Normal Operation - Vehicles not equipped with a Circuit Deactivation Ignition Module (CDIM)
WARNING: This page is about a different car, the 2012 Ford Pickup, 2012 Ford F550 Super Duty, 2012 Ford F450 Super Duty, and 2012 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
When the ignition switch is placed in the ACC position, voltage is sent through the run/acc circuit to the Body Control Module (BCM) internal logic and BCM fuses 43 (10A) and 44 (10A).