SATELLITE RADIO TUNER: Diagnosis Procedure

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

1. CHECK FUSE 

   Check that the following fuses are not blown.

   Terminal No.	Signal name	Fuse No.
   32	Battery power supply	15 (15A)
   36	ACC power supply	65 (10A)

   Are the fuses blown? 

   YES: Replace the blown fuse after repairing the affected circuit.

   NO: GO TO 2.

2. CHECK POWER SUPPLY CIRCUIT 
   1. Turn ignition switch OFF.
   2. Disconnect satellite radio tuner connector B2.
   3. Check voltage between satellite radio tuner connector B2 terminal 32, 36 and ground.

      Satellite radio tuner		Ground	Condition	Voltage (Approx.)
      Connector	Terminal
      B2	32	-	Ignition switch: OFF	Battery voltage
      	36		Ignition switch: ACC

      Is the inspection result normal? 

      YES: GO TO 3.

      NO: Repair or replace harness or connectors.

3. CHECK GROUND CIRCUIT 
   1. Turn ignition switch OFF.
   2. Check continuity between satellite radio tuner connector B2 terminal 35 and ground.

      Satellite radio tuner		Ground	Continuity
      Connector	Terminal
      B2	35	-	Yes

      Is the inspection result normal? 

      YES: Inspection End.

      NO: Repair or replace harness or connectors.