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HOMESERVICE MANUALSFORD2005TAURUS SEL, 4D SEDANREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSDIAGNOSIS AND TESTINGSPEED CONTROLPINPOINT TESTSPINPOINT TEST B: FLASH CODE 2 - BRAKE PEDAL POSITION (BPP) SWITCH OR CIRCUIT FAILURE
2005 Ford Taurus SEL, 4D Sedan

Pinpoint Test B: Flash Code 2 - Brake Pedal Position (BPP) Switch Or Circuit Failure

2005 Ford Taurus SEL, 4D SedanSECTION Pinpoint Test B: Flash Code 2 - Brake Pedal Position (BPP) Switch Or Circuit Failure
  1. B1 CHECK THE STOPLAMP OPERATION 
    • Press the brake pedal.
    • Do the stoplamps come on? 
    • Yes  : GO to  B2.
    • No  : REFER to EXTERIOR LIGHTING to continue diagnosis of the stoplamps.
  2. B2 CHECK CIRCUIT 810 (RD/LG) FOR SHORT TO POWER 
    • Key in OFF position.
    • Disconnect: Speed Control Actuator C122.
    • Key in ON position.
    • Measure the voltage between the speed control actuator C122 pin 4, circuit 810 (RD/LG), harness side, and the speed control actuator C122 pin 10, circuit 57 (BK), harness side.
      Fig 1: Measuring Voltage Between Speed Control Actuator C122 Pin 4, Circuit 810 (RD/LG), Harness Side, And Speed Control Actuator C122 Pin 10, Circuit 57 (BK), Harness Side
      G03957684Courtesy of FORD MOTOR CO.
    • Is any voltage indicated? 
    • Yes  : REPAIR the circuit. TEST the system for normal operation.
    • No  : GO to  B3.
  3. B3 CHECK CIRCUIT 810 (RD/LG) FOR AN OPEN 
    • Measure the voltage between the speed control actuator C122 pin 4, circuit 810 (RD/LG), harness side, and the speed control actuator C122 pin 10, circuit 57 (BK), harness side, while pressing the brake pedal.
      Fig 2: Measuring Voltage Between Speed Control Actuator C122 Pin 4, Circuit 810 (RD/LG), Harness Side, And Speed Control Actuator C122 Pin 10, Circuit 57 (BK), Harness Side
      G03957684Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes  : INSTALL a new speed control actuator. REFER to SPEED CONTROL ACTUATOR . TEST the system for normal operation.
    • No  : REPAIR the circuit. TEST the system for normal operation.
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