Operation CHARM: Car repair manuals for everyone.

Shift Interlock: Testing and Inspection

1. Turn ignition switch to RUN.
2. Verify that transmission range selector lever is in PARK.
3. Without brake pedal applied, verify that transmission range selector lever cannot be shifted from PARK.
4. Apply brake pedal. Verify that transmission range selector lever can be shifted from PARK.
5. Shift transmission range selector lever to REVERSE.
6. Verify that ignition switch cannot be turned to the LOCK position.
7. Shift transmission range selector lever to PARK.
8. Verify that ignition switch can be turned to the LOCK position.
9. If shift-lock system is not operating as specified.