voltage should be between:
9 V < PR071 < 16 V
In the event of a fault, run fault finding on the charging circuit and consult the interpretation of DF038 Computer.
SIM32_V44_PR071/SIM32_V4C_PR071/SIM32_V50_PR071/SIM32_V54_PR071
AFTER REPAIRCarry out a road test followed by a check with the diagnostic tool.

17B-279V7 MR-413-X44-17B000$171.mif
PETROL INJECTION
Fault finding – Interpretation of parameters17B
SIM 32 Injection
Program no.: D3
Vdiag No.: 44, 4C, 50
and 54
PR089VEHICLE SPEED
PARAMETER
DEFINITIONGives the vehicle speed in km/h.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system operation
programming.
This parameter is transmitted by the ABS computer. This signal is transmitted to the
injection on the multiplex network.
Conformity check with engine stopped and ignition on, or engine running, and engine coolant
temperature > 80˚C
In the event of a fault, test the multiplex network (see 88B, Multiplex).
Then complete fault finding on the ABS computer (see 38C, Anti-lock braking system).
SIM32_V44_PR089/SIM32_V4C_PR089/SIM32_V50_PR089/SIM32_V54_PR089
AFTER REPAIRCarry out a road test followed by a check with the diagnostic tool.