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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Seats (Service Information) (Hybrid) >> Front Seat Assembly >> Disassembly [10/2014 - 06/2017] >> Procedure

Disassembly [10/2014 - 06/2017]: Procedure

  1. REMOVE OCCUPANT DETECTION ECU (for Front Passenger Side) 

    Refer to PROCEDURE - Step 2

  2. DISCONNECT FRONT SEATBACK BOARD SUB-ASSEMBLY 
    1. Disengage the 2 hooks to disconnect each rubber band of the front seatback board sub-assembly.
      GTY383464Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE FRONT SEAT INNER CUSHION SHIELD 
    1. Remove the 2 screws.
      GTY375204Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the guide to remove the front seat inner cushion shield.
  4. REMOVE FRONT SEAT INNER BELT ASSEMBLY LH (for Driver Side) 

    Refer to PROCEDURE - Step 2 and PROCEDURE - Step 2

  5. REMOVE FRONT SEAT INNER BELT ASSEMBLY RH (for Front Passenger Side) 

    Refer to PROCEDURE - Step 5 and PROCEDURE - Step 5

  6. REMOVE SEAT ADJUSTER COVER CAP 
    1. Remove the 2 seat adjuster cover caps.
      GTY383461Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE SLIDE AND VERTICAL POWER SEAT SWITCH KNOB 
    1. Using a moulding remover, disengage the 4 claws to remove the slide and vertical power seat switch knob.
      GTY375185Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE RECLINING POWER SEAT SWITCH KNOB 
    1. Using a moulding remover, disengage the 4 claws to remove the reclining power seat switch knob.
      GTY375184Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE FRONT SEAT CUSHION SHIELD (w/o Seat Position Memory System) 
    1. Remove the screw.
      GTY375183Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 2 claws and guide to remove the front seat cushion shield.
    3. Disconnect the connector from the front power seat switch.
      GTY543696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disengage the clamp.
    5. w/ Lumbar Support:
      1. Disengage the 4 claws to separate the front lumbar power seat switch from the front seat cushion shield.
        GTY375187Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE FRONT SEAT CUSHION SHIELD (w/ Seat Position Memory System) 
    1. w/o Variable Seat Cushion System:
      1. Remove the screw.
        GTY375183Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Disengage the 2 claws and guide to remove the front seat cushion shield.
    2. w/ Variable Seat Cushion System:
      1. Remove the screw.
        GTY375186Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Disengage the claw and 3 guides to remove the front seat cushion shield.
      3. Disconnect the connector.
        GTY543695Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the 2 connectors from the front power seat switch.
      GTY543697Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disengage the clamp.
    5. Disconnect the connector from the front lumbar power seat switch.
      GTY598645Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. REMOVE SEAT VARIABLE CUSHION SWITCH (w/ Variable Seat Cushion System) 

