Pinpoint Test B: DTC P1572 or P1703 - Brake On/Off Circuit Failure: Notes
WARNING: This page is about a different car, the 2009 Mercury Milan, 2009 Lincoln MKZ, and 2009 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
Refer to CRUISE CONTROL for Fusion, CRUISE CONTROL for MKZ, CRUISE CONTROL for Milan for schematic and connector information.