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Home >> Lexus >> 2007 >> LS 460 >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Seats - Front & Rear Seat Assemblies >> Front Seat Assembly >> Reassembly

Front Seat Assembly: Reassembly

CAUTION: Wear protective gloves. Sharp areas on the seat adjuster seat cushion frame may injure your hands.
NOTE: If the occupant classification ECU has been dropped, or there are any cracks, dents or other defects in the case or connector, replace it with a new one.

HINT:

  1. INSTALL FRONT SEAT WIRE LH 
  2. INSTALL SEAT POSITION AIRBAG SENSOR  (See INSTALLATION )
  3. INSTALL OCCUPANT CLASSIFICATION ECU (for Front Passenger Side) 
    NOTE:
    • If replacing the ECU, replace the front seat set (cushion assembly, occupant classification ECU and 2 nuts).
    • If the occupant classification ECU has been dropped, or there are any cracks, dents or other defects in the case or connector, replace it with a new one.
    1. Install the occupant classification ECU with the 2 nuts.

      Torque: 3.0 N*m (31 kgf*cm, 27 in.*lbf) 

    2. Connect the connector.
      Fig 1: Identifying Occupant Classification ECU Nuts
      G04952768Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL SEAT CLIMATE CONTROL BLOWER LH (w/ Climate Control Seat System) 
    1. Install the climate control blower with the 2 bolts and wire harness clamp.
      Fig 2: Identifying Climate Control Blower Bolts
      G04952767Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the connector and install the wire harness clamp.
    3. Attach the 2 claws and install the climate control air duct.
  5. INSTALL SEAT CLIMATE CONTROL ECU LH (w/ Climate Control Seat System) 
    1. Install the climate control ECU with the 2 bolts.
      Fig 3: Identifying Climate Control ECU Bolts
      G04952766Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the 2 connectors.
  6. INSTALL FRONT NO. 1 SEAT TRAVEL LINK 
    1. Install the seat travel link with the bolt.

      Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

      Fig 4: Identifying Front Seat Travel Link Bolts
      G04952765Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL FRONT NO. 2 SEAT TRAVEL LINK 
    1. Install the seat travel link with the bolt.

      Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

  8. INSTALL NO. 1 SEAT CUSHION PLATE 
    1. Install the seat cushion plate with the 2 bolts.
      Fig 5: Locating Seat Cushion Plate Bolts
      G04952764Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. INSTALL FRONT SEAT CUSHION SPRING 
    1. Install the 2 springs.
      Fig 6: Identifying Springs
      G04952763Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. INSTALL FRONT SEAT CUSHION SHIELD LOWER 
    1. Install the cushion shield lower with the 4 nuts.
      2. Fig 7: Locating Cushion Shield Lower Nuts
      G04952762Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. INSTALL RECLINING ADJUSTER INSIDE COVER RH 
    1. Install the reclining adjuster inside cover with the screw.
  12. INSTALL RECLINING ADJUSTER INSIDE COVER LH 
    1. Install the wire harness clamp to the reclining adjuster inside cover.
    2. Install the reclining adjuster inside cover with the screw.
      Fig 8: Identifying Reclining Adjuster Inside Cover Screw
      G04952761Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  13. INSTALL FRONT NO. 5 SEAT SET BRACKET (for Front Passenger Side) 
    1. Attach the 2 clamps and install the bracket.
    2. Install the 2 screws.
      Fig 9: Identifying Bracket Screws
      G04952760Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  14. INSTALL FRONT SEAT HEADREST ADJUSTER SUB-ASSEMBLY LH 
    1. Attach the 2 claws and install the headrest adjuster.
    2. Install the 2 bolts.

      Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf) 

      Fig 10: Locating Headrest Adjuster Bolts
      G04952755Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. INSTALL FRONT SEAT HEADREST ADJUSTER SUB-ASSEMBLY (w/ Retractable Headrest) 
    1. Install the headrest stay cover with the 2 screws.
      Fig 11: Identifying Headrest Stay Cover Screws
      G04952759Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Attach the 2 claws and install the cable.
      Fig 12: Identifying Cable Claws
      G04952758Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Attach the 2 claws and install the motor.
      Fig 13: Identifying Motor Claws
      G04952757Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Attach the 2 claws and install the headrest adjuster.
    5. Install the 4 bolts and 2 screws.

      Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) for bolt 

      Fig 14: Locating Headrest Motor Screws
      G04952756Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  16. INSTALL LUMBAR SUPPORT ADJUSTER ASSEMBLY LH 
    1. Install the lumbar support adjuster and attach the 4 clamps.
    2. for Driver Side:

      Install the 2 motors with the 4 bolts.

    3. for Passenger Side:

      Install the motor with the 2 bolts.

      Fig 15: Identifying Lumbar Support Adjuster Motors Bolts
      G04952754Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  17. INSTALL SEAT CLIMATE CONTROL CONTROLLER LH (BACK SIDE) (w/ Climate Control Seat System) 
    1. w/ Lumbar Support Adjuster:

      Install the climate control controller with the 2 screws.

      Fig 16: Locating Climate Control Controller Screws (W/Lumbar Support Adjuster)
      G04952752Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. w/o Lumbar Support Adjuster:

      Install the climate control controller to the seatback frame.

      Fig 17: Locating Climate Control Controller (W/O Lumbar Support Adjuster)
      G04952785Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. INSTALL FRONT SEATBACK FRAME ASSEMBLY LH 
    1. Temporarily install the seatback frame with the 4 bolts.
    2. Push the seatback frame towards the vehicle rear, and tighten the 4 bolts.

      Torque: 43 N*m (439 kgf*cm, 32 ft.*lbf) 

      Fig 18: Identifying Seatback Frame Bolts
      G04952751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Attach the clamps and connect the connectors.
      Fig 19: Locating Front Seatback Frame Clamps And Connectors
      G04952750Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  19. INSTALL FRONT SEATBACK COVER SUB-ASSEMBLY LH 
    1. Using hog ring pliers, install the seatback cover to the seatback pad with new hog rings.
      NOTE:
      • Be careful not to damage the cover.
      • When installing the hog rings, avoid wrinkling the cover.
      Fig 20: Installing Hog Ring
      G04952788Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. INSTALL FRONT SEATBACK COVER WITH PAD 
    1. Install the seatback cover (with pad) to the seatback frame and attach the hooks, Then install the 2 clips.
      Fig 21: Identifying Seatback Cover Clips
      G04952789Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. for Front Passenger Side:
      1. Attach the 2 claws and install the power seat switch.
        Fig 22: Identifying Power Seat Switch Claws (Front Passenger Side)
        G04952747Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Connect the connector.
    3. Install the seatback cover bracket with the bolt.

      Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf) 

      Fig 23: Identifying Seatback Cover Bracket Bolt (Front Passenger Side)
      G04952746Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. INSTALL FRONT SEAT HEADREST SUPPORT LH 
    1. Attach the 4 claws and install the 2 headrest supports.
      Fig 24: Locating Headrest Supports Claws
      G04952745Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  22. INSTALL FRONT SEAT HEADREST ASSEMBLY LH 
    1. w/ Retractable Headrest:

      Install the headrest.

    2. w/o Retractable Headrest:

      Install the headrest with the 2 pins.

