Diagnosis Procedure LH&RH Front Anti-Pinch Coupe

POWER SUPPLY AND GROUND CIRCUIT

POWER WINDOW MAIN SWITCH : Diagnosis Procedure

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

Main Power Window And Door Lock/Unlock Switch Power Supply Circuit Check


1. CHECK POWER SUPPLY CIRCUIT

1.Turn ignition switch ON.
2.Check voltage between main power window and door lock/ unlock switch connectors and ground.






Is the measurement value within the specification?
YES- GO TO 3
NO- GO TO 2

2. CHECK HARNESS CONTINUITY

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 connectors (B).





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





Is the inspection result normal?
YES- GO TO 4
NO- Repair or replace harness.

3. CHECK GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect main power window and door lock/unlock switch.
3.Check continuity between main power window and door lock/ unlock switch connector and ground.





Is the inspection result normal?
YES- GO TO 5
NO- Repair or replace harness.

4. CHECK BCM OUTPUT SIGNAL

1.Connect BCM.
2.Turn ignition switch ON.
3.Check voltage between BCM connector and ground.





Is the measurement value within the specification?
YES- Check intermittent incident. Intermittent Incident.
NO- Replace BCM. Service and Repair.

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

1.Connect main power window and door lock/unlock switch.
2.Turn ignition switch ON.
3.Check voltage between main power window and door lock/unlock switch connector and ground.





Is the measurement value within the specification?
YES- Check intermittent incident. Intermittent Incident.
NO- Replace main power window and door lock/unlock switch. LH & RH Front Anti-Pinch Coupe.