Diagnosis Procedure

DOOR LOCK AND UNLOCK SWITCH


PASSENGER SIDE : Description

Transmits door lock/unlock operation to BCM.




DOOR LOCK AND UNLOCK SWITCH


PASSENGER SIDE : Diagnosis Procedure

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

CDL LOCK SW :ON

- When power window and door lock/unlock switch RH is turned to UNLOCK:

CDL UNLOCK SW :ON

Without CONSULT-III
1. Remove key from ignition key cylinder.
2. Using an oscilloscope, check the signal between BCM connector M18 terminal 22 and ground when power window and door lock/unlock switch RH is turned to LOCK or UNLOCK.
3. Make sure the signals which are shown in the figure below can be detected during 10 seconds just after the power window and door lock/unlock switch RH is turned to LOCK or UNLOCK.










Is the inspection normal?
YES - Power window and door lock/unlock switch RH circuit is OK.
NO - GO TO 2
2.CHECK BCM OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Using the vehicle operational Intelligent Key, press and hold the UNLOCK button for more than 3 seconds.

The front windows should be lowered.

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





2. Check continuity between power window and door lock/unlock switch RH connector D105 terminal 11 and ground

11 - Ground : Continuity should exist.

Is the inspection normal?
YES - GO TO 4
NO - Repair or replace harness.
4.CHECK POWER WINDOW SERIAL LINK CIRCUIT
1. Disconnect BCM.
2. Check continuity between BCM connector M18 terminal 22 and power window and door lock/unlock switch RH connector D105 terminal 16.

22 - 16 : Continuity should exist.






3. Check continuity between BCM connector M18 terminal 22 and ground.

22 - ground : Continuity should not exist.






Is the inspection normal?
YES - Replace power window and door lock/unlock switch RH.
NO - Repair or replace harness.