Toyota Highlander manuals

Toyota Highlander Service Manual: Front seat ASSY LH (power seat type)

Toyota Highlander Service Manual / Seat / Front seat ASSY LH (power seat type)

COMPONENTS

COMPONENTS


OVERHAUL

CAUTION:

HINT:

1. REMOVE SEAT TRACK BRACKET COVER OUTER FRONT LH

REMOVE SEAT TRACK BRACKET COVER OUTER FRONT LH


(a) Using a screwdriver, disengage the 3 claws and remove the bracket cover.

HINT: Tape the screwdriver tip before use.

2. REMOVE SEAT TRACK BRACKET COVER INNER FRONT LH

 REMOVE SEAT TRACK BRACKET COVER INNER FRONT LH


(a) Using a screwdriver, disengage the 2 claws and remove the bracket cover.

HINT: Tape the screwdriver tip before use.

3. REMOVE SEAT TRACK BRACKET COVER OUTER LH

REMOVE SEAT TRACK BRACKET COVER OUTER LH


(a) Using a screwdriver, disengage the 4 claws and remove the bracket cover.

HINT: Tape the screwdriver tip before use.

4. REMOVE SEAT TRACK BRACKET COVER INNER LH

HINT: Use the same procedures described for the bracket cover outer LH.

5. REMOVE FRONT SEAT ASSY LH

(a) Remove the headrest.

(b) Disconnect the connectors under the seat.

(c) Remove the 4 bolts and seat.

NOTICE: Be careful not to damage the vehicle body.

6. Passenger's seat only: REMOVE OCCUPANT CLASSIFICATION ECU (See page 60-64 )

7. REMOVE FRONT SEAT CUSHION SHIELD LH

(a) Remove the 2 rubber bands from the back of the front seatback board cover.

(b) Using a screwdriver, pry out the 2 power seat switch knobs.

HINT: Tape the screwdriver tip before use.

(c) Remove the 7 screws.

(d) Using a screwdriver, disengage the 4 claws and clip, and remove the cushion shield together with the cushion shield inner and cushion shield inner No. 1.

HINT: Tape the screwdriver tip before use.

REMOVE FRONT SEAT CUSHION SHIELD LH


(e) Disconnect the connector of the power seat switch.

(f) Remove the screw and disengage the claw using a screwdriver to remove the cushion shield from the cushion shield inner No. 1.

HINT: Tape the screwdriver tip before use.

8. REMOVE FRONT SEAT CUSHION SHIELD INNER LH

(a) Remove the screw.

(b) Using a screwdriver, disengage the claw and remove the cushion shield inner from the cushion shield inner No. 1.

9. REMOVE FRONT POWER SEAT SWITCH LH

(a) Disconnect the connectors.

(b) Remove the 3 screws and seat switch.

10. Driver's seat only: REMOVE POWER SEAT SWITCH ASSY

(a) Remove the 2 screws and seat switch.

11. REMOVE FRONT SEAT INNER BELT ASSY LH (See page 61-4 )

12. REMOVE SEPARATE TYPE FRONT SEAT CUSHION COVER

(a) Using a clip remover, remove the 2 clips on the cushion cover side.

(b) w/ Seat heater: Disconnect the seat heater connectors.

(c) Disengage the hook and remove the hog rings and seat cushion cover together with the pad.

(d) Remove the hog rings and cushion cover.

13. REMOVE FRONT SEATBACK BOARD SUB-ASSY LH

REMOVE FRONT SEATBACK BOARD SUB-ASSY LH


(a) Remove the 2 screws.

(b) Lower the seatback board in the direction indicated by the arrow in the illustration to disengage the 4 claws on the upper part.

REMOVE FRONT SEATBACK BOARD SUB-ASSY LH


(c) Hold the seatback board on the upper right and lower left as shown in the illustration.

REMOVE FRONT SEATBACK BOARD SUB-ASSY LH


(d) Turn the seatback board counterclockwise to disengage the claws and remove it.

14. REMOVE FRONT SEATBACK BOARD COVER SUB-ASSY

(a) Disengage the hook on the upper part of the seatback board cover.

(b) Remove the hog rings and seatback board cover.

15. REMOVE SEAT ARMREST ASSY LH

REMOVE SEAT ARMREST ASSY LH


(a) Using a screwdriver, disengage the 2 claws and remove the armrest cover.

HINT: Tape the screwdriver tip before use.

(b) Remove the bolt and armrest

16. REMOVE SEPARATE TYPE FRONT SEATBACK COVER

REMOVE SEPARATE TYPE FRONT SEATBACK COVER


(a) Remove the 2 headrest supports.

(b) Remove the hog rings and seatback cover together with the pad.

(c) w/ Side airbag: Remove the nut and seatback cover bracket.

(d) Remove the hog rings and seatback cover.

17. Driver's seat only: REMOVE LUMBAR SUPPORT ADJUSTER ASSY LH

(a) Disconnect the connectors.

(b) Remove the 2 screws and lumbar support adjuster.

18. REMOVE RECLINING ADJUSTER INSIDE COVER LH (UPPER SIDE)

(a) Remove the screw and reclining adjuster cover.

19. REMOVE RECLINING ADJUSTER INSIDE COVER RH (UPPER SIDE)

(a) Remove the screw and reclining adjuster cover.

