Circuit/System Verification
WARNING: This page is about a different car, the 2013 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
- 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 - Trunk Release Switch Inoperative
- If the parameter changes
- If the parameter does not change
- Verify the operation of the M40 Rear Compartment Lid Latch when commanding the Trunk Lid Unlatch with a scan tool.
- If the M40 Rear Compartment Lid Latch does not Unlatch
Refer to Circuit/System Testing - Release Actuator Inoperative
- If the M40 Rear Compartment Lid Latch does Unlatch
- If the M40 Rear Compartment Lid Latch does not Unlatch
- All OK.