Component Tests and General Diagnostics

POWER SUPPLY AND GROUND CIRCUIT

SATELLITE RADIO TUNER : Diagnosis Procedure


1. CHECK FUSES

Check that the following fuses of the satellite radio tuner are not blown.





Is inspection result 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

Check voltage between the satellite radio tuner and ground.





Is inspection result OK?
YES- GO TO 3.
NO- Check harness between satellite radio tuner and fuse.

3. CHECK GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect satellite radio tuner connector.
3.Check continuity between satellite radio tuner harness connector and ground.





Is the inspection result normal?
YES- INSPECTION END
NO- Repair harness or connector.