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HOMESERVICE MANUALSFORD2007FUSION SEL, 2.3 Z, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 164 (ANTI-LOCK BRAKE SYSTEM)DIAGNOSIS AND TESTINGANTI-LOCK CONTROLPINPOINT TEST B: DTC B1484 - BRAKE PEDAL INPUT OPEN CIRCUITTESTING
2007 Ford Fusion SEL, 2.3 Z, Standard

Pinpoint Test B: DTC B1484 - Brake Pedal Input Open Circuit: Testing

2007 Ford Fusion SEL, 2.3 Z, StandardSECTION Testing
WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
  1. B1 CHECK THE STOPLAMPS 
    • Apply the brake pedal while observing the stoplamps.
    • Do the stoplamps illuminate? 
    • Yes  : GO to B2.
    • No  : REFER to EXTERIOR LIGHTING to continue diagnosis of the stoplamps.
  2. B2 CHECK CIRCUIT 810 (RD/LG) FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: ABS Module C135.
    • Measure the voltage between the ABS module connector C135-30, circuit 810 (RD/LG), harness side and ground while applying the brake pedal.
      Fig 1: Checking Circuit 810 (RD/LG) For Open
      G03988511Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes  : GO to B3
    • No  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
  3. B3 CHECK FOR CORRECT ABS MODULE OPERATION 
    • Disconnect the ABS module connector.
    • Check for:
      • corrosion
      • pushed-out pins
    • Connect the ABS module connector and make sure it seats correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    • Yes  : INSTALL a new ABS module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE . CLEAR the DTCs. REPEAT the self-test.
    • No  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.
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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.