2003 Lexus ES 300FACTORY OEM SERVICE PROCEDURE

Skid Control Sensor: Replacement

HINT:

Replace the RH side by the same procedure with LH side.

  1. REMOVE REAR WHEEL 
  2. SEPARATE SKID CONTROL SENSOR WIRE 
    1. Disconnect the connector from the skid control sensor.
      Fig 1: Disconnecting Connector From Skid Control Sensor
      G01327304Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE REAR DISC BRAKE CALIPER ASSY, LH (See  REMOVAL & INSTALLATION  ) 
  4. REMOVE REAR DISC 
  5. REMOVE REAR AXLE HUB & BEARING ASSY LH 
    1. Remove the 4 bolts and rear axle hub & bearing assy.
      Fig 2: Removing Rear Axle Hub & Bearing Assy And Bolt
      G01327305Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE SKID CONTROL SENSOR 
    1. Mount the rear axle hub in a soft jaw vise.
      NOTE: Replace the axle hub assembly if it is dropped or a strong shock is given to it.
    2. Using a pin punch and hammer, drive out the 2 pins and remove the 2 attachments from SST.
    3. Using SST and 2 bolts (Diameter: 12 mm, pitch: 1.5 mm), remove the skid control sensor from the rear axle hub.
      1. SST 09520-00031 (09520-00040), 09521-00020, 09950-00020
      NOTE:
      • If a damage is inflicted to the sensor rotor, replace the axle hub assembly.
      • Do not scratch the contacting surface of axle hub and speed sensor.
  7. INSTALL SKID CONTROL SENSOR 
    1. Clean the contacting surface of the axle hub and a new skid control sensor.
      NOTE: Make sure the sensor rotor is clean.
Factory Service Tools

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When to See a Mechanic

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

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

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