Diagnosis Procedure

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

1. CHECK FUSES
   
   

   Check that the following fuses are not blown.

   Unit	Power source	Fuse No.
   Combination meter	Battery	13
   	Ignition switch ON or START	31

   Is the fuse blown?

   YES 

   Replace the blown fuse after repairing the affected circuit.

   NO 

   GO TO STEP 2  .

2. CHECK POWER SUPPLY CIRCUIT
   
   
   1. Disconnect combination meter connector.
   2. Check voltage between combination meter harness connector M77 terminals 45, 46 and ground.

   Combination meter		Ground	Ignition switch position
   Connector	Terminal		OFF	ON	START
   M77	45	(-)	Battery voltage	Battery voltage	Battery voltage
   	46		0V	Battery voltage	Battery voltage

   Is the inspection result normal?

   YES 

   GO TO STEP 3. 

   NO 

   Repair or replace harness or connector.

3. CHECK GROUND CIRCUIT
   
   
   1. Turn ignition switch OFF.
   2. Check continuity between combination meter harness connector and ground.

   Combination meter		Ground	Continuity
   Connector	Terminal
   M76	1	(-)	Yes
   M77	52

   Is the inspection result normal?

   YES 

   Inspection End.

   NO 

   Repair or replace harness or connector.