How to Follow Test Groups in Trouble Diagnosis
Test group number and test group title
Test group number and test group title are shown in the upper portion of
each test group.
Work and diagnosis procedure
Start to diagnose a problem using procedures indicated in enclosed test
groups.
Questions and results
...
Power supply and ground circuit
Av control unit
Av control unit : diagnosis procedure
Regarding wiring diagram information, refer to av-331, "wiring diagram".
1.Check fuse
Check that the following fuses are not blown.
Are the fuses blown?
Yes >> replace the blown fuse after repairing the affected circuit. ...
BCM branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the bcm for damage, bend and loose
connection (unit side and
connector side).
Is the inspection result normal?
Yes > ...