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 Exterior Trunk Release Switch Inoperative
- If the parameter changes
Verify the scan tool Interior Trunk Lid/Liftgate Window Unlatch Switch parameter changes between Inactive and Active when pressing the S58B Rear Compartment Lid Unlatch Switch-Interior.
- If the parameter does not change
  Refer to Interior Trunk Release Switch Inoperative
- If the parameter changes
Verify the M40 Rear Compartment Lid Latch functions when commanding the Trunk Lid Unlatch with a scan tool.
- If the M40 Rear Compartment Lid Latch does not function
  Refer to Release Actuator Inoperative
- If the M40 Rear Compartment Lid Latch does function
All OK.