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POWER SUPPLY AND GROUND CIRCUIT

A/C AND AV SWITCH ASSEMBLY : Diagnosis Procedure

Regarding Wiring Diagram information, Without Navigation.

1. CHECK FUSE

Check that the fuse of the AC and AV switch assembly 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.Turn ignition switch OFF.
2.Check continuity between A/C and AV switch assembly harness connector M98 and ground.





Does continuity exist?
YES- Inspection End.
NO- Repair harness or ground.