instrument panel RENAULT TWINGO RS 2009 2.G Chasiss - Power Assisted Steering Workshop Manual

36B-12
MR-413-X44-36B000$268.mif
V2
POWER – ASSISTED STEERING
Fault finding – Function
EPAS
Vdiag No.: 04 - 08
36B
SIGNALS RECEIVED AND SENT
1Vehicle speed
2Engine speed
3Power supply (permanent +)
4Supply (+ after ignition feed)
5Earth
6Steering wheel angle (Vdiag 04 only)
7Steering wheel torque
8Instrument panel indicator light on
9Diagnostic socket
10 Power-assisted steering computer

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