SATELLITE RADIO TUNER: Diagnosis Procedure

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

1. CHECK FUSES 

   Check that the following fuses of the satellite radio tuner (factory installed) are not blown.

   Unit	Terminals	Signal name	Fuse No.
   Satellite radio tuner (factory installed)	32	Battery power	31
   	36	Ignition switch ACC or ON	4

   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 M45.
   3. Check voltage between the satellite radio tuner (factory installed) and ground.

      (+)		(-)	OFF	ACC	ON
      Connector	Terminal
      M45	32	Ground	Battery voltage	Battery voltage	Battery voltage
      	36		0V	Battery voltage	Battery voltage

      Fig 1: Checking Power Supply Circuit

      Courtesy of NISSAN NORTH AMERICA, INC.

      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.