POWER ASSISTED STEERING
Fault finding - Fault Finding Chart
36B
36B - 54V6 MR-366-X84-36B000$924_eng.mif
PAS
Vdiag No.: 04, 06, 08, 0C
and 12
ALP9The Service indicator light and the Check Steering message
come on straight away
NOTESApply the fault finding procedure only on Vdiag 06 and 12.
Check the conformity of the battery voltage and carry out fault finding on the charge circuit if necessary.
Check the condition and conformity of the ABS computer connector and its clips.
Check that the ABS computer has an electrical feed (see wiring diagram for the ABS fitted on the vehicle).
Disconnect the 8-track electric power assisted steering computer connector.
Check the condition and conformity of the connector and its clips.
If there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for
repair), repair the connector, otherwise replace the wiring.
Carry out fault finding on the multiplex network (see 88B, Multiplexing).
Check the insulation, continuity and the absence of interference resistance on the following connections:
Electric power-
assisted steering
computer (8-track
connector)UCH
(PE2 40-track
connector)Protection and
Switching Unit (CT1
12-track connector)
track 7 track 8
track 5 track 18
track 6 track 8
track 16 track 1
track 3 ABS computer
track 2 ABS computer
(see wiring
diagram of the ABS
system installed in
the vehicle)
If there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair), repair the wiring, otherwise replace it.
If the connections previously checked are correct, contact the Techline.
AFTER REPAIRCarry out a check using the diagnostic tool.
DAETRW_V04_ALP09/DAETRW_V06_ALP09/DAETRW_V08_ALP09/DAETRW_V0C_ALP09/
DAETRW_V12_ALP09