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Home >> Ford >> 2006 >> Freestar SEL >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnosis And Testing >> Anti-Lock Control >> Pinpoint Tests >> Pinpoint Test B: DTC C1288 - Pressure Transducer Main/Primary Input Circuit Failure >> Normal Operation

Normal Operation

The brake pedal switch has greater than 10 volts when the ignition is in the ON position. When the brake is applied, voltage to the anti-lock brake system (ABS) module is removed. This normally closed switch is powered by the smart junction box (SJB) fuse 18 (10A) on circuit 601 (LB/PK) and feeds the ABS module on circuit 535 (LB/RD).