Special Service Tool
The actual shapes of the tools may differ from those illustrated here.

Precaution
Periodic maintenanceDiagnosis and repair work flow
Work Flow
OVERALL SEQUENCE
DETAILED WORK FLOW
1.CUSTOMER INFORMATION
Get detailed information from the customer about the symptom.
2.PRELIMINARY CHECK
Perform preliminary check.
3.TECHNICAL SERVICE BULLETINS
Check for technical service bulletins.
4.USER MODE
Perform self-diagnosis usin ...
AV 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 AV control unit for
damage, bend and loose connection (unit
side and connector side).
2.CHECK HARNESS FOR OPEN CIRC ...
Power supply and ground circuit
BCM
BCM : Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS-67, "Wiring Diagram".
1. CHECK FUSE AND FUSIBLE LINK
Check if the following BCM fuses or fusible link are blown.
Is the fuse or fusible link blown?
2. CHECK POWER SUPPLY CIRCUIT
Turn ignition switch OFF.
...