Diagnosis Procedure
- CHECK OUTPUT 1 - 6 CIRCUIT FOR OPEN
- Ignition switch OFF.
- Disconnect BCM connector and combination switch connectors.
- Check continuity between BCM harness connector and combination switch harness connector.
Combination switch signal
BCM
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
OUTPUT 1
M83
48
M28
7
Yes
OUTPUT 2
49
15
OUTPUT 3
53
10
OUTPUT 4
52
5
OUTPUT 5
50
2
OUTPUT 6
51
12
Is the inspection result normal?
YES
GO TO 2.
NO
Repair harness or connectors.
- CHECK OUTPUT 1 - 6 CIRCUIT FOR SHORT
Check for continuity between BCM harness connector and ground.
Combination switch signal
BCM
--
Continuity
Connector
Terminal
OUTPUT 1
M83
48
Ground
No
OUTPUT 2
49
OUTPUT 3
53
OUTPUT 4
52
OUTPUT 5
50
OUTPUT 6
51
Is the inspection result normal?
YES
GO TO 3.
NO
Repair harness or connectors.
- CHECK COMBINATION SWITCH OUTPUT SIGNAL
- Connect BCM connector and combination switch connector.
- Turn ON any switch in the system that is malfunctioning.
- Check voltage between BCM harness connector and ground.
Combination switch signal
(+)
(-)
Voltage
BCM
Connector
Terminal
OUTPUT 1
M83
48
Ground
Refer to Reference Value .
OUTPUT 2
49
OUTPUT 3
53
OUTPUT 4
52
OUTPUT 5
50
OUTPUT 6
51
Is the inspection result normal?
YES
Replace BCM. Refer to Removal and Installation .
NO
Replace combination switch. Refer to Removal and Installation .