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Home >> Ford >> 2007 >> Crown Victoria V8-4.6L VIN W >> Repair and Diagnosis >> Brakes and Traction Control >> Antilock Brakes / Traction Control Systems >> Testing and Inspection >> Pinpoint Tests >> Test F: Poor Vehicle Tracking During Anti-Lock Function
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Test F: Poor Vehicle Tracking During Anti-Lock Function

Test F: Poor Vehicle Tracking During Anti-Lock Function

Refer to Vehicle/Diagrams for schematic and connector information.

Normal Operation
Fused battery voltage is provided to the anti-lock brake (ABS) module from battery junction box fuses 109 (20A) and 106 (40A) along circuits 483 (RD) and 601 (LB/PK) respectively. Fused ignition voltage is provided from central junction box (CJB) fuse 13 (10A) along circuit 1003 (GY/YE). When necessary, the ABS module supplies voltage to the hydraulic control unit (HCU) assembly and the pump motor is activated. The ABS module is provided a ground along circuit 57 (BK) and the hydraulic pump motor is provided a ground internally through the HCU.

Possible Causes
^ Base brake system
^ HCU assembly
^ Circuit shorted

F1-F7:




F7-F11:




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