      Fig 25: Installing Front Seat Headrest
      G04952793Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  23. INSTALL FRONT SEAT CUSHION COVER SUB-ASSEMBLY LH 
    1. Using hog ring pliers, install the seat cushion cover to the seat cushion pad with new hog rings.
      Fig 26: Installing Hog Ring
      G04952794Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Be careful not to damage the cover.
      • When installing the hog rings, avoid wrinkling the cover.
      • As the front passenger side seat has an occupant classification system, its front seat cushion assembly cannot be disassembled.
      • If replacing the front passenger side seat, replace the front seat set (cushion assembly, occupant classification ECU and 2 nuts).
  24. INSTALL FRONT SEAT CUSHION FRAME SUB-ASSEMBLY LH 
    NOTE:
    • As the front passenger side seat has an occupant classification system, its front seat cushion assembly cannot be disassembled.
    • If replacing the front passenger side seat, replace the front seat set (cushion assembly, occupant classification ECU and 2 nuts).
    1. Install the seat cushion frame with the 4 clips.
    2. Attach the hooks.
      Fig 27: Locating Front Seat Cushion Frame Sub-Assembly
      G04952795Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  25. INSTALL SEAT CLIMATE CONTROL CONTROLLER LH (CUSHION SIDE) (w/ Climate Control Seat System) 
    1. Install the climate control controller with the 2 screws.
      Fig 28: Identifying Climate Control Controller Screws
      G04952741Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  26. INSTALL FRONT SEAT CUSHION ASSEMBLY LH 
    1. Install the seat cushion assembly with the 4 bolts and attach the hook.

      Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

      Fig 29: Identifying Seat Cushion Assembly Bolts
      G04952797Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. for Front Passenger Side:

      Connect the connector.

      Fig 30: Identifying Seat Cushion Connector (Front Passenger Side)
      G04952739Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the 4 clips.
      Fig 31: Identifying Front Seat Cushion Assembly Clips
      G04952738Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. w/ Climate Control Seat System:
      1. Attach the 2 claws and connect the climate control duct.
        Fig 32: Connecting Climate Control Controller Duct
        G04952737Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Connect the connector and install the connector clamp.
      3. Connect the 2 connectors and install the wire harness clamp.
        Fig 33: Locating Connectors
        G04952736Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      4. Connect the duct of the climate control blower and install the 3 screws.
        Fig 34: Identifying Climate Control Blower Screws
        G04952735Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      5. Attach the 2 claws and install the air duct.
        Fig 35: Identifying Air Duct Claws
        G04952734Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  27. INSTALL FRONT SEATBACK BOARD SUB-ASSEMBLY LH 
    1. Install the interior illumination light with the screw.
      Fig 36: Locating Interior Illumination Light Screw
      G04944948Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Attach the 2 hooks and install the seatback board.
      Fig 37: Installing Seatback Board Hooks
      G04944949Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the interior illumination light wire harness connector.
    4. Install the interior illumination light wire harness clamp.
    5. Install the 2 screws.
  28. INSTALL FRONT SEAT CUSHION SHIELD INNER LH 
    1. Attach the claw and install the cushion shield inner.
    2. Install the 3 screws.
      Fig 38: Identifying Cushion Shield Inner Screws And Claw
      G04952731Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  29. INSTALL FRONT SEAT INNER BELT ASSEMBLY LH  (See INSTALLATION )
  30. INSTALL FRONT SEAT CUSHION SHIELD FRONT LH 
    1. Install the cushion shield with the 4 screws.
      Fig 39: Identifying Cushion Shield Screws
      G04952730Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  31. INSTALL FRONT SEAT HINGE COVER LH 
    1. Install the hinge cover with the 2 screws.
      Fig 40: Identifying Hinge Cover Screws
      G04952729Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  32. INSTALL FRONT NO. 1 SEAT SHIELD SET BRACKET 
    1. Install the bracket with the 2 screws.
      Fig 41: Identifying Bracket Screws
      G04952728Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  33. INSTALL POSITION CONTROL ECU AND SWITCH ASSEMBLY 
    1. Install the position control ECU and switch with the 4 screws.
      Fig 42: Identifying Control ECU And Switch Screws
      G04952727Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  34. INSTALL FRONT SEAT CUSHION SHIELD LH 
    1. Connect the 2 connectors.
    2. Attach the 2 claws in the order shown in the illustration, and install the cushion shield.
      Fig 43: Installing Cushion Shield Claws
      G04952811Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Install the 3 screws.
    4. Install the rubber band of the front seatback board to the seat adjuster.
      Fig 44: Identifying Front Seatback Board Rubber Band
      G04952725Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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