A/C AUTO AMP.: Diagnosis Procedure

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

1. CHECK FUSE 

   Check fuses [No. 14 and 30, located in the fuse block (J/B)].

   NOTE: Refer to "TERMINAL ARRANGEMENT ".

   Is the inspection result normal? 

   YES: GO TO  2.

   NO: Replace the blown fuse after repairing the affected circuit.

2. CHECK A/C AUTO AMP. POWER SUPPLY 
   1. Turn ignition switch OFF.
   2. Disconnect A/C auto amp. connector.
   3. Check voltage between A/C auto amp. harness connector and ground.

      +		-	Voltage
      A/C auto amp.			Ignition switch position
      Connector	Terminal		OFF	ACC	ON
      M50	23	Ground	Approx. 0 V	Approx. 0 V	Battery voltage
      	3		Battery voltage	Battery voltage	Battery voltage

   Is the inspection result normal? 

   YES: GO TO  3.

   NO: Repair harness or connector between A/C auto amp. and fuse block (J/B).

3. CHECK A/C AUTO AMP. GROUND CIRCUIT 
   1. Turn ignition switch OFF.
   2. Check continuity between A/C auto amp. harness connector and ground.

      A/C auto amp.		-	Continuity
      Connector	Terminal
      M50	2	Ground	Yes
      	22

   Is the inspection result normal? 

   YES: Inspection End.

   NO: Repair harness or connector.