Diagnosis Procedure

DOOR LOCK AND UNLOCK SWITCH


PASSENGER SIDE : Description

Transmits door lock/unlock operation to BCM.




DOOR LOCK AND UNLOCK SWITCH


PASSENGER SIDE : Diagnosis Procedure

Regarding Wiring Diagram information, Electrical Diagrams.
1.CHECK POWER WINDOW SWITCH OUTPUT SIGNAL





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





3. Check continuity between front power window switch (passenger side) 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 and front power window switch (passenger side) connector.





3. Check continuity between BCM connector and ground.




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