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Power Seat Power Easy Access System Function does not Operate [11/2017 - ]: Procedure

  1. CHECK FRONT POWER SEAT OPERATION 
    1. Check that each function of the power seat operates normally by using the position control ECU and switch assembly LH.

      Refer to OPERATION CHECK [11/2017 - ]

      Result

      Result Proceed to
      Power seat functions operate normally A
      All power seat functions do not operate B
      One or more power seat motors do not operate C

    Result: 

    GO TO OTHER FLOW CHART (Front Power Seat does not Operate with Front Power Seat Switch). Refer to  Front Power Seat does not Operate with Front Power Seat Switch [09/2014 - ]  

    Result: 

    GO TO OTHER FLOW CHART (One or more Power Seat Motors do not Operate). Refer to  One or more Power Seat Motors do not Operate [09/2014 - ]  

    Result: 

    See step  2

  2. CHECK SEAT BELT TENSION REDUCER SYSTEM 
    1. Check the seat belt tension reducer system.

      Refer to SYSTEM DESCRIPTION [09/2014 - ]

      OK

      Seat belt tension reducer system is normal.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FRONT SEAT OUTER BELT ASSEMBLY LH. Refer to  REMOVAL [09/2014 - ] 

    Result: 

    OK 

    See step  3

  3. REPLACE POSITION CONTROL ECU AND SWITCH ASSEMBLY LH 
    1. Temporarily replace the position control ECU LH with a new or known good one.

      Refer to REMOVAL [09/2014 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  4

  4. CHECK POWER SEAT POWER EASY ACCESS SYSTEM 
    1. Check the power seat easy access system.

      Refer to OPERATION CHECK [11/2017 - ]

      OK

      Power seat power easy access system is normal.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (POSITION CONTROL ECU AND SWITCH ASSEMBLY LH WAS DEFECTIVE) 

    Result: 

    NG 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [09/2014 - ]