Front Door Key Cylinder Switch LH Check

POWER DOOR LOCK SYSTEM


Front Door Key Cylinder Switch LH Check

1.CHECK FRONT DOOR KEY CYLINDER SWITCH LH
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 and front key cylinder is turned to LOCK:

KEY CYL LK-SW : ON

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

KEY CYL UN-SW : ON

Without CONSULT-III





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





OK or NG
OK - Front door key cylinder switch LH signal is OK.
NG - GO TO 2.
2.CHECK FRONT DOOR KEY CYLINDER SWITCH LH GROUND HARNESS
1. Turn ignition switch OFF.
2. Disconnect front door key cylinder switch LH.





3. Check continuity between front door key cylinder switch LH connector D9 terminal 4 and body ground.





OK or NG
OK - GO TO 3.
NG - Repair or replace harness.
3.CHECK DOOR KEY CYLINDER SWITCH LH





Check continuity between front door key cylinder switch LH terminals.





OK or NG
OK - GO TO 4.
NG - Replace front door key cylinder switch LH. Locations Front Door Lock.
4.CHECK DOOR KEY CYLINDER HARNESS
1. Disconnect BCM connector M18.





2. Check continuity between BCM connector M18 (A) terminals 7, 8 and front door key cylinder switch LH connector D9 (B) terminals 5, 6 and body ground.





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