Coupe

KEY CYLINDER SWITCH

Diagnosis Procedure (With LH Anti-Pinch Only)

Regarding Wiring Diagram information, Coupe.

1. CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

1.Turn ignition switch ON.





2.Check voltage between BCM connector and ground.





Is the inspection result normal?
YES- Replace main power window and door lock/unlock switch. LH Only Anti-Pinch Coupe.
NO- GO TO 2

2. CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect door lock assembly LH (key cylinder switch) connector.





3.Check continuity between door lock assembly LH (key cylinder switch) connector and ground.





Is the inspection result normal?
YES- GO TO 3
NO- Repair or replace harness.

3. CHECK DOOR KEY CYLINDER SIGNAL CIRCUIT

1.Disconnect BCM connector M18.





2.Check continuity between door lock assembly LH (key cylinder switch) connector D25 terminals 5, 6 and BCM connector M18
(B) terminals 34, 56.





3.Check continuity between door lock assembly LH (key cylinder switch) connector D10 (A) terminals 5, 6 and ground.





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

4. CHECK DOOR KEY CYLINDER SWITCH

Check door key cylinder switch.
Coupe.
Is the inspection result normal?
YES- Check intermittent incident. Intermittent Incident.
NO- Replace door lock assembly LH (key cylinder switch). Coupe.