Nissan Altima (L32) 2007-2012 Service Manual: Satellite radio tuner

 Diagnosis Procedure

1.CHECK FUSES

Check that the following 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.POWER SUPPLY CIRCUIT CHECK

1. Turn ignition switch OFF.

2. Disconnect satellite radio tuner (factory installed) connector B57.

3. Check voltage between the satellite radio tuner (factory installed) 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

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.