Diagnosis Procedure (With Manual A/C)

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

1. CHECK A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL
   
   
   1. Turn ignition switch ON.
   2. Check voltage between combination meter harness connector and ground.

      (+)		(-)	Voltage (Approx.)
      Combination meter		Ground	5 V
      Connector	Terminal
      M24	32

   Is the inspection result normal?

   YES 

   Inspection End.

   NO 

   GO TO STEP 2. 

2. CHECK A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL CIRCUIT
   
   
   1. Turn ignition switch OFF.
   2. Disconnect combination meter connector and A/C auto amp. connector.
   3. Check continuity between combination meter harness connector and A/C auto amp. harness connector.

      Combination meter		A/C auto amp.		Continuity
      Connector	Terminal	Connector	terminal
      M24	32	M33	23	Yes

   4. Check continuity between combination meter harness connector and ground.

      Combination meter		Ground	Continuity
      Connector	Terminal
      M24	32		No

   Is the inspection result normal?

   YES 

   Inspection End.

   NO 

   Repair or replace harness or connector.