Normal Operation
WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
The parking aid module communicates to the diagnostic tool through circuit 70 (LB/WH). Power is supplied to the parking aid module on circuit 1040 (RD/BK). The parking aid module is grounded through circuit 1205 (BK).