Front Door Lock Assembly LH (Key Cylinder Switch) Check

POWER DOOR LOCK SYSTEM


Front Door Lock Assembly LH (Key Cylinder Switch) Check

1.CHECK FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH)
With CONSULT-III
Check front door key cylinder switch ("KEY CYL LK-SW") and ("KEY CYL UN-SW) in DATA MONITOR mode in CONSULT-III. Scan Tool Testing and Procedures .
- When key inserted in front key cylinder is turned to LOCK:





- When key inserted in front key cylinder is turned to UNLOCK:





Without CONSULT-III





Check voltage between BCM connector M18 terminals 7, 8 and ground.





OK or NG
OK - Front door lock assembly LH (key cylinder switch) signal is OK.
NG - GO TO 2
2.CHECK FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH) GROUND HARNESS





1. Turn ignition switch OFF.
2. Disconnect front door lock assembly LH (key cylinder switch).
3. Check continuity between front door lock assembly LH (key cylinder switch) connector D14 terminal 4 and body ground.





OK or NG
OK - GO TO 3
NG - Repair or replace harness.
3.CHECK FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH)





Check continuity between front door lock assembly LH (key cylinder switch) terminals.





OK or NG
OK - GO TO 4
NG - Replace front door lock assembly LH (key cylinder switch). Locations Front Door Lock .
4.CHECK FRONT DOOR LOCK ASSEMBLY LH (KEY CYLINDER SWITCH) HARNESS





1. Disconnect BCM connector M18.
2. Check continuity between BCM connector (A) M18 terminals 7, 8 and front door lock assembly LH (key cylinder switch) connector (B) D14 terminals 5, 6 and body ground.






OK or NG
OK - Front door lock assembly LH (key cylinder switch) circuit is OK.
NG - Repair or replace harness.