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Home >> Ford >> 2015 >> Explorer Limited, 3.5L Eng VIN 8, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Seats >> Seating System - 1ST Row >> Diagnosis And Testing >> Seating >> Pinpoint Tests >> PINPOINT TEST J : The Memory Seat Does Not Operate Correctly - Does Not Operate Using the Memory Set Switch >> PINPOINT TEST J : The Memory Seat Does Not Operate Correctly - Does Not Operate Using the Memory Set Switch

PINPOINT TEST J : The Memory Seat Does Not Operate Correctly - Does Not Operate Using the Memory Set Switch

  1. J1 CHECK THE PCM TR PID STATES

    • Ignition ON.
    • Using a diagnostic scan tool, view PCM PID TR.
    • Operate the transmission gear selector in all positions while monitoring the PCM PID TR states.

    Do the PID states agree with the selected positions? 

    Yes  GO to  J2.
    No  To diagnose a transmission gear selector (PRNDL) status concern, REFER to Automatic Transmission 6F50/6F55 .

  2. J2 CHECK THE DSM IGNITION SWITCH STATUS (IGN_SW) PID STATES

    • Using a diagnostic scan tool, view DSM PIDs.
    • Cycle the ignition switch in all positions while monitoring the DSM PID IGN_SW states.

    Do the PID states agree with the selected positions? 

    Yes  GO to  J3.
    No  For vehicles equipped with an ignition lock cylinder and key, REFER to Instrumentation, Message Center, and Warning Chimes . For vehicles equipped with passive entry/passive start, REFER to Steering Column Switches .

  3. J3 RETRIEVE DSM DTCs

    • Operate the memory seat and memory mirrors in all directions through the full range of travel.
    • Place the memory seat and memory mirrors in central travel positions.
    • Using a diagnostic scan tool, perform DSM self-test.

    Are any DSM DTCs retrieved? 

    Yes  If DTCs B1952, B1956, B1960 and B1964 are all retrieved, GO to  J10. If DTCs B1953, B1957, B1961 and B1965 are all retrieved, GO to  J10. If only DTC B1534, B1538 or B153A are retrieved, GO to  J5. If only DTC B1663, B1956 or B1957 are retrieved, GO to  J11. If only DTC B1664, B1952 or B1953 are retrieved, GO to  J14. If only DTC B1665, B1964 or B1965 are retrieved, GO to  J17. If only DTC B1666, B1960 or B1961 are retrieved, GO to  J20. For any other DSM DTCs, Refer to Seating .
    No  GO to  J4.

  4. J4 MONITOR THE DSM PIDs AND CHECK THE DSM FOR CORRECT MEMORY SET SWITCH INPUTS

    • Using a diagnostic scan tool, view DSM PIDs.
      • Memory 1 recall switch status (MEM_1)
      • Memory 2 recall switch status (MEM_2)
      • Memory 2 recall switch status (MEM_3)
    • Monitor the DSM PIDs while activating the memory set switch, recall 1, recall 2 and recall 3 buttons.

    Do the PID states agree with the switch button positions? 

    Yes  GO to  J10.
    No  GO to  J5.

  5. J5 CHECK THE MEMORY SET SWITCH

    • Ignition OFF.
    • Disconnect: Door Lock Control Switch C541 .
    • While pressing and releasing the indicated switch buttons, measure the component side  resistance:
      Positive Lead Measurement / Action Negative Lead
      (Memory 1 Recall Switch) C541-5, Component Side
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C541-6, Component Side
      (Memory 2 Recall Switch) C541-4, Component Side
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C541-6, Component Side
      (Memory 3 Recall Switch) C541-3, Component Side
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C541-6, Component Side

    Are the resistances less than 20 ohms when the memory recall switch is pressed; and greater than 10, 000 ohms when released? 

    Yes  GO to  J6.
    No  INSTALL a new memory set switch. Refer to Memory Set Switch . CLEAR the DTCs.

  6. J6 CHECK THE MEMORY SET SWITCH GROUND FOR AN OPEN

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C541-6
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the resistance less than 3 ohms? 

    Yes  GO to  J7.
    No  REPAIR the circuit. CLEAR the DTCs.

