Diagnosis Procedure LH&RH Front Anti-Pinch Coupe

POWER WINDOW SERIAL LINK

POWER WINDOW MAIN SWITCH : Diagnosis Procedure

Regarding Wiring Diagram information, Coupe With Left And Right Power Window Anti-Pinch.

Power Window Serial Link Check


1. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL

1.Remove Intelligent Key, and close 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 and main power window and door lock/unlock switch.
3.Check continuity between BCM connector (A) and main power window and door lock/unlock switch 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 Coupe. After that, LH&RH Front Anti-Pinch Coupe.
NO- Repair or replace harness.