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	8
   	Ignition switch ON or ACC	18
   	Ignition switch ON or START	3

   Is the fuse blown?

   YES 

   Replace the blown fuse after repairing the affected circuit.

   NO 

   GO TO STEP 2. 

2. POWER SUPPLY CIRCUIT CHECK
   
   

   Check voltage between combination meter harness connector M24 terminals 15, 27, 28 and ground.

   Terminals			Ignition switch position
   (+)		(-)	OFF	ACC	ON	START
   Connector	Terminal
   M24	27	Ground	Battery voltage	Battery voltage	Battery voltage	Battery voltage
   	15		0V	Battery voltage	Battery voltage	0V
   	28		0V	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
   
   

   Check continuity between combination meter harness connector M24 terminals 21, 22, 23 and ground.

   Combination meter		Ground	Continuity
   Connector	Terminal
   M24	21		Yes
   	22
   	23

   Is the inspection result normal?

   YES 

   Inspection End.

   NO 

   Repair or replace harness or connector.