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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 849 (Auxiliary Brake System) >> Diagnostic Tests >> Auxiliary Brake System - Trailer Brake Control (TBC) Module >> Pinpoint Tests >> Pinpoint Test C: DTCs C2797, C2798, C2800, C2801 And C2803 - Brake Pressure Transducer Circuit Failure >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

The brake pressure transducer is attached to the brake master cylinder and they are serviced as an assembly. The transducer provides the trailer brake control (TBC) module with the current brake pressure information. The TBC module supplies voltage to the transducer along circuit 3602 (TN/YE) and ground along circuit 3600 (RD/WH). The voltage returned from the transducer along circuit 3601 (WH/RD) is used by the TBC module to determine current brake pressure.

Possible Causes

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