With Navigation

POWER SUPPLY AND GROUND CIRCUIT

SATELLITE RADIO TUNER : Diagnosis Procedure

Regarding Wiring Diagram information, With Navigation.

1. CHECK FUSES

Check that the following fuses of the satellite radio tuner (factory installed) 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. POWER SUPPLY CIRCUIT CHECK

1.Turn ignition switch OFF.
2.Disconnect satellite radio tuner (factory installed) connector M41.
3.Check voltage between the satellite radio tuner (factory installed) and ground.










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

3. GROUND CIRCUIT CHECK

Inspect satellite radio tuner (factory installed) case ground.
Does case ground pass inspection?
YES- Inspection End.
NO- Repair satellite radio tuner (factory installed) case ground.