88B-16
V1
MR-453-X79-88B000$050.mif
MULTIPLEXING
Fault finding – Fault Finding Chart
88B
ALP 2 Communication fault between computers
NOTES
Vehicle computer power supply for fault finding:
Engine stopped, ignition on.
Connect the diagnostic tool and perform the required operations.
Computer connected to multiplex line V
Check the continuity and insulation of the following connections:
133B between the faulty components,
133C between the faulty components,
Important: Several computers can be present on the line.
If the fault is still present, refer to the repair procedure of ALP1 "Faulty computers".
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