88B - 16
MULTIPLEXING
Fault finding - Interpretation of faults
88B
V4 MR-372-J84-88B050$700_eng.mif
UNRECOGNISED COMPUTERS ON THE NETWORK
NOTES–Check the compatibility of the computers with the Scénic II ph2.
Make sure the CLIP diagnostic tool update is recent enough to handle Scénic II ph2 faults.
–Switch to computer diagnostics mode.
Attempt to establish dialogue with computers.
●No dialogue from computers to diagnostic tool: see ALP 1
No dialogue with the computer or computers not communicating with the diagnostic tool.
Check the connections to the computers and that there are no open circuits.
If there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, wiring:
precautions for repairs), repair the connectors, otherwise change them.
●Make sure that the computer identification information is correct and matches the vehicle in fault finding.
–Computer information:
–Vdiag:
–Program No.:
If no faults or open or short circuits have been detected after these checks, contact Techline.
AFTER REPAIRRun the multiplex network test again using the diagnostic tool.
Clear the stored faults on all the computers connected to the network.
Deal with any other faults.
