Diagnosis Procedure (With LH And RH Anti-Pinch)

DOOR LOCK AND UNLOCK SWITCH


DRIVER SIDE : Description

Transmits door lock/unlock operation to BCM.




DOOR LOCK AND UNLOCK SWITCH


DRIVER SIDE : Diagnosis Procedure (With LH and RH Anti-Pinch)

1.CHECK POWER WINDOW SWITCH OUTPUT SIGNAL





1. Read voltage signal between BCM connector and ground with oscilloscope when door lock and unlock switch (driver side) is turned "LOCK" or "UNLOCK".
2. Check that signal shown in the figure below can be detected during 10 second just after door lock and unlock switch (driver side) is turned "LOCK" or "UNLOCK".





Is the inspection result normal?
YES - GO TO 4
NO - GO TO 2
2.CHECK POWER WINDOW SWITCH GROUND
1. Turn ignition switch OFF.
2. Disconnect main power window and door lock/unlock switch connector.





3. Check continuity between main power window and door lock/unlock switch connector and ground.





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 M18 (A) terminal 40 and main power window and door lock/unlock switch connector
D8 (B) terminal 14.





3. Check continuity between BCM connector M18 (A) terminal 40 and ground.





Is the inspection result normal?
YES - GO TO 4
NO - Repair or replace harness.
4.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- Inspection End.