  7. J7 CHECK THE MEMORY SET SWITCH CIRCUITS FOR A SHORT TO VOLTAGE

      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: Driver Seat Side Air Bag C3051 .
    • Disconnect: DSM C341C .
    • Ignition ON.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C541-5
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 Ground
      C541-4
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 Ground
      C541-3
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present on any circuits? 

    Yes  REPAIR the affected circuit. CLEAR the DTCs. GO to  J24.
    No  GO to  J8.

  8. J8 CHECK THE MEMORY SET SWITCH CIRCUITS FOR A SHORT TO GROUND

    • Ignition OFF.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C541-5
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 Ground
      C541-4
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 Ground
      C541-3
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 Ground

    Are the resistances greater than 10, 000 ohms? 

    Yes  GO to  J9.
    No  REPAIR the affected circuit. CLEAR the DTCs. GO to  J24.

  9. J9 CHECK THE MEMORY SET SWITCH CIRCUITS FOR AN OPEN

    Are the resistances less than 3 ohms? 

    Yes  GO to  J23.
    No  REPAIR the affected circuit. CLEAR the DTCs. GO to  J24.

  10. J10 MONITOR THE DSM PIDs

    • Using a diagnostic scan tool, view DSM PIDs.
      • Driver Power Seat Front Up/Down Sense (SFNT_MT)
      • Driver Power Seat Forward/Backward Sense (SFWD_MT)
      • Driver Power Seat Recline Sense (SRCL_MT)
      • Driver Power Seat Rear Up/Down Sense (SREARMT)
    • Operate the memory seat in all directions through the full range of travel while monitoring the PIDs.

    Does each PID indicate the sensor is operational throughout each associated motor's full range of travel? 

    Yes  GO to  J23.
    No  If front up/down position sensor PID value indicates not present, GO to  J11. If rear up/down position sensor PID value indicates not present, GO to  J14. If forward/rearward position sensor PID value indicates not present, GO to  J17. If recline position sensor PID value indicates not present, GO to  J20.

  11. J11 CHECK THE FRONT HEIGHT POSITION SENSOR CIRCUITS FOR A SHORT TO VOLTAGE

      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: Driver Seat Side Air Bag C3051 .
    • Disconnect: DSM C341B .
    • Disconnect: Driver Seat Front Height Motor C382 .
    • Ignition ON.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C382-3
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 Ground
      C382-4
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present on either circuit? 

    Yes  REPAIR the affected circuit. CLEAR the DTCs. GO to  J24.
    No  GO to  J12.

  12. J12 CHECK FRONT HEIGHT POSITION SENSOR CIRCUITS FOR A SHORT TO GROUND

    • Ignition OFF.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C382-3
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 Ground
      C382-4
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 Ground

    Are the resistances greater than 10, 000 ohms? 

    Yes  GO to  J13.
    No  REPAIR the affected circuit. CLEAR the DTCs. GO to  J24.

  13. J13 CHECK FRONT HEIGHT POSITION SENSOR CIRCUITS FOR AN OPEN

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C382-3
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C341B-8
      C382-4
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C341B-4

    Are the resistances less than 3 ohms? 

    Yes  INSTALL a new seat track assembly. Refer to Seat Track . CLEAR the DTCs. GO to  J24.
    No  REPAIR the affected circuit. CLEAR the DTCs. GO to  J24.

  14. J14 CHECK THE REAR HEIGHT POSITION SENSOR CIRCUITS FOR A SHORT TO VOLTAGE

      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: Driver Seat Side Air Bag C3051 .
    • Disconnect: DSM C341B .
    • Disconnect: Driver Seat Rear Height Motor C363 .
    • Ignition ON.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C363-2
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 Ground
      C363-4
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present on either circuit? 

    Yes  REPAIR the affected circuit. CLEAR the DTCs. GO to  J24.
    No  GO to  J15.

  15. J15 CHECK THE REAR HEIGHT POSITION SENSOR CIRCUITS FOR A SHORT TO GROUND

    • Ignition OFF.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C363-2
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 Ground
      C363-4
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 Ground

    Are the resistances greater than 10, 000 ohms? 

