Diagnosis Procedure
- CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
- Ignition switch OFF.
- Disconnect BCM connectors and combination switch connector.
- Check continuity between BCM connectors and combination switch connector.
Combination switch signal
BCM
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
OUTPUT 1
M19
85
M28
7
Yes
OUTPUT 2
84
15
OUTPUT 3
86
10
OUTPUT 4
87
5
OUTPUT 5
M17
34
2
Is the inspection result normal?
YES
GO TO 2.
NO
Repair or replace harness or connectors.
- CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT
Check continuity between BCM connectors and ground.
Combination switch signal
BCM
Ground
Continuity
Connector
Terminal
OUTPUT 1
M19
85
No
OUTPUT 2
84
OUTPUT 3
86
OUTPUT 4
87
OUTPUT 5
M17
34
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace harness or connectors.
- CHECK BCM INPUT VOLTAGE
- Connect BCM connectors and combination switch connector.
- Ignition switch ON.
- Check voltage between BCM connectors and ground.
Combination switch signal
BCM
Ground
Voltage
Connector
Terminal
OUTPUT 1
M19
85
--
Refer to Physical Values
OUTPUT 2
84
OUTPUT 3
86
OUTPUT 4
87
OUTPUT 5
M17
34
Is the inspection result normal?
YES
Replace BCM. Refer to BCM : Removal & Installation .
NO
Replace the combination switch. Refer to COMBINATION SWITCH : Removal & Installation .