Diagnosis Procedure

DOOR LOCK AND UNLOCK SWITCH


Description

Transmits door lock/unlock operation to BCM.





DOOR LOCK AND UNLOCK SWITCH


Diagnosis Procedure

Regarding Wiring Diagram information, Electrical Diagrams.
1.CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL
With CONSULT-III
Check door lock/unlock switch ("CDL LOCK SW", "CDL UNLOCK SW") in DATA MONITOR mode in CONSULT�III. CONSULT-III Function (BCM - Door Lock).
- When door lock/unlock switch is turned to LOCK:

CDL LOCK SW : ON

- When door lock/unlock switch is turned to UNLOCK:

CDL UNLOCK SW : ON

Without CONSULT-III
Check voltage between BCM connector M19 terminals 45, 46 and ground.











Is the inspection result normal?
YES - Door lock/unlock switch circuit is OK.
NO - GO TO 2
2.CHECK DOOR LOCK/UNLOCK SWITCH
1. Turn ignition switch OFF.
2. Disconnect door lock/unlock switch.





3. Check continuity between main power window and door lock/unlock switch terminals 10, 11 and 14.





4. Check continuity between power window and door lock/unlock switch RH terminals 1, 2 and 3.





Is the inspection result normal?
YES - GO TO 3
NO - Replace door lock/unlock switch.
3.CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS
1. Disconnect main power window and door lock/unlock switch or power window and door lock/unlock switch
RH.





2. Check continuity between main power window and door lock/unlock switch connector D7 terminal 14 and ground.

14 - Ground : Continuity should exist.






3. Check continuity between power window and door lock/unlock switch RH connector D105 terminal 3 and ground

3 - Ground : Continuity should exist.

Is the inspection result normal?
YES - GO TO 4
NO - Repair or replace harness.
4.CHECK DOOR LOCK SWITCH CIRCUIT
1. Disconnect BCM.
2. Check continuity between BCM connector M19 terminal 45 and main power window and door lock/unlock switch connector D7 terminal 10 or power window and door lock/unlock switch RH connector D105 terminal 1.










3. Check continuity between BCM connector M19 terminal 45 and ground.

45 - Ground : Continuity should not exist.

4. Check continuity between BCM connector M19 terminal 46 and main power window and door lock/unlock switch LH connector D7 terminal 11 or power window and door lock/unlock switch RH connector D105 terminal 2.










5. Check continuity between BCM connector M19 terminal 46 and ground.

46 - Ground : Continuity should not exist.

Is the inspection result normal?
YES - GO TO 5
NO - Repair or replace harness.
5.CHECK BCM OUTPUT VOLTAGE
1. Connect BCM.





2. Check voltage between BCM connector M19 terminals 45, 46 and ground.





Is the inspection result normal?
YES - Check condition of the harness and connector.
NO - Replace BCM. Service and Repair.