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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 662 (Cruise Control System -- F250-F550 Super Duty) >> Diagnosis And Testing >> Speed Control >> Pinpoint Tests >> Pinpoint Test C: DTC P1703 Or DTC P1572 - Brake On/Off Circuit Failure >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2006 Ford Pickup, 2006 Ford F550 Super Duty, 2006 Ford F450 Super Duty, and 2006 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

The stoplamp switch sends a voltage signal through circuit 810 (RD/LG) to the powertrain control module (PCM) when the brake pedal is applied, and deactivates the speed control if engaged. The speed control deactivator switch sends a voltage signal through circuit 307 (BK/YE) to the PCM when the brake pedal is not applied. When the brake pedal is applied, the voltage signal is removed and the speed control is deactivated.

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