Diagnosis Procedure
- CHECK FUSES
Check that the following fuses are not blown:
Unit
Power source
Fuse No.
Capacity
Combination meter
Battery
19
10 A
Ignition switch ON or START
12
10 A
Ignition switch ACC or ON
9
10 A
Is the inspection result normal?
YES
GO TO 2.
NO
Replace the fuse after repairing the affected circuit.
- POWER SUPPLY CIRCUIT CHECK
- Disconnect combination meter connector.
- Check voltage between combination meter harness connector terminals and ground.
(+)
(-)
Ignition switch position
Combination meter
OFF
ACC
ON
START
Connector
Terminal
M23
25
Ground
Battery voltage
Battery voltage
Battery voltage
Battery voltage
32
0V
0V
Battery voltage
Battery voltage
M24
17
0V
Battery voltage
Battery voltage
0V
Is the inspection result normal?
YES
GO TO 3.
NO
Check harness for open between combination meter and fuse.
- GROUND CIRCUIT CHECK
- Ignition switch OFF.
- Check continuity between combination meter harness connector terminals and ground.
Combination meter
--
Continuity
Connector
Terminal
M23
31
Ground
Yes
M24
21
Is the inspection result normal?
YES
Inspection End.
NO
Check ground harness.