Toyota Highlander 6 2001-06

Wheel Speed Sensors

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Removal & Installation



Front
  1. Raise and safely support the vehicle.
  2.  
  3. Remove the front wheel and tire assembly.
  4.  
  5. Remove the front fender splash shield.
  6.  
  7. Disconnect the speed sensor connector.

    Click image to see an enlarged view

    Fig. Detach the speed sensor electrical connector

  8.  
  9. Remove the 2 bolts and the clamp from the body and the shock absorber assy.
  10.  
  11. Remove the bolt and the front speed sensor.
    WARNING
    Do not allow any foreign matter to come in contact with the tip of the sensor.

  12.  

To install:

  1. Install the front speed sensor with the bolt and tighten to 71 inch lbs. (8 Nm).
  2.  
  3. Install the front speed sensor with the 2 bolt and clamp. Tighten as follows:
    1. Bolt A: 44 inch lbs. (5.0 Nm)
    2.  
    3. Bolt B: 14 ft. lbs. (19 Nm)

      Click image to see an enlarged view

      Fig. View of the sensor bolts A and B and clamp

    4.  
    5. Connect the clamp.
      NOTE
      Do not twist the sensor wire when installing the sensor.

    6.  

  4.  
  5. Attach the speed sensor connector.
  6.  
  7. Install the front fender splash shield.
  8.  
  9. Install the front wheel and tire assembly and tighten the lug nuts finger-tight.
  10.  
  11. Lower the vehicle, then final tighten the lug nuts to 76 ft. lbs. (103 Nm).
  12.  

Hybrid
  1. Raise and safely support the vehicle.
  2.  
  3. Remove the front wheel and tire assembly.
  4.  
  5. Remove the 3 screws, bolt and front fender mudguard sub-assembly.
  6.  
  7. Remove the bolts, screws, clips and front fender splash shield sub-assembly.
  8.  
  9. Remove the front speed sensor, as follows:
    1. Disconnect the front speed sensor connector.
    2.  
    3. Remove the 2 bolts from the body and the shock absorber assembly.
    4.  
    5. Remove the clamp from the steering knuckle.

      Click image to see an enlarged view

      Fig. View of the speed sensor connector and clamp

    6.  
    7. Remove the bolt and the front speed sensor.
      NOTE
      Prevent foreign matter from attaching to the sensor tip. Clean the installation hole and the surface for the speed sensor every time the speed sensor is removed.



      Click image to see an enlarged view

      Fig. Exploded view of the front speed sensor and related components

    8.  

  10.  
  11. Inspect the front speed sensor. If any of the following occurs, replace the front speed sensor with a new one:
    1. The surface of the front speed sensor is cracked, dented, or chipped off.
    2.  
    3. The connector is scratched, cracked, or damaged.
    4.  
    5. The front speed sensor has been dropped.
    6.  

  12.  

To install:

  1. Install the front speed sensor, as follows:
    1. Install the front speed sensor with the bolt and tighten to 71 inch lbs. (8.0 Nm).
      NOTE
      Prevent foreign matter from attaching to the sensor tip.

    2.  
    3. Install the front speed sensor with the 2 bolts and the clamp. Tighten bolt A to 44 inch lbs. (5 Nm) and bolt B to 14 ft. lbs. (19 Nm).
      WARNING
      Do not twist the wire harness for the front speed sensor when installing the front speed sensor.



      Click image to see an enlarged view

      Fig. Install the front speed sensor with the 2 bolts and the clamp. Tighten bolt A to 44 inch lbs. (5 Nm) and bolt B to 14 ft. lbs. (19 Nm)

    4.  
    5. Connect the front speed sensor connector.
    6.  

  2.  
  3. Install the front fender splash shield sub-assembly with the bolts, screws, and clips.
  4.  
  5. Install front fender mudguard subassembly with the 3 screws and bolt.
  6.  
  7. Install the front wheel and tire assembly, then carefully lower the vehicle. Tighten the lug nuts to 76 ft. lbs. (103 Nm).
  8.  
  9. Check the speed sensor signal.
  10.  
  11. If necessary, perform the initialization procedure, as outlined in the Chassis Electrical System.
  12.  

Rear
  1. Raise and safely support the vehicle.
  2.  
  3. Remove the rear wheel and tire assembly.
  4.  
  5. Remove the rear door outside scuff plate.
  6.  
  7. Remove the rear floor finish plate
  8.  
  9. Remove the deck trim side panel.
  10.  
  11. Disconnect the speed sensor connector, and pull out the sensor wire harness with grommet.

    Click image to see an enlarged view

    Fig. Disconnect the speed sensor connector, and pull out the sensor wire harness with grommet-2001-03 models

  12.  
  13. Remove the 2 clamp bolts holding the sensor harness from the body and shock absorber.

    Click image to see an enlarged view

    Fig. Remove the 2 clamp bolts holding the sensor harness from the body and shock absorber-2001-03 models

  14.  
  15. Unfasten the bolts, then remove the rear speed sensor.
    WARNING
    Do not allow any foreign matter to come in contact with the tip of the sensor.

  16.  

To install:

  1. Install the rear speed sensor rear with the bolt. Tighten to 15 ft. lbs. (20 Nm).
  2.  
  3. Install the sensor harness clamps with the 2 bolts to the body and shock absorber. Tighten to 44 inch lbs. (5 Nm).
  4.  
  5. Push in the sensor wire harness with grommet and connect the speed sensor connector.
  6.  
  7. Install the deck trim side panel.
  8.  
  9. Install the rear floor finish plate.
  10.  
  11. Install the rear door scuff plate.
  12.  
  13. Install the rear wheel and tire assembly and tighten the lug nuts finger-tight.
  14.  
  15. Lower the vehicle, then final tighten the lug nuts to 76 ft. lbs. (103 Nm).
  16.  

