Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS "Wiring Diagram".
1.CHECK INPUT 1 - 5 CIRCUIT FOR OPEN
1. Turn ignition switch OFF.
2. Disconnect BCM and combination switch connectors.
3. Check continuity between BCM connector and combination switch connector.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connectors.
2.CHECK INPUT 1 - 5 CIRCUIT FOR SHORT
Check for continuity between BCM connector and ground. 
Is the inspection result normal?
YES >> Repair harness or connectors.
NO >> GO TO 3.
3.CHECK BCM OUTPUT VOLTAGE
1. Connect BCM connector.
2. Check voltage between BCM connector and ground.
Is the inspection result normal?
YES >> Replace combination switch.
NO >> Replace BCM. Refer to BCS "Removal and Installation".
Power supply and ground circuitDiagnosis Procedure Regarding Wiring Diagram information, refer to BCS "Wiring Diagram". 1.CHECK FUSES AND FUSIBLE LINK Check that the following fuses and fusible link are not blown.  ...

Diagnosis Procedure Regarding Wiring Diagram information, refer to BCS "Wiring Diagram". 1.CHECK OUTPUT 1 - 5 CIRCUIT FOR OPEN 1. Turn ignition switch OFF. 2. Disconnect BCM and combinat ...
P0863 TCM Communication
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P0863
TCM Communication Circui
An error is detected at the initial CAN diagnosis
of TCM.
TCM
DTC CONFIRMATION PROCEDURE
1.PREPARATION BEFORE WORK
If anothe ...
Parking brake switch
Component Function Check
1.CHECK PARKING BRAKE SWITCH OPERATION
Check that brake warning lamp in combination meter turns ON/OFF when parking
brake is actuated.
Is the inspection result normal?
YES >> Inspection End.
NO >> Proceed to diagnosis procedure. Refer to BRC "Diagno ...