Pinpoint Test AX: The TRUNK AJAR Message Is Inoperative/Always On: Notes
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
Refer to SYSTEM WIRING DIAGRAMS article, Luggage Compartment for schematic and connector information.