Diagnosis Procedure
1.
CHECK ILLUMINATION CONTROL SWITCH SIGNAL CIRCUIT
Turn electric motor switch OFF.
Disconnect combination illumination connector and meter control switch connector.
Check continuity between combination meter harness connector and illumination control switch harness connector.
Terminals
Continuity
Combination meter
Illumination control switch
Connector
Terminal
Connector
Terminal
M77
25
M3
6
Existed
31
7
32
4
Check continuity between combination meter harness connector and ground.
Combination meter
Ground
Continuity
Connector
Terminal
M77
25
Not existed
31
32
Is the inspection result normal?
Repair harness or connector.
2.
CHECK ILLUMINATION CONTROL SWITCH
Check illumination control switch. Refer to
Component Inspection
.
Is the inspection result normal?
Replace combination meter. Refer to
Removal and Installation
.
Replace illumination control switch. Refer to Removal and Installation
Removal and Installation
.