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Pinpoint Test C: Adjustable Brake Pedal Does Not Move

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. C1 CHECK THE MOTOR SOUND 
    • Allow 2 minutes for the thermal overload to reset.
    • Operate the adjustable pedal control switch.
    • Can the adjustable pedal motor be heard to operate? 
    • Yes  : GO to C2.
    • No  : GO to  C5.
  2. C2 CHECK THE BRAKE PEDAL CABLE INSTALLATION 
    • Check the brake pedal cable for correct installation.
    • Is the brake pedal cable properly installed? 
    • Yes  : GO to C3.
    • No  : CORRECT the brake pedal cable installation. TEST the system for normal operation.
  3. C3 CHECK THE ADJUSTABLE ACCELERATOR PEDAL SYSTEM 
    • Disconnect the brake pedal-to-accelerator pedal cable.
      Fig 1: Disconnecting Brake Pedal-To-Accelerator Pedal Cable
      G03919336Courtesy of FORD MOTOR CO.
    • Operate the adjustable pedal control switch.
    • Does the adjustable accelerator pedal operate now? 
    • Yes  : INSTALL a new adjustable brake pedal assembly. REFER to BRAKE PEDAL AND BRACKET . TEST the system for normal operation.
    • No  : GO to C4.
  4. C4 INSPECT FOR FOREIGN MATERIAL 
    • Inspect the adjustable accelerator pedal assembly for foreign material causing a binding condition.
    • Was any foreign material found? 
    • Yes  : REMOVE the foreign material. RETEST for normal operation.
    • No  : GO to C5.
  5. C5 CHECK THE CABLE 
    • Inspect the end of the brake pedal motor cable for wear or damage.
    • Is the cable end OK? 
    • Yes  : GO to C6.
    • No  : INSTALL a new accelerator pedal cable. REFER to ACCELERATION CONTROL . TEST the system for normal operation.
  6. C6 ISOLATE THE CONDITION 
    • Determine the position of the adjustable pedal.
    • Is the pedal stopped in a mid-range position? 
    • Yes  : GO to C7.
    • No  : If the pedal is in the full forward position, GO to  C12. If the pedal is in the full rearward position, GO to  C14.
  7. C7 CHECK POWER FEED TO THE ADJUSTABLE PEDAL SWITCH 
    • Disconnect: Adjustable Pedal Switch C2089.
    • Key in ACCESSORY position.
    • Measure the voltage between the adjustable pedal switch C2089 pin 2, circuit 1567 (RD/LB), harness side and ground.
      Fig 2: Measuring Voltage Between Adjustable Pedal Switch C2089 Pin 2, Circuit 1567 (RD/LB), Harness Side And Ground
      G03919337Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes  : GO to C8.
    • No  : REPAIR the open in circuit 1567 (RD/LB). TEST the system for normal operation.
  8. C8 ISOLATE THE SWITCH - CONTINUITY TO POWER FEED 
    • Press the switch to the forward and rearward position.
      Fig 3: Measuring Resistance Between Adjustable Pedal Switch Terminal 1, 2 And 7 Component Side
      G03919338Courtesy of FORD MOTOR CO.
    • Measure the resistance between the adjustable pedal switch terminal 1, 2 and 7 component side.
    • Are the resistances less than 5 ohms? 
    • Yes  : GO to C9.
    • No  : INSTALL a new adjustable pedal switch. TEST the system for normal operation.
  9. C9 CHECK THE GROUND CIRCUIT 
    • Measure the resistance between the adjustable pedal switch C2089 pin 3, circuit 57 (BK), harness side and ground; and between the adjustable pedal switch C2089 pin 6, circuit 57 (BK), harness side and ground.
      Fig 4: Checking Ground Circuit
      G03919339Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms at both terminals? 
    • Yes  : GO to C10.
    • No  : REPAIR the circuit(s) in question. TEST the system for normal operation
  10. C10 CHECK THE PEDAL FORWARD POWER CIRCUIT 
    • Disconnect: Adjustable Pedal Motor C2003.
    • Measure the resistance between the adjustable pedal switch C2089 pin 1, circuit 1490 (LB/OG), harness side and the adjustable pedal motor C2003 pin 1, circuit 1489 (LB/BK), harness side.
      Fig 5: Measuring Resistance Between Adjustable Pedal Switch C2089 Pin 1, Circuit 1490 (LB/OG), And Adjustable Pedal Motor C2003 Pin 1, Circuit 1489 (LB/BK)
      G03919340Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : GO to C11.
    • No  : REPAIR the circuit. TEST the system for normal operation.
  11. C11 CHECK THE MOTOR REARWARD FEED CIRCUIT FOR A SHORT TO VOLTAGE 
    • Measure the voltage between the adjustable pedal switch C2089 pin 7, circuit 1490 (LB/OG), harness side and ground.
      Fig 6: Measuring Voltage Between Adjustable Pedal Switch C2089 Pin 7, Circuit 1490 (LB/OG), And Ground
      G03919341Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes  : REPAIR the circuit. TEST the system for normal operation.
    • No  : GO to  C6.
  12. C12 ISOLATE THE SWITCH - SHORT TO POWER FEED 
    • Disconnect: Adjustable Pedal Switch C2089.
    • Measure the resistance between the adjustable pedal switch terminals 1 and 2 component side.
      Fig 7: Measuring Resistance Between Adjustable Pedal Switch Terminals 1 And 2 Component Side
      G03919342Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : INSTALL a new adjustable pedal switch. TEST the system for normal operation.
    • No  : GO to C13.
  13. C13 CHECK THE MOTOR FORWARD FEED CIRCUIT FOR A SHORT TO VOLTAGE 
    • Measure the voltage between the adjustable pedal switch C2089 pin 1, circuit 1489 (LB/BK), harness side and ground.
      Fig 8: Measuring Voltage Between Adjustable Pedal Switch C2089 Pin 1, Circuit 1489 (LB/BK), And Ground
      G03919343Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes  : REPAIR the circuit. TEST the system for normal operation.
    • No  : GO to  C6.
  14. C14 ISOLATE THE SWITCH - SHORT TO POWER SOURCE 
    • Disconnect: Adjustable Pedal Switch C2089.
    • Measure the resistance between the adjustable pedal switch terminals 1 and 7 component side.
      Fig 9: Measuring Resistance Between Adjustable Pedal Switch Terminals 1 And 7 Component Side
      G03919344Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : INSTALL a new adjustable pedal switch. TEST the system for normal operation.
    • No  : GO to C15.
  15. C15 CHECK THE PEDAL REARWARD POWER CIRCUIT 
    • Measure the resistance between C2089 pin 7, circuit 1489 (LB/BK), harness side and the adjustable pedal motor C2003 pin 2, circuit 1489 (LB/BK), harness side.
      Fig 10: Measuring Resistance Between C2089 Pin 7, Circuit 1489 (LB/BK), And Adjustable Pedal Motor C2003 Pin 2, Circuit 1489 (LB/BK)
      G03919345Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : INSTALL a new adjustable pedal motor.
    • No  : REPAIR the circuit. TEST the system for normal operation.
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