With Navigation

POWER SUPPLY AND GROUND CIRCUIT

DISPLAY UNIT : Diagnosis Procedure

Regarding Wiring Diagram information, With Navigation.

1. CHECK FUSES

Check that the following display unit fuses are not blown.





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

2. CHECK POWER SUPPLY CIRCUIT

1.Turn ignition switch to ACC





2.Check voltage between display unit harness connector M92 and ground.





Does specified voltage exist?
YES- GO TO 3.
NO- - Check connector housings for disconnected or loose terminals.
- Repair harness or connector.

3. CHECK GROUND CIRCUIT






1.Turn ignition switch OFF.
2.Disconnect display unit connector.
3.Check continuity between display unit harness connector M92
and ground.





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