light RENAULT TWINGO 2009 2.G Chasiss - Power Assisted Steering User Guide

36B-23
MR-413-X44-36B000$469.mif
V2
POWER – ASSISTED STEERING
Fault finding – Interpretation of faults
EPAS
Vdiag No.: 04 - 08
36B
DF039
DF048
DF050
DF054
PRESENT
OR
STOREDTORQUE SENSOR CIRCUIT
TORQUE SENSOR CIRCUIT
TORQUE SENSOR CIRCUIT SIGNAL 2
TORQUE SENSOR
CO.O: Open circuit or short circuit to earth
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present after having started the engine and turned the steering
wheel from lock to lock, then returning it to the centre.
Notes:
This fault causes:
Sudden loss of steering assistance with illumination of the Fault warning light +
STOP + Beep.
Use the Wiring Diagram Technical Note for New Twingo.
With + after ignition feed off, check the connection and condition (possible wiring damage) of connector C and
its clips of component 502.
If the connector is faulty (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair)
repair the wiring, otherwise replace it.
Visually check the condition of the wiring harness of component 850 (for possible wiring damage).
If the connection or connections are faulty (see Technical Note 6015A, Electrical wiring repair, Wiring:
Precautions for repair), repair the wiring, otherwise replace the steering column.
With the connectors of components 502 and 850 disconnected, check the continuity and insulation of the
following connections between components 502 and 850.
●Connection 109K
●Connection 109M
●Connection 109N
●Connection 109P
If the connection or connections are faulty (see Technical Note 6015A, Electrical wiring repair, Wiring:
Precautions for repair), repair the wiring, otherwise replace the steering column.
With + after ignition feed off, disconnect and check the condition and conformity of connector C and its clips.
Visually check the condition of the torque sensor wiring harness.
In the event of a nonconformity, replace the steering column.
Check the condition of the connection pins of components 502 and 850.
Contact the Techline in the event of any nonconformity.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any other faults.
Clear the stored faults.
Check that the EPAS is working.
DAE_V04_DF039/DAE_V08_DF039/DAE_V04_DF048/DAE_V08_DF048
DAE_V04_DF050/DAE_V08_DF050/DAE_V04_DF054/DAE_V08_DF054

36B-24
MR-413-X44-36B000$469.mif
V2
POWER – ASSISTED STEERING
Fault finding – Interpretation of faults
EPAS
Vdiag No.: 04 - 08
36B
DF043
PRESENT
OR
STOREDVEHICLE SPEED
DEF: Open circuit, short circuit to earth or to + 12 V
NOTESNotes:
This fault causes:
Assistance in defect mode with no fault warning light or Beep
(Insufficient assistance).
Use the Wiring Diagram Technical Note for New Twingo.
Carry out a road test.
Check the consistency of the speed signal on the instrument panel.
If necessary, carry out fault finding on the ABS/ESP system (see 38C, Anti-lock braking system).
Then use the diagnostic tool to check that PR003 is not zero.
With + after ignition feed off, check the connection and condition (possible wiring damage) of the connector of
component 502 and its clips.
If the connector is faulty (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the connector, otherwise replace the wiring.
With the intermediate connector R107 and the connector of component 502 disconnected, check the continuity
and insulation of connection 47F between component 502 and intermediate connector R107.
With the connector of components 1579, 261 and 1094 disconnected: check the continuity and insulation of
connection 47F between component 1094 and intermediate connector R107.
If the connection or connections are faulty (see Technical Note 6015A, Electrical wiring repair, Wiring:
Precautions for repair), repair the wiring, otherwise replace the wiring.
If the checks reveal no faults, check the conformity of components 1579, 261 and 1094.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any other faults.
Clear the stored faults.
Check that the EPAS is working.
DAE_V04_DF043/DAE_V08_DF043

36B-42
MR-413-X44-36B000$871.mif
V2
36B
POWER – ASSISTED STEERING
Fault finding – Customer complaints
NO DIALOGUE WITH THE COMPUTER ALP 1
POOR VEHICLE HANDLINGALP 2
SUDDEN LOSS OF ASSISTANCE ALP 3
GRADUAL LOSS OF ASSISTANCE CHART 4
INTERMITTENT ASSISTANCE ALP 5
ASSISTANCE RETURN ALP 6
PERMANENT ASSISTANCEALP 7
EXCESSIVE PERMANENT ASSISTANCE ALP 8
STEERING WHEEL VIBRATION OR PULSATING ALP 9
NO ASSISTANCE ON START-UP ALP 10
WARNING LIGHT ON WITH NO FAULT ALP 11
STEERING WHEEL NOT RETURNING TO CENTRE POINT ALP 12
EPAS
Vdiag No.: 04 - 08
MR-413-X44-36B000$871.mif

36B-53
MR-413-X44-36B000$938.mif
V2
POWER – ASSISTED STEERING
Fault finding – Fault finding Chart
EPAS
Vdiag No.: 04 - 08
36B
ALP 11 WARNING LIGHT ON WITH NO FAULT
NOTESOnly consult this customer complaint after a complete check with the
diagnostic tool.
Use the Technical Note wiring diagram for New Twingo.
With the connectors of components 502 and 247 disconnected, check the continuity and insulation of connection
109H between components 502 and 247.
If the connection is faulty (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
If the checks reveal no faults, perform a conformity check of component 247.
If the fault is still present, contact Techline.
AFTER REPAIRPerform a test using the diagnostic tool.
DAE_V04_ALP11/DAE_V08_ALP11