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Home >> Ford >> 2004 >> Excursion 6.0 P, 4WD >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 406 (Anti-Lock Control System) >> Diagnosis And Testing >> Anti-Lock Control >> Pinpoint Tests >> Pinpoint Test P: DTC C1440 (ABS Only) - Pressure Transducer Signal Fault >> Normal Operation
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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 brake pressure switch provides an additional speed control deactivation if the BPP switch fails. When the brake pedal is pressed, 1700 kPa (246 psi) of brake fluid pressure in the brake master cylinder opens the brake pressure switch, removing B+ voltage to the speed control servo electric clutch.

Possible Causes