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Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> Body & Frame >> Seats >> Seat System - Seats-Seating - 1ST Row >> Diagnostic Routine(S) >> Diagnostic Routine F >> Pinpoint Test

Pinpoint Test

  1. CHECK THE HORIZONTAL MOTOR FOR CORRECT OPERATION
    1. 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.

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

    Does the seat move horizontally? 

    1. Yes: GO to  5  .
    2. No: GO to 2  .
  2. CHECK FOR VOLTAGE TO THE PASSENGER SEAT HORIZONTAL MOTOR
    1. Disconnect: Passenger Seat Horizontal Motor C332.
    2. 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:

      Passenger Seat Horizontal Motor Passenger Seat Horizontal Motor
      G08038636
      G08038637
      C332 C332
      Pin Circuit Measurement / Action Pin Circuit
      1 CPS38 (GN/BU)
      G08038638
      		 2 CPS33 (WH)

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

    1. Yes: INSTALL a new seat track assembly. REFER to Seat Track . GO to  12.
    2. No: GO to 3  .
  3. CHECK THE HORIZONTAL MOTOR CIRCUIT FOR AN OPEN
    1. Disconnect: Passenger Seat Control Switch C3190.
    2. Measure:
      Passenger Seat Control Switch Passenger Seat Horizontal Motor
      G08038639
      G08038640
      C3190 C332
      Pin Circuit Measurement / Action Pin Circuit
      6 CPS38 (GN/BU)
      G08038641
      		 1 CPS38 (GN/BU)

    Is the resistance less than 3 ohms? 

    1. Yes: GO to 4  .
    2. No: REPAIR the circuit. GO to  12  .
  4. CHECK THE HORIZONTAL MOTOR CIRCUIT FOR AN OPEN
    1. Measure:
      Passenger Seat Control Switch Passenger Seat Horizontal Motor
      G08038642
      G08038643
      C3190 C332
      Pin Circuit Measurement / Action Pin Circuit
      3 CPS33 (WH)
      G08038644
      		 2 CPS33 (WH)

    Is the resistance less than 3 ohms? 

    1. Yes: INSTALL a new seat control switch. REFER to Seat Control Switch . GO to  12.
    2. No: REPAIR the circuit. GO to  12.
  5. DETERMINE THE SEAT HEIGHT ADJUST FAILURE
    1. Operate the seat front and rear height adjustments.

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

    1. Yes: If only the front height adjust motor operates, GO to 6  .

      If only the rear height adjust motor operates, GO to  9  .

    2. No: INSTALL a new seat control switch. REFER to Seat Control Switch . GO to  12.
  6. CHECK FOR VOLTAGE TO THE PASSENGER SEAT REAR HEIGHT MOTOR
    1. Disconnect: Passenger Seat Rear Height Motor C3075.
    2. 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:

      Passenger Seat Rear Height Motor Passenger Seat Rear Height Motor
      G08038645
      G08038646
      C3075 C3075
      Pin Circuit Measurement / Action Pin Circuit
      5 CPS36 (YE/GY)
      G08038647
      		 1 CPS37 (WH/BU)

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

    1. Yes: INSTALL a new seat track assembly. REFER to Seat Track . GO to  12.
    2. No: GO to 7  .
  7. CHECK THE REAR HEIGHT MOTOR CIRCUIT FOR AN OPEN
    1. Disconnect: Passenger Seat Control Switch C3190.
    2. Measure:
      Passenger Seat Control Switch Passenger Seat Rear Height Motor
      G08038648
      G08038649
      C3190 C3075
      Pin Circuit Measurement / Action Pin Circuit
      5 CPS36 (YE/GY)
      G08038650
      		 5 CPS36 (YE/GY)

    Is the resistance less than 3 ohms? 

    1. Yes: GO to 8  .
    2. No: REPAIR the circuit. GO to  12  .
  8. CHECK THE REAR HEIGHT MOTOR CIRCUIT FOR AN OPEN
    1. Measure:
      Passenger Seat Control Switch Passenger Seat Rear Height Motor
      G08038651
      G08038652
      C3190 C3075
      Pin Circuit Measurement / Action Pin Circuit
      7 CPS37 (WH/BU)
      G08038653
      		 1 CPS37 (WH/BU)

    Is the resistance less than 3 ohms? 

    1. Yes: INSTALL a new seat control switch. REFER to Seat Control Switch . GO to  12.
    2. No: REPAIR the circuit. GO to  12.
  9. CHECK FOR VOLTAGE TO THE PASSENGER SEAT FRONT HEIGHT MOTOR
    1. Disconnect: Passenger Seat Front Height Motor C3074.
    2. 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:

      Passenger Seat Front Height Motor Passenger Seat Front Height Motor
      G08038654
      G08038655
      C3074 C3074
      Pin Circuit Measurement / Action Pin Circuit
      1 CPS35 (VT/GN)
      G08038656
      		 2 CPS34 (GY/BU)

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

    1. Yes: INSTALL a new seat track assembly. REFER to Seat Track . GO to  12.
    2. No: GO to 10  .
  10. CHECK THE FRONT HEIGHT MOTOR CIRCUIT FOR AN OPEN
    1. Disconnect: Passenger Seat Control Switch C3190.
    2. Measure:
      Passenger Seat Control Switch Passenger Seat Front Height Motor
      G08038657
      G08038658
      C3190 C3074
      Pin Circuit Measurement / Action Pin Circuit
      1 CPS34 (GY/BU)
      G08038659
      		 2 CPS34 (GY/BU)

    Is the resistance less than 3 ohms? 

    1. Yes: GO to 11  .
    2. No: REPAIR the circuit. GO to  12  .
  11. CHECK THE FRONT HEIGHT MOTOR CIRCUIT FOR AN OPEN
    1. Measure:
      Passenger Seat Control Switch Passenger Seat Front Height Motor
      G08038660
      G08038661
      C3190 C3074
      Pin Circuit Measurement / Action Pin Circuit
      8 CPS35 (VT/GN)
      G08038662
      		 1 CPS35 (VT/GN)

    Is the resistance less than 3 ohms? 

    1. Yes: INSTALL a new seat control switch. REFER to Seat Control Switch . GO to 12  .
    2. No: REPAIR the circuit. GO to 12  .
  12. CHECK FOR SRS DTCs 
    1. 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.

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

    Are any RCM DTCs retrieved during self-test? 

    1. Yes: REFER to DTC CHART: RESTRAINT CONTROL MODULE (RCM) for pinpoint test direction.
    2. No: The repair is complete. RETURN the vehicle to the customer.
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