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POWER SUPPLY AND GROUND CIRCUIT

A/C AND AV SWITCH ASSEMBLY : Diagnosis Procedure

Regarding Wiring Diagram information, With Navigation.

1. CHECK FUSE

Check that the A/C and AV switch assembly fuse is not blown.





Is the fuse OK?
YES- GO TO 2.
NO- If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

2. POWER SUPPLY CIRCUIT CHECK






1.Disconnect A/C and AV switch assembly connector M98.
2.Check voltage between the A/C and AV switch assembly connector M98 and ground.





Are the voltage results as specified?
YES- GO TO 3.
NO- - Check connector housings for disconnected or loose terminals.
- Repair harness or connector.

3. GROUND CIRCUIT CHECK






1.Ignition OFF.
2.Check continuity between A/C and AV switch assembly harness connector M98 and ground.





Are the continuity results as specified?
YES- Inspection End.
NO- Repair A/C and AV switch assembly ground.