DTC Diagnosis Procedure

Transmits door lock/unlock operation to BCM.

1. CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL 

   CONSULT

   1. Select "CDL LOCK SW" or "CDL UNLOCK SW" in "Data Monitor" mode of "BCM (DOOR LOCK)".
   2. Check that the function operates normally according to the following conditions:

   Monitor item	Condition		Status
   CDL LOCK SW	Door lock and unlock switch	LOCK	On
   		UNLOCK	Off
   CDL UNLOCK SW		LOCK	On
   		UNLOCK	Off

   Is the inspection result normal?

   YES

   Door lock and unlock switch circuit is OK.

   NO

   GO TO 2.

2. CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS 
   1. Disconnect main power window and door lock/unlock switch.
   2. Check continuity between main power window and door lock/unlock switch connector and ground.

      Main power window and door lock/unlock switch		--	Continuity
      Connector	Terminal
      D7	10	Ground	No

   Is the inspection result normal?

   YES

   GO TO 3.

   NO

   Repair or replace harness.

3. CHECK POWER WINDOW SERIAL LINK CIRCUIT 
   1. Disconnect BCM connector.
   2. Check continuity between BCM connector and main power window and door lock/unlock switch connector

      BCM		Main power window and door lock/unlock switch		Continuity
      Connector	Terminals	Connector	Terminals
      M19	45	D7	5	Yes
      	46		6

   3. Check continuity between BCM connector and ground.

      BCM		--	Continuity
      Connector	Terminal
      M19	45	Ground	No
      	46

   Is the inspection result normal?

   YES

   Replace main power window and door lock/unlock switch. Refer to Removal and Installation .

   NO

   Repair or replace harness.