Crew Cab

DOOR SWITCH - CREW CAB





Description
Detects door open/close condition.




Component Function Check
1. CHECK FUNCTION
With CONSULT-III
Check door switches in data monitor mode with CONSULT-III.





Is the inspection result normal?
YES - Door switch is OK.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
Regarding Wiring Diagram information, Crew Cab.
1. CHECK DOOR SWITCHES INPUT SIGNAL
With CONSULT-III
Check door switches ("DOOR SW-DR", "DOOR SW-AS") in DATA MONITOR mode with CONSULT-III. CONSULT-III Function.
- When any doors are open:






- When any doors are closed:





Without CONSULT-III





Check voltage between BCM connector M18 or M19 terminals 12, 47 and ground.





Is the inspection result normal?
YES - Door switch circuit is OK.
NO - GO TO 2
2. CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.





2. Disconnect BCM.
3. Check continuity between door switch connector B8 (Front LH), B108 (Front RH) terminal 2 and BCM connector M18, M19 terminals 12, and 47.






4. Check continuity between door switch connector B8 (Front LH), B108 (Front RH) terminal 2 and ground.






Is the inspection result normal?
YES - GO TO 3
NO - Repair or replace harness.
3. CHECK DOOR SWITCHES
1. Check continuity between door switch terminals.





Is the inspection result normal?
YES - Replace BCM. Service and Repair.
NO - Replace door switch.