88B-8
AFTER REPAIR
Carry out a new test using the diagnostic tool.
Clear the stored faults on all the computers connected to the network.
Deal with any other faults.
V1
MR-453-X79-88B000$040.mif
88B
FAULTY COMPUTER
NOTES
Make sure that the computers installed in the vehicle are the correct type and are
compatible with the vehicle.
Check that the computers are correctly supplied (earth, + battery, + accessories
or + after ignition).
Make sure that the computer wake-up mode is in full working order on the vehicle and is properly assimilated by
the computers.
The wake-up mode is:
– + accessories feed: ABS, ESP, torque distributor - ETC computer
– + after ignition feed: Injection (the injection will not appear in + accessories feed)
– Switch to computer fault finding mode.
Attempt to establish dialogue with computers.
– No dialogue between computers and the diagnostic tool: see ALP 1 No dialogue with the computer for
computer(s) on which there is no dialogue with the diagnostic tool.
Check the connections to the computers and that there are no open circuits.
Repair if necessary.
– Computers are not displaying all the information on their identifications:
Check in the Workshop Repair Manual or the World Vehicle Database that the computer is compatible
with the vehicle.
Check that the CLIP diagnostic tool update is recent enough to be able to deal with faults on the vehicle.
MULTIPLEXING
Fault finding – Interpretation of faults
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