20. REMOVE RECLINING ADJUSTER INSIDE COVER LH (LOWER SIDE)

(a) Remove the 2 screws and reclining adjuster cover.

21. REMOVE RECLINING ADJUSTER INSIDE COVER RH (LOWER SIDE)

(a) Remove the 2 screws and reclining adjuster cover.

22. REMOVE FRONT SEAT CUSHION SHIELD LOWER LH

(a) Remove the screw and cushion shield.

23. REMOVE FRONT SEAT CUSHION SHIELD LOWER RH

(a) Remove the screw and cushion shield.

24. Driver's seat only: REMOVE SEAT POSITION AIRBAG SENSOR

(a) Disconnect the wire harness connector.

(b) Disengage the claw and remove the seat slide position protector.

(c) Using a torx) socket wrench (T30), remove the torx) bolt and airbag sensor.

25. Driver's seat only: INSTALL SEAT POSITION AIRBAG SENSOR

INSTALL SEAT POSITION AIRBAG SENSOR


(a) Temporarily install the seat position airbag sensor.

(b) Install a 1 mm (0.04 in.) feeler gauge between the slide rail and sensor as shown in the illustration.

NOTICE:

HINT: Be sure to maintain a clearance between the seat position airbag sensor and the seat rail is within 0.6 mm (0.023 in.) to 2.0 mm (0.079 in.).

(c) Push the top of the sensor. While holding the sensor, tighten the sensor using a torx) socket wrench (T30).

Torque: 8.0 NVm (82 kgfVcm, 71 in.Vlbf)

(d) Install the seat slide position protector.

(e) Connect the wire harness connector.

26. INSTALL SEPARATE TYPE FRONT SEATBACK COVER

 INSTALL SEPARATE TYPE FRONT SEATBACK COVER


(a) Install the seatback pad.

(b) Cover the top of the seatback pad with the seatback cover.

(c) Using hog ring pliers, completely install the seatback cover with new hog rings.

NOTICE:

(d) Install the 2 headrest supports.

 INSTALL SEPARATE TYPE FRONT SEATBACK COVER


(e) w/ Side airbag: Fully cover the airbag with the seatback cover bracket and tighten the nut.

Torque: 5.6 NVm (57 kgfVcm, 49 in.Vlbf)

NOTICE:

 

27. INSTALL SEAT ARMREST ASSY LH

(a) Install the armrest with the bolt.

Torque: 37 NVm (377 kgfVcm, 27 ftVlbf)

(b) Install the armrest cover.

28. INSTALL SEPARATE TYPE FRONT SEAT CUSHION COVER

INSTALL SEPARATE TYPE FRONT SEAT CUSHION COVER


(a) Install the seat cushion.

(b) Using hog ring pliers, install the cushion cover to the cushion pad with new hog rings.

NOTICE:

(c) w/ Seat heater: Connect the seat heater connectors.

(d) Install the clip.

29. INSTALL FRONT SEAT INNER BELT ASSY LH (See page 61-4 )

30. INSTALL FRONT SEAT ASSY LH

(a) Place the seat in the cabin.

(b) Connect the connectors under the seat.

(c) Tighten the 2 bolts on the front side of the seat.

Torque: 36.7 NVm (375 kgfVcm, 27 ftVlbf)

(d) Tighten the 2 bolts on the rear side of the seat.

Torque: 36.7 NVm (375 kgfVcm, 27 ftVlbf)

(e) Install the 4 seat track covers.

(f) Install the headrest.

(g) Connect the negative battery's terminal.

31. INSPECT FUNCTION OF POWER SEAT OPERATION (See page 72-4 )

32. w/ Seat heater: CHECK SEAT HEATER OPERATION

33. Passenger's seat only: CHECK FUNCTION OF FRONT PASSENGER OCCUPANT CLASSIFICATION SYSTEM

HINT:

(a) Zero point calibration procedure:

  1.  Adjust the seat position according to the conditions below.

Adjustment Component

Position

Slide Direction Rearmost position
Reclining Angle Upright position
Headrest Height Lowest position
  1. Connect the hand-held tester to the DLC3.
  2.  Turn the ignition switch ON.
  3.  Perform the zero point calibration by following the prompts on the tester screen.

HINT: Refer to the hand-held tester operator's manual for further details.

(b) Sensitivity check procedure.

  1.  Connect the hand-held tester to the DLC3.
  2.  Apply a 30 kg weight (for example, a 30 kg of lead mass) onto the passenger seat.
  3.  Turn the ignition switch to the ON position.
  4.  Using the hand-held tester, perform the sensitivity check and confirm that the sensitivity is within the standard value.

Standard value: 27 to 33 kg

HINT:

NOTICE: Do not place any objects on the seat. Perform the initialization by attaching a mass more than 2 kgs in the seatback pocket, seatback table installed by the user or other appropriate location.

(c) Check the SRS warning lamp (see page 60-1 ).

Inspection
1. INSPECT FRONT POWER SEAT SWITCH LH (a) Check the resistance between the terminals when each switch is operated. Standard: Slide switch Driver's seat only: Front vertical switch D ...

Front seat ASSY LH (manual seat type
COMPONENTS OVERHAUL CAUTION: Wear safety gloves, because the cutting surface of the seatback frame and seat adjuster may injure your hand. Work must be at least 90 seconds after the ign ...

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