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-1- With power windows, GO TO 2.
NG-2- Without power windows, GO TO 5.

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 connector D11 (B) terminal 18 and connector D11
(B) terminal 17, and connector D5 (A) terminal 6 and connector
D11 (B) terminal 17.





4.Check continuity between power window and door lock/unlock switch RH connector D104 (C) 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 D11 terminal 17and ground.
17 - Ground: Continuity should exist.





3.Check continuity between power window and door lock/unlock switch RH connector D104 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 D11 (B) terminal 18 or power window and door lock/unlock switch RH connector D104 (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 D5 (B) terminal 6 or power window and door lock/unlock switch RH connector
D104 (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.

5. CHECK DOOR LOCK/UNLOCK SWITCH LH

1.Turn ignition switch OFF.
2.Disconnect door lock/unlock switch LH.





3.Check continuity between door lock/unlock switch LH terminals
1, 2 and 5.





OK or NG
OK- GO TO 6.
NG- Replace door lock/unlock switch LH.

6. CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS

Check continuity between door lock/unlock switch connector D6 terminal 5 and ground.





5 - Ground: Continuity should exist.
OK or NG
OK- GO TO 7.
NG- Repair or replace harness.

7. CHECK DOOR LOCK SWITCH CIRCUIT

1.Disconnect BCM.
2.Check continuity between BCM connector M19 (A) terminal 45 and door lock/unlock switch LH connector
D6 (B) terminal 1.





1 - 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 door lock/unlock switch LH connector D6 (B) terminal 2.





2 - 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.