  1. Remove the deck trim side panel.
  2.  
  3. Raise and safely support the vehicle.
  4.  
  5. Remove the rear wheel and tire assembly.
  6.  
  7. Disconnect the speed sensor connector.
    WARNING
    Be careful not to damage the wire harness.

  8.  
  9. Pull out the sensor wire harness with the grommet.
    WARNING
    Do not pull sensor wire.

  10.  
  11. Remove the 2 bolts holding the sensor harness from the body and the shock absorber assy.

    Click image to see an enlarged view

    Fig. Pull out the sensor wire harness with the ground (b), then remove the 2 bolts holding the sensor harness from the body and the shock absorber (c)-2004-06 models

  12.  
  13. Remove the bolt and the rear speed sensor.
    WARNING
    Do not allow any foreign matter to come in contact with the tip of the sensor.

  14.  

To install:

  1. Install the rear speed sensor rear with the bolt. Tighten to 71 inch lbs. (8 Nm).
  2.  
  3. Install the sensor harness clamps with the 2 bolts to the body and the shock absorber. Tighten to 44 inch lbs. (5 Nm).
    WARNING
    Do not twist the sensor wire when installing the sensor.

  4.  
  5. Push in the sensor wire harness with grommet.
    NOTE
    When grommet is set to body, pull the grommet. Do not pull Sensor wire.

  6.  
  7. Connect the speed sensor connector.
  8.  
  9. Install the rear wheel and tire assembly and tighten the lug nuts finger-tight.
  10.  
  11. Lower the vehicle, then final tighten the lug nuts to 76 ft. lbs. (103 Nm).
  12.  
  13. Install the deck trim side panel.
  14.  

4wd Vehicles
Hybrid Models
  1. Remove deck board sub-assembly.
  2.  
  3. Remove no. 2 deck board sub-assembly
    1. Remove no. 3 deck board sub-assembly
    2.  
    3. Remove the rear deck floor box.
    4.  

  4.  
  5. For models without the no. 2 rear seat, remove the front deck floor box front.
  6.  
  7. Remove rear floor finish plate
  8.  
  9. Remove the right and left side deck side trim boxes.
  10.  
  11. For models with the no. 2 rear seat, remove the rear seat track covers:
    1. Using a molding remover, disengage the 4 claws and remove the rear seat track cover. side.
    2.  

  12.  
  13. Remove rear seat track bracket cover outer (w/ rear no. 2 seat):
    1. Disengage the 2 claws and clip and remove the rear seat track bracket cover outer.
    2.  

  14.  
  15. Remove the rear door scuff plate.
  16.  
  17. For models with the no. 2 rear seat, remove the deck board no.1 check:
    1. Remove the 4 nuts and deck board no.1 check.
    2.  

  18.  
  19. If equipped, remove rear no.2 seat assembly.
  20.  
  21. For models without the no. 2 rear seat, remove the deck side trim cover.
  22.  
  23. For models with the no. 2 rear seat, remove the left side deck side trim cover.
  24.  
  25. Remove the deck trim side panel assembly.
  26.  
  27. Raise and safely support the vehicle, then remove rear wheel and tire assembly.
  28.  
  29. Remove rear speed sensor, as follows:
    1. Disconnect the rear speed sensor connector.
      WARNING
      Be careful not to damage the wire harness when pulling out the harness.

    2.  
    3. Pull out the sensor wire harness with the grommet.
      NOTE
      Do not pull the sensor wire.

    4.  
    5. Remove the 2 bolts that hold the sensor harness from the body and the shock absorber bracket.
    6.  
    7. Remove the bolt and the rear speed sensor.
      NOTE
      Prevent foreign matter from attaching to the sensor tip. Clean the installation hole and surface for the speed sensor every time the speed sensor is removed.

    8.  

  30.  
  31. Inspect the rear speed sensor. If any of the following occurs, replace the rear speed sensor with a new one:
    1. The surface of the rear speed sensor is cracked, dented, or chipped off.
    2.  
    3. The connector is scratched, cracked, or damaged.
    4.  
    5. The rear speed sensor has been dropped.

      Click image to see an enlarged view

      Fig. Exploded view of the rear speed sensor and related components-model with no. 2 rear seat shown



      Click image to see an enlarged view

      Fig. Deck board and related components-models without no. 2 rear seat

    6.  

  32.  

To install:

  1. Install rear speed sensor, as follows:
    1. Install the rear speed sensor with the bolt and tighten to 71 inch lbs. (8 Nm).
      NOTE
      Prevent foreign matter from attaching to the sensor tip.

    2.  
    3. Install the sensor harness clamps with the 2 bolts to the body and the shock absorber bracket. Tighten to 44 inch lbs. (5 Nm).
      WARNING
      Do not twist the sensor wire when installing the sensor.

    4.  
    5. Push in the sensor wire harness with the grommet.
      WARNING
      When installing the grommet, do not pull the sensor wire. only pull the grommet.

    6.  
    7. Connect the speed sensor rear connector.
    8.  

  2.  
  3. Install rear wheel, then lower the vehicle. Tighten the lug nuts to 76 ft. lbs. (103 Nm).
  4.  
  5. Install the remaining components in the reverse of the removal procedure.
  6.  
  7. If necessary, perform the initialization procedure, as outlined in the Chassis Electrical System.
  8.  

 
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