Diagnosis Procedure LH&RH Front Anti-Pinch Sedan

POWER WINDOW SERIAL LINK

FRONT POWER WINDOW SWITCH : Diagnosis Procedure

Regarding Wiring Diagram information, Sedan With Left Front Only Power Window Anti- Pinch.

Power Window Serial Link Check


1. CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH

1.Remove Intelligent Key, and close the front door LH and RH.
2.Check signal between BCM connector and ground with oscilloscope when door lock and unlock switch (LH and RH) is turned to "LOCK" or "UNLOCK".
3.Check that signals which are shown in the figure below can be detected during 10 second just after door lock and unlock switch (LH and RH) is turned to "LOCK" or "UNLOCK".





Is the inspection result normal?
YES- Power window serial link is OK.
NO- GO TO 2

2. CHECK POWER WINDOW SERIAL LINK CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect BCM.
3.Check continuity between BCM connector (A) and power window and door lock/unlock switch RH connector (B).





4.Check continuity between BCM connector (A) and ground.





Is the inspection result normal?
YES- Replace main power window and door lock/unlock switch. LH&RH Front Anti-Pinch Sedan. After that, LH&RH Front Anti-Pinch Sedan.
NO- Repair or replace harness.