Door Lock and Unlock Switch Check

POWER DOOR LOCK SYSTEM

Door Lock and Unlock Switch Check


1. CHECK DOOR LOCK AND UNLOCK INPUT SIGNAL

With CONSULT
Check door lock and unlock switch ("CDL LOCK SW" and "CDL UNLOCK SW") in DATA MONITOR mode with
CONSULT.





Without CONSULT
Check voltage between BCM connector and ground










OK or NG
OK- Door lock and unlock switch is OK.
NG- 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 6, 17 and 18.










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





OK or NG





OK- GO TO 3
NG- 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 D8 terminal 17 and ground.
17 - 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.
OK or NG
OK- GO TO 4
NG- Repair or replace harness.






4. CHECK DOOR LOCK SWITCH CIRCUIT

1.Disconnect BCM.
2.Check continuity between BCM connector M19 (A) terminal 45 and main power window and door lock/
unlock switch connector D8 (B) terminal 18 or power window and door lock/unlock switch RH connector
D105 (C) terminal 1.

1 - 45: Continuity should exist.
18 - 45: Continuity should exist.

3.Check continuity between BCM connector M19 (A) terminal 45
and ground.
45 - Ground: Continuity should not exist.





4.Check continuity between BCM connector M19 (A) terminal 46 and main power window and door lock/
unlock switch LH connector D7 (B) terminal 6 or power window and door lock/unlock switch RH connector
D105 (C) terminal 2.

2 - 46: Continuity should exist.
6 - 46: Continuity should exist.

5.Check continuity between BCM connector M19 (A) terminal 46 and ground.
46 - Ground: Continuity should not exist.
OK or NG
OK- Replace BCM. Service and Repair .
NG- Repair or replace harness.