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Front Seat Assembly: Disassembly

CAUTION: Wear protective gloves. Sharp areas on the seat adjuster and 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:

Use the same procedures for the LH side and RH side.
The procedure listed below are for the LH side.

Fig 1: Removing Front Seat Assembly
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

REMOVE FRONT SEAT CUSHION SHIELD LH
1. Release the rubber bands of the seatback board from the seat adjuster.
  
  Fig 2: Identifying Rubber Bands Of Seatback Board
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 3 screws and detach the claw.
3. Detach the 2 claws in the order shown in the illustration, and then remove the cushion shield.
4. Disconnect the 2 connectors.
  
  Fig 3: Identifying Claws Detaching Order
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE POSITION CONTROL ECU AND SWITCH ASSEMBLY
1. Remove the 4 screws and position control ECU and switch.
  
  Fig 4: Identifying Screws On Position Control ECU And Switch
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT NO. 1 SEAT SHIELD SET BRACKET
1. Remove the 2 screws and bracket.
  
  Fig 5: Identifying Seat Shield Set Bracket Screws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT SEAT HINGE COVER LH
1. Remove the 2 screws and hinge cover.
  
  Fig 6: Identifying Front Seat Hinge Cover Screws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT SEAT CUSHION SHIELD FRONT LH
1. Remove the 4 screws and cushion shield front.
  
  Fig 7: Identifying Cushion Shield Front Screws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT SEAT INNER BELT ASSEMBLY LH (See REMOVAL )
REMOVE FRONT SEAT CUSHION SHIELD INNER LH
1. Remove the 3 screws.
2. Detach the claw and remove the cushion shield inner.
  
  Fig 8: Identifying Front Seat Cushion Shield Inner Screws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT SEATBACK BOARD SUB-ASSEMBLY LH
1. Remove the 2 screws.
2. Detach the 2 hooks and remove the seatback board.
3. Remove the interior illumination light wire harness clamp.
4. Disconnect the interior illumination light wire harness connector.
  
  Fig 9: Removing Front Seatback Board Sub-Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Remove the screw and interior illumination light.
  
  Fig 10: Locating Interior Illumination Light Screw
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT SEAT CUSHION ASSEMBLY LH
1. w/ Climate Control Seat System:
  1. Detach the 2 claws and remove the air duct.
    
    Fig 11: Identifying Air Duct Claws
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Remove the 3 screws, and disconnect the duct of the climate control blower.
    
    Fig 12: Identifying Climate Control Blower With Mounting Screws
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Remove the wire harness clamp and disconnect the 2 connectors.
    
    Fig 13: Locating Connectors
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Detach the 2 claws and disconnect the climate control controller duct.
  5. Remove the wire harness clamp and disconnect the connector.
    
    Fig 14: Locating Connectors
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Using a clip remover, remove the 4 clips.
  
  Fig 15: Locating Clips
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. for Front Passenger Side:
  Disconnect the connectors.
4. Detach the hook and remove the 4 bolts and seat cushion assembly.
  
  Fig 16: Locating Connector (Front Passenger Side)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 17: Locating Seat Cushion Assembly Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE SEAT CLIMATE CONTROL CONTROLLER LH (CUSHION SIDE) (w/ Climate Control Seat System)
1. Remove the 2 screws and climate control controller.
  
  Fig 18: Identifying Climate Control Controller Screws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE 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. Detach the hooks.
2. Using a clip remover, remove the 4 clips and seat cushion frame sub-assembly.
  
  Fig 19: Locating Seat Cushion Frame Sub-Assembly Clips
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT SEAT CUSHION COVER 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. Remove the hog rings and seat cushion cover from the seat cushion pad.
  
  Fig 20: Identifying Hog Rings
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT SEAT HEADREST ASSEMBLY LH
1. w/ Retractable Headrest:
  Pull up the headrest to remove it.
2. w/o Retractable Headrest:
  Remove the 2 pins and headrest.
  
  Fig 21: Removing Front Seat Headrest Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT SEAT HEADREST SUPPORT LH
1. Detach the 4 claws and remove the 2 headrest supports.
  
  Fig 22: Identifying Claws On Front Seat Headrest Support
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT SEATBACK COVER WITH PAD
1. Remove the bolt and seatback cover bracket.
  
  Fig 23: Identifying Seatback Cover Bracket Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. for Front Passenger Side:
  1. Disconnect the connector.
  2. Detach the 2 claws and remove the power seat switch.
    
    Fig 24: Identifying Power Seat Switch Claws
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Using a clip remover, remove the 2 clips, and detach the hooks. Then remove the seatback cover with pad from the seat frame.
  
  Fig 25: Identifying Hook And Clips On Seatback Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT SEATBACK COVER SUB-ASSEMBLY LH

Fig 26: Identifying Hog Rings On Seatback Cover
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. Remove the hog rings and seatback cover from the seatback pad.
REMOVE FRONT SEATBACK FRAME ASSEMBLY LH
1. Disconnect the connectors and detach the clamps.
  
