DTC Diagnosis Procedure
- CHECK ILLUMINATION CONTROL SWITCH SIGNAL
- Ignition switch ON.
- Check voltage between the following terminals of the illumination control switch harness connector.
Illumination control switch
Condition
Voltage
(Approx.)
Connector
Terminals
(+)
(-)
M313
12
11
When illumination control switch (-) is pressed
0 V
Other than the above
5 V
10
When illumination control switch (+) is pressed
0 V
Other than the above
5 V
Is the inspection result normal?
YES
Inspection End.
NO
GO TO 2.
- CHECK ILLUMINATION CONTROL SWITCH HARNESS
- Ignition switch OFF.
- Disconnect combination meter harness connector and illumination control switch harness connector.
- Check continuity between combination meter harness connector and illumination control switch harness connector.
Combination meter
Illumination control switch
Continuity
Connector
Terminal
Connector
Terminal
M77
51
M313
10
Yes
52
12
- Check continuity between illumination control switch harness connector and ground.
Combination meter
--
Continuity
Connector
Terminal
M313
10
Ground
No
12
11
Yes
Is the inspection result normal?
YES
Inspection End.
NO
Repair or replace harness or connector.