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Home >> Ford >> 2015 >> Explorer Limited, 3.5L Eng VIN 8, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Seating System - 1ST Row >> Diagnosis And Testing >> Seating >> Pinpoint Tests >> PINPOINT TEST F : The Power Seat Does Not Move Horizontally or Vertically - Passenger, without Power Recline >> PINPOINT TEST F : The Power Seat Does Not Move Horizontally or Vertically - Passenger, without Power Recline

PINPOINT TEST F : The Power Seat Does Not Move Horizontally or Vertically - Passenger, without Power Recline

  1. F1 CHECK THE HORIZONTAL MOTOR FOR CORRECT OPERATION

      WARNING: Turn the ignition OFF and wait one minute to deplete the backup power supply. Failure to follow this instruction may result in serious personal injury or death in the event of an accidental deployment.

    • Ignition OFF.

    • Disconnect: Passenger Seat Side Air Bag C339 .
    • Operate the passenger seat forward and rearward.

    Does the seat move horizontally? 

    Yes  GO to  F5.
    No  GO to  F2.

  2. F2 CHECK FOR VOLTAGE TO THE PASSENGER SEAT HORIZONTAL MOTOR

    • Disconnect: Passenger Seat Horizontal Motor C332 .
      NOTE: During the following step, the voltage being measured changes polarity dependent upon which direction the seat control switch is activated.
    • While pushing the passenger seat control switch forward and rearward, measure:
      Positive Lead Measurement / Action Negative Lead
      C332-1
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 C332-2

    Is the voltage greater than 11 volts when the seat control switch is operated and 0 volt in the rest position? 

    Yes  INSTALL a new front seat track motor. Refer to Seat Track Motor - Front . GO to  F12.
    No  GO to  F3.

  3. F3 CHECK THE HORIZONTAL MOTOR CIRCUIT FOR AN OPEN

    • Disconnect: Passenger Seat Control Switch C3190 .
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C3190-6
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C332-1

    Is the resistance less than 3 ohms? 

    Yes  GO to  F4.
    No  REPAIR the circuit. GO to  F12.

  4. F4 CHECK THE HORIZONTAL MOTOR CIRCUIT FOR AN OPEN

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C3190-3
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C332-2

    Is the resistance less than 3 ohms? 

    Yes  INSTALL a new seat control switch. Refer to Seat Control Switch . GO to  F12.
    No  REPAIR the circuit. GO to  F12.

  5. F5 DETERMINE THE SEAT HEIGHT ADJUST FAILURE

    • Operate the seat front and rear height adjustments.

    Does the seat front and rear height adjust up and down? 

    Yes  If only the front height adjust motor operates, GO to  F6. If only the rear height adjust motor operates, GO to  F9.
    No  INSTALL a new seat control switch. Refer to Seat Control Switch . GO to  F12.

  6. F6 CHECK FOR VOLTAGE TO THE PASSENGER SEAT REAR HEIGHT MOTOR

    • Disconnect: Passenger Seat Rear Height Motor C3075 .
      NOTE: During the following step, the voltage being measured changes polarity dependent upon which direction the seat control switch is activated.
    • While pressing the rear height adjust switch up and down, measure:
      Positive Lead Measurement / Action Negative Lead
      C3075-5
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 C3075-1

    Is the voltage greater than 11 volts when the seat control switch is operated and 0 volt in the rest position? 

    Yes  INSTALL a new seat track assembly. Refer to Seat Track . GO to  F12.
    No  GO to  F7.

  7. F7 CHECK THE REAR HEIGHT MOTOR CIRCUIT FOR AN OPEN

    • Disconnect: Passenger Seat Control Switch C3190 .
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C3190-5
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C3075-5

    Is the resistance less than 3 ohms? 

    Yes  GO to  F8.
    No  REPAIR the circuit. GO to  F12.

  8. F8 CHECK THE REAR HEIGHT MOTOR CIRCUIT FOR AN OPEN

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C3190-7
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C3075-1

    Is the resistance less than 3 ohms? 

    Yes  INSTALL a new seat control switch. Refer to Seat Control Switch . GO to  F12.
    No  REPAIR the circuit. GO to  F12.

  9. F9 CHECK FOR VOLTAGE TO THE PASSENGER SEAT FRONT HEIGHT MOTOR

    • Disconnect: Passenger Seat Front Height Motor C3074 .
      NOTE: During the following step, the voltage being measured changes polarity dependent upon which direction the seat control switch is activated.
    • While pressing the front height adjust switch up and down, measure:
      Positive Lead Measurement / Action Negative Lead
      C3074-1
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 C3074-2

    Is the voltage greater than 11 volts when the seat control switch is operated and 0 volt in the rest position? 

    Yes  INSTALL a new seat track assembly. Refer to Seat Track . GO to  F12.
    No  GO to  F10.

  10. F10 CHECK THE FRONT HEIGHT MOTOR CIRCUIT FOR AN OPEN

    • Disconnect: Passenger Seat Control Switch C3190 .
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C3190-1
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C3074-2

    Is the resistance less than 3 ohms? 

    Yes  GO to  F11.
    No  REPAIR the circuit. GO to  F12.

  11. F11 CHECK THE FRONT HEIGHT MOTOR CIRCUIT FOR AN OPEN

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C3190-8
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C3074-1

    Is the resistance less than 3 ohms? 

    Yes  INSTALL a new seat control switch. Refer to Seat Control Switch . GO to  F12.
    No  REPAIR the circuit. GO to  F12.

  12. F12 CHECK FOR SRS DTCs

      WARNING: Turn the ignition OFF and wait one minute to deplete the backup power supply. Failure to follow this instruction may result in serious personal injury or death in the event of an accidental deployment.

    • Ignition OFF.

    • Connect: Passenger Seat Side Air Bag C339 .
    • Connect: All previously disconnected electrical connectors.
    • Ignition ON.
    • Using a diagnostic scan tool, clear the RCM DTCs.
    • Cycle the ignition OFF then ON.
    • Using a diagnostic scan tool, perform RCM self-test.

    Are any RCM DTCs retrieved during self-test? 

    Yes  REFER to Supplemental Restraint System for pinpoint test direction.
    No  The repair is complete. RETURN the vehicle to the customer.
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