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Home >> Ford >> 2011 >> Explorer Base, AWD, 6F55 >> Repair and Diagnosis >> Body & Frame >> Seats >> Seat System - Seating - 1ST Row >> Diagnostic Routine(S) >> Diagnostic Routine G >> Pinpoint Test

Pinpoint Test

  1. 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.
    1. 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 2  on page 2.
      2. No:  GO to 3  on page 2.
  2. CHECK THE RECLINER MOTOR FOR CORRECT OPERATION
    1. Recline the passenger backrest forward and rearward.
      • Does the seat backrest recline forward and rearward? 
      1. Yes:  GO to 6  on page 4.
      2. No:  GO to 13  on page 8.
  3. 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.
      Fig 1: Measuring Passenger Seat Horizontal Motor Connector Terminal Identification
      G07427487Courtesy of FORD MOTOR CO.
    2. While pushing the passenger seat control switch forward and rearward, measure:
      • 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 16  on page 10.
      2. No:  GO to 4  on page 3.
  4. CHECK THE HORIZONTAL MOTOR CIRCUIT FOR AN OPEN
    1. Disconnect: Passenger Seat Control Switch C330.
    2. Measure:
      Fig 2: Measuring Passenger Seat Control Switch Connector And Passenger Seat Horizontal Motor Connector Terminal Identification
      G07427488Courtesy of FORD MOTOR CO.
      • Is the resistance less than 3 ohms? 
      1. Yes:  GO to 5  on page 3.
      2. No:  REPAIR the circuit. GO to 16  on page 10.
  5. CHECK THE HORIZONTAL MOTOR CIRCUIT FOR AN OPEN
    1. Measure:
      Fig 3: Measuring Passenger Seat Control Switch Connector And Passenger Seat Horizontal Motor Connector Terminal Identification
      G07427489Courtesy of FORD MOTOR CO.
      • Is the resistance less than 3 ohms? 
      1. Yes:  INSTALL a new seat control switch. REFER to SEAT CONTROL SWITCH . GO to 16  on page 10.
      2. No:  REPAIR the circuit. GO to 16  on page 10.
  6. 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 7  on page 4.

        If only the rear height adjust motor operates, GO to 10  on page 6.

      2. No:  INSTALL a new seat control switch. REFER to SEAT CONTROL SWITCH . GO to 16  on page 10.
  7. 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.
      Fig 4: Measuring Passenger Seat Rear Height Motor Connector Terminal Identification
      G07427490Courtesy of FORD MOTOR CO.
    2. While pressing the rear height adjust switch up and down, measure:
      • 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 16  on page 10.
      2. No:  GO to 8  on page 5.
  8. CHECK THE REAR SEAT HEIGHT MOTOR FOR AN OPEN
    1. Disconnect: Passenger Seat Control Switch C330.
    2. Measure:
      Fig 5: Measuring Passenger Seat Control Switch Connector And Passenger Seat Rear Height Motor Connector Terminal Identification
      G07427491Courtesy of FORD MOTOR CO.
      • Is the resistance less than 3 ohms? 
      1. Yes:  GO to 9  on page 6.
      2. No:  REPAIR the circuit. GO to 16  on page 10.
  9. CHECK THE REAR SEAT HEIGHT MOTOR FOR AN OPEN
    1. Measure:
      Fig 6: Measuring Passenger Seat Control Switch Connector And Passenger Seat Rear Height Motor Connector Terminal Identification
      G07427492Courtesy of FORD MOTOR CO.
      • Is the resistance less than 3 ohms? 
      1. Yes:  INSTALL a new seat control switch. REFER to SEAT CONTROL SWITCH . GO to 16  on page 10.
      2. No:  REPAIR the circuit. GO to 16  on page 10.
  10. 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.
      Fig 7: Measuring Passenger Seat Front Height Motor Connector Terminal Identification
      G07427493Courtesy of FORD MOTOR CO.
    2. While pressing the front height adjust switch up and down, measure:
      • 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 16  on page 10.
      2. No:  GO to 11  on page 7.
  11. CHECK THE FRONT HEIGHT MOTOR CIRCUIT FOR AN OPEN
    1. Disconnect: Passenger Seat Control Switch C330.
    2. Measure:
      Fig 8: Measuring Passenger Seat Control Switch Connector And Passenger Seat Front Height Motor Connector Terminal Identification
      G07427494Courtesy of FORD MOTOR CO.
      • Is the resistance less than 3 ohms? 
      1. Yes:  GO to 12  on page 8.
      2. No:  REPAIR the circuit. GO to 16  on page 10.
  12. CHECK THE FRONT HEIGHT MOTOR CIRCUIT FOR AN OPEN
    1. Measure:
      Fig 9: Measuring Passenger Seat Control Switch Connector And Passenger Seat Front Height Motor Connector Terminal Identification
      G07427495Courtesy of FORD MOTOR CO.
      • Is the resistance less than 3 ohms? 
      1. Yes:  INSTALL a new seat control switch. REFER to SEAT CONTROL SWITCH . GO to 16  on page 10.
      2. No:  REPAIR the circuit. GO to 16  on page 10.
  13. CHECK FOR VOLTAGE TO THE PASSENGER SEAT RECLINER MOTOR
    1. Disconnect: Passenger Seat Recliner Motor C3189.
      2. NOTE: During the following step, the voltage being measured changes polarity dependent upon which direction the seat control switch is activated.
      Fig 10: Measuring Passenger Seat Recliner Motor Connector Terminal Identification
      G07427496Courtesy of FORD MOTOR CO.
    2. While pushing the recline switch forward and rearward, measure:
      • 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 recliner motor. REFER to SEAT RECLINER MOTOR . GO to 16  on page 10.
      2. No:  GO to 14  on page 9.
  14. CHECK THE RECLINER MOTOR CIRCUIT FOR AN OPEN
    1. Disconnect: Passenger Seat Control Switch C330.
    2. Measure:
      Fig 11: Measuring Passenger Seat Control Switch Connector And Passenger Seat Recliner Motor Connector Terminal Identification
      G07427497Courtesy of FORD MOTOR CO.
      • Is the resistance less than 3 ohms? 
      1. Yes:  GO to 15  on page 10.
      2. No:  REPAIR the circuit. GO to 16  on page 10.
  15. CHECK THE RECLINER MOTOR CIRCUIT FOR AN OPEN
    1. Measure:
      Fig 12: Measure Passenger Seat Control Switch Connector And Passenger Seat Recliner Motor Connector Terminal Identification
      G07427498Courtesy of FORD MOTOR CO.
      • Is the resistance less than 3 ohms? 
      1. Yes:  INSTALL a new seat control switch. REFER to SEAT CONTROL SWITCH . GO to 16  on page 10.
      2. No:  REPAIR the circuit. GO to 16  on page 10.
  16. CHECK FOR Supplemental Restraint System (SRS) Diagnostic Trouble Codes (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.
    1. 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 Restraints Control Module (RCM) Diagnostic Trouble Codes (DTCs).
    6. Cycle the ignition OFF then ON.
    7. Using a scan tool, perform Restraints Control Module (RCM) self-test.
      • Are any Restraints Control Module (RCM) Diagnostic Trouble Codes (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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