    See step  4

  12. REMOVE NO. 2 SEAT WIRE (w/ Variable Seat Cushion System) 

    See step  5

  13. REMOVE FRONT POWER SEAT SWITCH (w/o Seat Position Memory System) 

    Refer to PROCEDURE - Step 6

  14. REMOVE FRONT POWER SEAT SWITCH (w/ Seat Position Memory System) 

    Refer to PROCEDURE - Step 6

  15. REMOVE FRONT LUMBAR POWER SEAT SWITCH (w/ Lumbar Support) 

    See step  8

  16. REMOVE SEPARATE TYPE FRONT SEAT CUSHION COVER WITH PAD (w/o Variable Seat Cushion System) 
    1. Disengage the 2 clamps.
      GTY543908Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. w/ Seat Heater System:
      1. Disengage the clamp.
        GTY543909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Disconnect the connector.
      3. Disconnect the 2 connectors.
        GTY543910Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      4. Disengage the 3 clamps.
        GTY543913Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. w/o Lumbar Support:
      1. Disengage each hook and remove the separate type front seat cushion cover with pad.
        GTY566020Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. w/ Lumbar Support:
      1. Disengage each hook and remove the separate type front seat cushion cover with pad.
        GTY543915Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. REMOVE SEPARATE TYPE FRONT SEAT CUSHION COVER WITH PAD (w/ Variable Seat Cushion System) 
    1. Disengage the 2 clamps.
      GTY543908Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the clamp.
      GTY543909Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the connector.
    4. Disconnect the 2 connectors.
      GTY543910Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Disengage the 3 clamps.
      GTY543913Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Disengage the hook.
      GTY566007Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Disengage the 4 hooks.
      GTY566009Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Remove the 4 hog rings.
      GTY364009Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. Disengage each hook and remove the separate type front seat cushion cover with pad.
      GTY566011Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE SEPARATE TYPE FRONT SEAT CUSHION COVER 
    1. Remove the 12 hog rings and separate type front seat cushion cover from the separate type front seat cushion pad.
      GTY364005Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. REMOVE FRONT SEAT CUSHION HEATER ASSEMBLY (w/ Seat Heater System) 

    See step  9

  20. REMOVE FRONT SEATBACK BOARD SUB-ASSEMBLY 
    1. Remove the 2 screws.
      GTY364002Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 2 claws and 2 hooks to remove the front seatback board sub-assembly.
      GTY364006Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REMOVE SEPARATE TYPE FRONT SEATBACK COVER WITH PAD 
    1. Disengage the claw and 2 clamps to separate the front seat airbag assembly wire harness.
      GTY566014Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the connector.
      GTY566016Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disengage the hook.
      GTY603615Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disengage the 2 fasteners.
      GTY566017Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      Fastener
    5. Turn back the separate type front seatback cover.
    6. Disengage the 2 hooks.
      GTY603608Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. w/ Climate Control Seat System:
      1. Disengage the 6 clips to separate the seatback climate control blower from the separate type front seatback pad.
        GTY603609Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Disengage each claw and remove the 2 front seat headrest supports.
      GTY565992Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. Remove the separate type front seatback cover with pad.
  22. REMOVE FRONT SEAT AIRBAG ASSEMBLY 

    Refer to PROCEDURE - Step 8

  23. REMOVE SEPARATE TYPE FRONT SEATBACK COVER 
    1. Remove the 2 hog rings.
      GTY366693Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      Fastener
    2. Disengage the 2 fasteners to remove the separate type front seatback cover from the separate type front seatback pad.
  24. REMOVE FRONT SEATBACK HEATER ASSEMBLY (w/ Seat Heater System) 

