Circuit/System Verification
- Ignition ON.
- Verify the scan tool Trunk Lid/Liftgate Window Exterior Unlatch Switch parameter changes between Active and Inactive when pressing and releasing the S58A Rear Compartment Lid Unlatch Switch-Exterior.
- If the parameter does not change
Refer to Circuit/System Testing - Liftgate Release Switch Inoperative
- If the parameter changes
- If the parameter does not change
- Verify the M30 Liftgate Latch functions while commanding the Liftgate Unlatch with a scan tool.
- If the M30 Liftgate Latch does not UNLATCH
Refer to Circuit/System Testing - Liftgate Latch Inoperative
- If the M30 Liftgate Latch does UNLATCH
- If the M30 Liftgate Latch does not UNLATCH
- All OK.
NOTE:
Verify all doors have been commanded UNLOCK with a scan tool prior to commanding the liftgate to unlatch