REAR POWER SEAT CONTROL SYSTEM Power Seat does not Return to Memorized Position

DESCRIPTION

When the rear seat memory switch's M switch is pressed, each motor operates so that each position sensor is adjusted to the value recorded in the position control ECU.

PROCEDURE


  1. CHECK REAR POWER SEAT CONTROL FUNCTION


    1. Operate the rear power seat switch and check that each power seat function operates normally.

      OK
      Each function operates normally.

    NG
    OK
  2. CHECK REAR SEAT RETURN FUNCTION


    1. When the rear door is opened, check that the door open linked return operation operates.

      OK
      Door open linked return operation operates normally.

    NG
    OK
  3. CHECK REAR SEAT MEMORY FUNCTION


    1. Check if the rear seat memory function operates normally.

      OK
      Memory function operates normally.

    NG
    OK
  4. READ VALUE USING INTELLIGENT TESTER (SEAT MEMORY)


    1. Check the Data List for proper functioning of the seat memory.

      Rear Left Seat
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Seat Memory No1 Seat position memorized with seat memory switch M / MEM or NOT MEM

      MEM: Memorized

      NOT MEM: Not memorized

      -
      Rear Right Seat
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Seat Memory No1 Seat position memorized with seat memory switch M / MEM or NOT MEM

      MEM: Memorized

      NOT MEM: Not memorized

      -
      OK
      On tester screen, each item changes between MEM and NOT MEM according to above chart.
      Result
      Result Proceed to
      Rear seat LH normal (w/o Ottoman) A
      Rear seat LH normal (w/ Ottoman) B
      Rear seat RH normal (w/o Ottoman) C
      Rear seat RH normal (w/ Ottoman) D
      Rear seat LH or RH malfunctioning E

    A
    B
    C
    D
    E