  Fig 27: Locating Front Seatback Frame Assembly Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 4 bolts and seatback frame.
  
  Fig 28: Identifying Seatback Frame Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE SEAT CLIMATE CONTROL CONTROLLER LH (BACK SIDE) (w/ Climate Control Seat System)
1. w/ Lumbar Support Adjuster:
  Remove the 2 screws and climate control controller.
  
  Fig 29: Locating Seat Climate Control Controller Screws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. w/o Lumbar Support Adjuster:
  Pull up the climate control controller to remove it.
  
  Fig 30: Removing Climate Control Controller
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE LUMBAR SUPPORT ADJUSTER ASSEMBLY LH
1. for Driver Side:
  Remove the 4 bolts and 2 lumbar support adjuster motors from the seatback frame.
2. for Passenger Side:
  Remove the 2 bolts and lumbar support adjuster motor from the seatback frame.
3. Detach the 4 clamps and remove the lumbar support adjuster.
  
  Fig 31: Identifying Lumbar Support Adjuster Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT SEAT HEADREST ADJUSTER SUB-ASSEMBLY LH
1. Remove the 2 bolts and detach the 2 claws.
2. Remove the headrest adjuster.
  
  Fig 32: Locating Front Seat Headrest Adjuster Sub-Assembly Bolts And Claws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT SEAT HEADREST ADJUSTER SUB-ASSEMBLY (w/ Retractable Headrest)
1. Remove the 2 screws and headrest motor from the seatback frame.
2. Remove the 4 bolts and detach the 2 claws.
3. Remove the headrest adjuster.
  
  Fig 33: Locating Front Seat Headrest Adjuster Sub-Assembly Bolts And Claws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Detach the 2 claws and remove the motor.
  
  Fig 34: Identifying Motor Claws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Detach the 2 claws and remove the cable.
  
  Fig 35: Identifying Cable Claws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Remove the 2 screws and headrest stay cover.
  
  Fig 36: Identifying Headrest Stay Cover Screws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT NO. 5 SEAT SET BRACKET (for Front Passenger Side)
1. Remove the 2 screws.
2. Using a clip remover, detach the 2 clamps and remove the bracket.
  
  Fig 37: Identifying Seat Set Bracket Screws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE RECLINING ADJUSTER INSIDE COVER LH
1. Remove the screw and remove the reclining adjuster inside cover.
2. Remove the wire harness clamp from the reclining adjuster inside cover.
  
  Fig 38: Identifying Reclining Adjuster Inside Cover Screw
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE RECLINING ADJUSTER INSIDE COVER RH
1. Remove the screw and reclining adjuster inside cover.
REMOVE FRONT SEAT CUSHION SHIELD LOWER
1. Remove the 4 nuts and cushion shield lower.
  
  Fig 39: Locating Cushion Shield Lower Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT SEAT CUSHION SPRING
1. Remove the 2 springs.
  
  Fig 40: Identifying Front Seat Cushion Spring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE NO. 1 SEAT CUSHION PLATE
1. Remove the 2 bolts and seat cushion plate.
  
  Fig 41: Locating Seat Cushion Plate Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT NO. 2 SEAT TRAVEL LINK
1. Remove the bolt and front seat travel link.
  
  Fig 42: Locating Front Seat Travel Link Bolt
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FRONT NO. 1 SEAT TRAVEL LINK
HINT:

Use the same procedures described for the No. 2 seat travel link.
REMOVE SEAT CLIMATE CONTROL ECU (w/ Climate Control Seat System)
1. Disconnect the 2 connectors.
2. Remove the 2 bolts and climate control ECU.
  
  Fig 43: Locating Climate Control ECU Mounting Bolts And Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE SEAT CLIMATE CONTROL BLOWER LH (w/ Climate Control Seat System)
1. Detach the 2 claws and remove the climate control duct.
2. Remove the wire harness clamp and disconnect the connector.
3. Remove the wire harness clamp, 2 bolts and climate control blower.
  
  Fig 44: Identifying Seat Climate Control Blower Bolts And Claws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE NO. 1 AIR FILTER (w/ Climate Control Seat System)
1. Rotate the No. 1 filter counterclockwise to detach the claws, and then remove it.
  
  Fig 45: Rotating No. 1 Filter Counterclockwise
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE OCCUPANT CLASSIFICATION ECU (for Front Passenger Side)
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.
1. Disconnect the connector.
  
  Fig 46: Locating Occupant Classification ECU Connector And Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Remove the 2 nuts and occupant classification ECU.
  NOTE: If replacing the ECU, replace the front seat set (cushion assembly, occupant classification ECU and 2 nuts).
REMOVE SEAT POSITION AIRBAG SENSOR (See REMOVAL )
REMOVE FRONT SEAT WIRE LH