Normal Operation
WARNING: This page is about a different car, the 2008 Mercury Milan, 2008 Lincoln MKZ, and 2008 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
The operating voltage required to supply the ABS module, hydraulic pump and isolation valves is in a range between 10 and 16 volts.
Fused battery voltage is supplied to the ABS module from battery junction box (BJB) fuse 10 (30A) along circuit SBB10 (YE/RD) and fuse 8 (40A) along circuit SBB08 (VT/RD). Fused ignition voltage is supplied to the ABS module from smart junction box (SJB) fuse 28 (10A) along CBP19 (BN/WH) and ground is provided to the module along circuit GD123 (BK/GY).
This pinpoint test is intended to diagnose the following:
- Base brake system
- Hydraulic control unit (HCU)