    Yes  GO to  J16.
    No  REPAIR the affected circuit. CLEAR the DTCs. GO to  J24.

  16. J16 CHECK THE REAR HEIGHT POSITION SENSOR CIRCUITS FOR AN OPEN

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C363-2
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C341B-8
      C363-4
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C341B-3

    Are the resistances less than 3 ohms? 

    Yes  INSTALL a new seat track assembly. Refer to Seat Track . CLEAR the DTCs. GO to  J24.
    No  REPAIR the affected circuit. CLEAR the DTCs. GO to  J24.

  17. J17 CHECK THE HORIZONTAL POSITION SENSOR CIRCUITS FOR A SHORT TO VOLTAGE

      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: Driver Seat Side Air Bag C3051 .
    • Disconnect: DSM C341B .
    • Disconnect: Driver Seat Horizontal Motor C362 .
    • Ignition ON.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C362-3
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 Ground
      C362-4
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present on either circuit? 

    Yes  REPAIR the affected circuit. CLEAR the DTCs. GO to  J24.
    No  GO to  J18.

  18. J18 CHECK THE HORIZONTAL POSITION SENSOR CIRCUITS FOR A SHORT TO GROUND

    • Ignition OFF.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C362-3
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 Ground
      C362-4
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 Ground

    Are the resistances greater than 10, 000 ohms? 

    Yes  GO to  J19.
    No  REPAIR the affected circuit. CLEAR the DTCs. GO to  J24.

  19. J19 CHECK THE HORIZONTAL POSITION SENSOR CIRCUITS FOR AN OPEN

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C362-3
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C341B-8
      C362-4
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C341B-14

    Are the resistances less than 3 ohms? 

    Yes  INSTALL a new front seat track motor. Refer to Seat Track Motor - Front . CLEAR the DTCs. GO to  J24.
    No  REPAIR the affected circuit. CLEAR the DTCs. GO to  J24.

  20. J20 CHECK THE RECLINER POSITION SENSOR CIRCUITS FOR A SHORT TO VOLTAGE

      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: Driver Seat Side Air Bag C3051 .
    • Disconnect: DSM C341B .
    • Disconnect: Driver Seat Recliner Motor C3187 .
    • Ignition ON.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C3187-2
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 Ground
      C3187-4
      GFD33595Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present on either circuit? 

    Yes  REPAIR the affected circuit. CLEAR the DTCs. GO to  J24.
    No  GO to  J21.

  21. J21 CHECK THE RECLINER POSITION SENSOR CIRCUITS FOR A SHORT TO GROUND

    • Ignition OFF.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C3187-2
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 Ground
      C3187-4
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 Ground

    Are the resistances greater than 10, 000 ohms? 

    Yes  GO to  J22.
    No  REPAIR the affected circuit. CLEAR the DTCs. GO to  J24.

  22. J22 CHECK THE RECLINER POSITION SENSOR CIRCUITS FOR AN OPEN

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C3187-2
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C341B-20
      C3187-4
      GFD33596Courtesy of FORD MOTOR COMPANY
      		 C341B-8

    Are the resistances less than 3 ohms? 

    Yes  INSTALL a new seat recliner motor. Refer to Seat Recliner Motor . CLEAR the DTCs. GO to  J24.
    No  REPAIR the affected circuit. CLEAR the DTCs. GO to  J24.

  23. J23 CHECK FOR CORRECT DSM OPERATION

    • Ignition OFF.
    • Disconnect and inspect all DSM connectors.
    • Repair:
      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins as necessary
      • pushed-out pins - install new pins as necessary
    • Reconnect the DSM connectors and all previously disconnected rear window defrost system connectors. Make sure they seat and latch correctly.
    • Operate the system and determine if the concern is still present.

    Is the concern still present? 

    Yes  CHECK OASIS for any applicable TSBs. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no TSBs address this concern, INSTALL a new DSM. Refer to Driver Seat Module (DSM) . GO to  J24.
    No  The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues. GO to  J24.

  24. J24 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: Driver Seat Side Air Bag C3051 .
    • 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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