DTC Diagnosis Procedure
- CHECK DOOR LOCK/UNLOCK SWITCH INPUT SIGNAL
CONSULT
- Select "CDL LOCK SW" or "CDL UNLOCK SW" in "Data Monitor" mode of "BCM (DOOR LOCK)".
- 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
Power window and door lock/unlock switch RH circuit is OK.
NO
GO TO 2.
- CHECK DOOR LOCK/UNLOCK SWITCH GROUND HARNESS
- Disconnect power window and door lock/unlock switch RH.
- Check continuity between power window and door lock/unlock switch RH connector and ground
Power window and door lock/unlock switch RH
--
Continuity
Connector
Terminal
D105
3
Ground
No
Is the inspection result normal?
YES
GO TO 3
NO
Repair or replace harness.
- CHECK DOOR LOCK/UNLOCK SWITCH CIRCUIT
- Disconnect BCM connector.
- Check continuity between BCM connector and power window and door lock/unlock switch RH connector.
BCM
Power window and door lock/unlock switch RH
Continuity
Connector
Terminals
Connector
Terminals
M19
45
D105
1
Yes
46
2
- Check continuity between BCM connector and ground.
BCM
--
Continuity
Connector
Terminal
M19
45
Ground
No
46
Is the inspection result normal?
YES
Replace power window and door lock/unlock switch RH. Refer to Removal and Installation .
NO
Repair or replace harness.