    See step  9

  25. REMOVE SEATBACK CLIMATE CONTROL BLOWER (w/ Climate Control Seat System) 
    1. Disengage the 2 clamps.
      GTY565993Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the connector.
    3. Disengage the 2 claws and 2 guides to remove the seatback climate control blower.
      GTY363998Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  26. REMOVE SEAT CUSHION CLIMATE CONTROL DUCT (w/ Climate Control Seat System) 
    1. Disengage the 2 claws to separate the seat cushion climate control duct from the seat climate control blower.
      GTY363997Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 2 clips to remove the seat cushion climate control duct.
      GTY381652Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. REMOVE SEAT CLIMATE CONTROL BLOWER (w/ Climate Control Seat System) 
    1. Disconnect the connector.
      GTY608740Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 3 nuts and seat climate control blower.
      GTY363978Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  28. REMOVE NO. 2 FRONT SEAT CUSHION SHIELD SUB-ASSEMBLY (for Driver Side) 
    1. Remove the screw.
      GTY366665Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the hook as shown in the illustration.
    3. Disengage the 2 claws to remove the No. 2 front seat cushion shield sub-assembly.
  29. REMOVE NO. 1 FRONT SEAT CUSHION SHIELD SUB-ASSEMBLY (for Driver Side) 
    1. Remove the screw.
      GTY366667Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the hook as shown in the illustration.
    3. Disengage the 2 claws to remove the No. 1 front seat cushion shield sub-assembly.
  30. REMOVE FRONT SEAT LOWER CUSHION SHIELD LH (for Front Passenger Side) 
    1. w/o Vertical Adjuster:
      1. Disengage the 2 claws to remove the front seat lower cushion shield LH.
        GTY366672Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. w/ Vertical Adjuster:
      1. Remove the screw.
        GTY366692Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Disengage the hook as shown in the illustration.
      3. Disengage the claw to remove the front seat lower cushion shield LH.
  31. REMOVE FRONT SEAT LOWER CUSHION SHIELD RH (for Front Passenger Side) 
    1. w/o Vertical Adjuster:
      1. Disengage the 2 claws to remove the front seat lower cushion shield RH.
        GTY382070Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. w/ Vertical Adjuster:
      1. Disengage the hook as shown in the illustration.
        GTY366688Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Disengage the 2 claws to remove the front seat lower cushion shield RH.
  32. REMOVE FRONT SEAT WIRE 
    1. Disconnect each connector and disengage each clamp to remove the front seat wire.
  33. REMOVE FRONT NO. 2 SEAT WIRE 
    1. Disconnect each connector and disengage each clamp to remove the front No. 2 seat wire.
  34. REMOVE SEAT HEATER CONTROL SUB-ASSEMBLY (w/ Seat Heater System) 
    1. Disengage the clamp to remove the seat heater control sub-assembly.
      GTY382069Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  35. REMOVE FRONT SEATBACK FRAME SUB-ASSEMBLY 
    1. Remove the 4 bolts and front seatback frame sub-assembly from the front seat frame with adjuster assembly.
      GTY366680Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  36. REMOVE LUMBAR SUPPORT ADJUSTER ASSEMBLY (for Driver Side) 

    See step  9

  37. REMOVE SEPARATE TYPE FRONT SEATBACK SPRING ASSEMBLY (for Front Passenger Side without Lumbar Support) 
    1. Disengage the 2 claws.
      GTY366689Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 2 guides to remove the separate type front seatback spring assembly.
  38. REMOVE LUMBAR SUPPORT ADJUSTER ASSEMBLY (for Front Passenger Side with Lumbar Support) 

    See step  10

  39. REMOVE FRONT SEATBACK HOOK (w/o Lumbar Support) 
    1. Remove the 2 front seatback hooks from the separate type front seatback spring assembly.
  40. REMOVE FRONT SEATBACK HOOK (w/ Lumbar Support) 
    1. Remove the 2 front seatback hooks from the lumbar support adjuster assembly.
  41. REMOVE FRONT SEAT CUSHION PANEL SUB-ASSEMBLY (w/ Vertical Adjuster) 
    1. Remove the 4 bolts and front seat cushion panel sub-assembly from the front seat adjuster sub-assembly.
      GTY375198Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  42. REMOVE SEPARATE TYPE FRONT SEAT CUSHION SPRING ASSEMBLY 
    1. Disengage each hook to remove the separate type front seat cushion spring assembly from the front seat adjuster sub-assembly.
      GTY366678Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  43. REMOVE FRONT UPPER SEAT TRACK RAIL COVER LH 
    1. Disengage the 2 claws to remove the front upper seat track rail cover LH from the front seat adjuster sub-assembly.
      GTY366676Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  44. REMOVE FRONT UPPER SEAT TRACK RAIL COVER RH 
    1. Disengage the 2 claws to remove the front upper seat track rail cover RH from the front seat adjuster sub-assembly.
      GTY366677Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  45. REMOVE REAR UPPER SEAT TRACK RAIL COVER LH (for Front Passenger Side) 
    1. Disengage the 2 claws to remove the rear upper seat track rail cover LH from the front seat adjuster sub-assembly.
      GTY366674Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  46. REMOVE REAR UPPER SEAT TRACK RAIL COVER RH (for Front Passenger Side) 
    1. Disengage the 2 claws to remove the rear upper seat track rail cover RH from the front seat adjuster sub-assembly.
      GTY366675Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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