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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Body & Frame >> Seats >> Seats - Service Information (1 Of 3) >> FRONT SEAT ASSEMBLY (for Manual Seat) >> Reassembly [12/2019 - 11/2023] >> Procedure

Reassembly [12/2019 - 11/2023]: Procedure

  1. INSTALL SEAT TRACK UPPER RAIL COVER 
    1. Engage the 4 claws to install the seat track upper rail cover as shown in the illustration.
      GTY945262Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction

      HINT: 

      Use the same procedure for both sides.

  2. INSTALL SEAT TRACK ADJUSTING HANDLE 
    1. Engage the 2 claws to install the seat track adjusting handle to the front seat adjuster assembly.
      GTY893522Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL REAR UPPER SEAT TRACK COVER 
    1. Operate the seat track adjusting handle and move the front seat adjuster assembly to the rearmost position.
    2. Engage the 4 claws to install the rear upper seat track cover as shown in the illustration.
      GTY918245Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction

      HINT: 

      Use the same procedure for both sides.

  4. INSTALL FRONT SEAT CUSHION SPRING SUB-ASSEMBLY 
    1. Engage the 6 hooks to install the front seat cushion spring sub-assembly to the front seat adjuster assembly.
      GTY893505Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL FRONT SEAT CUSHION WIRE HARNESS HOLDER 
    1. w/o Seat Heater System:
      1. Engage the claw to install the wiring harness connector to the front seat cushion wire harness holder.
    2. Engage the claw to install the front seat cushion wire harness holder.
      GTY893502Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the 2 screws.
  6. INSTALL FRONT SEAT WIRE RH 
    1. Engage the 2 claws and clamp.
      GTY899050Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the 2 connectors to install the front seat wire RH.
  7. INSTALL FRONT SEAT WIRE (w/ Seat Heater System) 
    1. Engage the claw and 3 clamps to install the front seat wire.
      GTY755919Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. INSTALL RECLINING ADJUSTER INSIDE COVER RH 
    1. for LH Side:
      1. Engage the 4 claws to install the reclining adjuster inside cover RH.
        GTY893510Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Engage the clamp.
        GTY893508Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. for RH Side:
      1. Engage the 4 claws to install the reclining adjuster inside cover RH.
        GTY938368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. INSTALL FRONT SEAT CUSHION HEATER ASSEMBLY (w/ Seat Heater System) 

    Refer to PROCEDURE - Step 1

  10. INSTALL SEPARATE TYPE FRONT SEAT CUSHION COVER 
    1. Engage the 14 claws to install the separate type front seat cushion cover to the separate type front seat cushion pad.
      GTY759769Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. INSTALL FRONT SEAT CUSHION AIRBAG ASSEMBLY RH 

    Refer to PROCEDURE - Step 1 [12/2019 - 10/2021] , or refer to PROCEDURE - Step 1 [10/2021 - 11/2023]

  12. INSTALL SEPARATE TYPE FRONT SEAT CUSHION COVER WITH PAD 
    1. Engage the 10 hooks to install the separate type front seat cushion cover with pad to the separate type front seat cushion spring assembly.
      GTY893506Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Engage the 2 hooks.
      GTY905591Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. w/ Seat Heater System:
      1. Connect the connector and engage the clamp.
        GTY905590Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. INSTALL FRONT NO. 1 SEATBACK HOOK 
    1. Install the 2 front No. 1 seatback hooks to the front seatback frame sub-assembly.
      GTY574545Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. INSTALL FRONT SEATBACK EDGE PROTECTOR 
    1. Install the 2 front seatback edge protectors to the front seatback spring sub-assembly.
  15. INSTALL FRONT SEATBACK SPRING SUB-ASSEMBLY 
    1. Install the front seatback spring sub-assembly to the front seatback frame sub-assembly as shown in the illustration.
      GTY744553Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    2. Engage the 2 claws to install the 2 front seatback edge protectors to the front seatback frame sub-assembly.
      GTY748032Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. INSTALL FRONT SEAT AIRBAG ASSEMBLY 

    Refer to PROCEDURE - Step 1 [12/2019 - 10/2021] , or refer to PROCEDURE - Step 1 [10/2021 - 11/2023]

  17. INSTALL FRONT SEATBACK HEATER ASSEMBLY (w/ Seat Heater System) 

    Refer to PROCEDURE - Step 1

  18. INSTALL SEPARATE TYPE FRONT SEATBACK COVER 
    1. Engage the 9 claws to install the separate type front seatback cover to the separate type front seatback pad.
      GTY759771Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. INSTALL SEPARATE TYPE FRONT SEATBACK COVER WITH PAD 
    1. Install the separate type front seatback cover with pad.
  20. INSTALL FRONT SEAT HEADREST SUPPORT ASSEMBLY 
    1. Engage the 4 claws to install the 2 front seat headrest support assemblies.
      GTY759759Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Close the 2 fasteners.
      GTY574703Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. w/ Seat Heater System:
      1. Engage the clamp.
        GTY854119Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Engage the 3 hooks.
      GTY941035Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. INSTALL SEPARATE TYPE FRONT SEATBACK ASSEMBLY 
    1. Engage the 4 guides.
      GTY938369Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the separate type front seatback assembly to the separate type front seat cushion assembly with the 4 bolts.

      Torque: 42 N.m (428 kgf/cm, 31 ft.lbf) 

    3. Engage the claw and 4 clamps to install the front seat airbag assembly wire harness.
      GTY753004Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Engage the claw first.

    4. w/ Seat Heater System:
      1. Engage the clamp.
        GTY941036Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Connect the connector.
    5. Engage the 2 hooks.
      GTY893512Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Pass the separate type front seatback cover through the grooves of the reclining adjuster inside covers RH.
      GTY699522Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. INSTALL FRONT SEAT INNER CUSHION SHIELD 
    1. Engage the 2 claws and 2 guides as shown in the illustration.
      GTY899923Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction
    2. Engage the 3 claws to install the front seat inner cushion shield.
      GTY893547Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. INSTALL FRONT SEAT CUSHION SHIELD 
    1. Engage the guide (A) as shown in the illustration.
      GTY893064Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Install in this Direction (1)
      Install in this Direction (2)
    2. Engage the 3 claws and 2 guides (B) as shown in the illustration.
    3. Engage the 3 claws to install the front seat cushion shield.
      GTY893549Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  24. INSTALL RECLINING ADJUSTER RELEASE HANDLE 
    1. Install the reclining adjuster release handle.
      GTY938381Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. INSTALL RECLINING HINGE COVER 
    1. Engage the guide.
      GTY893520Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Engage the claw to install the reclining hinge cover.
  26. CONNECT SEPARATE TYPE FRONT SEATBACK COVER 
    1. Connect the rubber band of the separate type front seatback cover.
      GTY753003Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. INSTALL FRONT SEAT INNER BELT ASSEMBLY 

    Refer to PROCEDURE - Step 1

  28. INSTALL SEAT HEATER CONTROL SUB-ASSEMBLY (w/ Seat Heater System) 

    Refer to PROCEDURE - Step 1

  29. INSTALL OCCUPANT DETECTION ECU 

    Refer to PROCEDURE - Step 1 [12/2019 - 10/2022] , or refer to PROCEDURE - Step 1 [10/2022 - 11/2023]