Diagnosis Procedure

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

1. CHECK AMBIENT SENSOR SIGNAL CIRCUIT 
   1. Turn ignition switch OFF.
   2. Disconnect combination meter connector and ambient sensor connector.
   3. Check continuity between combination meter harness connector and ambient sensor harness connector.

      Combination meter		Ambient sensor		Continuity
      Connector	Terminal	Connector	Terminal
      M76	15	E76	1	Yes

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

      Combination meter		Ground	Continuity
      Connector	Terminal
      M76	15		No

      Is the inspection result normal? 

      YES: GO TO 2.

      NO: Repair or replace harness or connector.

2. CHECK AMBIENT SENSOR SIGNAL GROUND CIRCUIT 

   Check continuity between combination meter harness connector and ambient sensor harness connector.

   Combination meter		Ambient sensor		Continuity
   Connector	Terminal	Connector	Terminal
   M76	20	E76	2	Yes

   Is the inspection result normal? 

   YES: Inspection End.

   NO: Repair or replace harness or connector.