Pinpoint Test D: 4X4 Control Module Received No/Invalid Data from ABS Module: Notes
WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
Refer to appropriate SYSTEM WIRING DIAGRAMS article, Four-Wheel Drive System for schematic and connector information.