Diagnosis Procedure
- CHECK INPUT 1 - 6 CIRCUIT FOR OPEN
- Ignition switch OFF.
- Disconnect BCM connector and combination switch connector.
- Check continuity between BCM harness connector and combination switch harness connector.
Combination switch signal
BCM
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
INPUT 1
M83
67
M28
1
Yes
INPUT 2
68
3
INPUT 3
69
4
INPUT 4
70
6
INPUT 5
71
8
INPUT 6
72
13
Is the inspection result normal?
YES
GO TO 2.
NO
Repair harness or connectors.
- CHECK INPUT 1 - 6 CIRCUIT FOR SHORT
Check for continuity between BCM harness connector and ground.
Combination switch signal
BCM
--
Continuity
Connector
Terminal
INPUT 1
M83
67
Ground
No
INPUT 2
68
INPUT 3
69
INPUT 4
70
INPUT 5
71
INPUT 6
72
Is the inspection result normal?
YES
GO TO 3.
NO
Repair harness or connectors.
- CHECK COMBINATION SWITCH INPUT VOLTAGE
- Connect BCM connector.
- Check voltage between BCM harness connector and ground.
Combination switch signal
(+)
(-)
Voltage
BCM
Connector
Terminal
INPUT 1
M83
67
Ground
Refer to Reference Value .
INPUT 2
68
INPUT 3
69
INPUT 4
70
INPUT 5
71
INPUT 6
72
Is the inspection result normal?
YES
Replace combination switch. Refer to Removal and Installation .
NO
Replace BCM. Refer to Removal and Installation .