Wheel Speed Sensor (Front): Installation

2004 Toyota Matrix XR, FWD, StandardSECTION Installation
WARNING: This page is about a different car, the 2003 Lexus LS 430, 2002 Lexus LS 430, and 2001 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. Clean the contacting surface of the axle hub and a new speed sensor. Do not stick any foreign objects to the sensor rotor.
  2. Place the speed sensor on the axle hub so that the connector will be correctly positioned. See Fig 1.
  3. Using special tool (09214-76011) and a press, install a new speed sensor to the axle hub. Do not tap the speed sensor with a hammer. Check that there are no foreign objects on the speed sensor detection portion. Press in the speed sensor straight and slowly. See Fig 2.
  4. Connect the flexible hose and speed sensor harness clamp to the shock absorber and tighten bolt to specification. See TORQUE SPECIFICATIONSΒ .
  5. To complete installation, reverse removal procedure. Tighten all bolts and nuts to specification. See TORQUE SPECIFICATIONSΒ .
  6. Connect speed sensor connector.
  7. Install front fender liner and front wheel and tighten lug nuts to specification. See TORQUE SPECIFICATIONSΒ .
  8. Check speed sensor signal. See ABS SENSOR SIGNAL CHECKΒ  under COMPONENT TESTS.
Fig 1: Locating Correct Speed Sensor Position
G00205260Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.