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-51
MR-413-X44-36B000$938.mif
V2
POWER – ASSISTED STEERING
Fault finding – Fault finding Chart
EPAS
Vdiag No.: 04 - 08
36B
ALP 9 STEERING WHEEL VIBRATION OR PULSATING
NOTESOnly address this customer complaint after a complete check with the diagnostic
tool.
Use the Technical Note wiring diagram for New Twingo.
Connectors of component 502 disconnected, check the condition and conformity of the connectors and 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 connector of component 1016 disconnected:
Check the continuity and insulation of connection AP23 between components 502 and 1016.
Check the continuity and insulation of connection ML of component 502.
If the connection or connections are 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 1016.
Check the conformity of PR001 Torque applied to steering wheel (see Conformity check).
If the value of this parameter changes drastically without any movement of the steering wheel, contact the
Techline
Check the conformity of PR129 Motor power (60 A) or PR130 Motor power (45 A) (see Conformity check).
If the value of this parameter changes drastically without any movement of the steering wheel, contact the
Techline.
If the incident is still present, contact the Techline.
AFTER REPAIRPerform a check using the diagnostic tool.
DAE_V04_ALP9/ DAE_V08_ALP9
36B-54
MR-413-X44-36B000$938.mif
V2
POWER – ASSISTED STEERING
Fault finding – Fault finding Chart
EPAS
Vdiag No.: 04 - 08
36B
CHART 12 STEERING WHEEL NOT RETURNING TO CENTRE POINT
NOTESOnly consult this customer complaint after a complete check with the
diagnostic tool.
Conditions:
The steering automatic return function is effective within a speed range of 5 and
20 mph (8 to 32 km/h).
Carry out a complete check of the axle assemblies on an axle adjustment bench (see MR 411, 30A,
General information, for the checking values).
If the fault is still present, contact Techline.
AFTER REPAIRPerform a test using the diagnostic tool.
DAE_V04_ALP12 /DAE_V08_ALP12
