LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2003 >> ES 300 >> Repair and Diagnosis >> External Pages >> Different car >> Section 478 (Anti-Lock Brake System) >> Skid Control Sensor >> Replacement
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Skid Control Sensor: Replacement

WARNING: This page is about a different car, the 2004 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE REAR WHEEL 
  2. REMOVE REAR BRAKE DRUM SUB-ASSY (SEE  REMOVAL & INSTALLATION  ) 
  3. SEPARATE SKID CONTROL SENSOR WIRE 
  4. REMOVE REAR AXLE HUB & BEARING ASSY (SEE  REMOVAL  ) 
  5. REMOVE SKID CONTROL SENSOR 
    1. Install the 4 hub nuts to the 4 rear axle hub bolts. Placing an aluminum plate below the rear axle hub and bearing assy, place them into the vice.
      Fig 1: Installing Hub Nuts/Bolts
      G00933351Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE: Replace the rear axle hub and bearing assy if it is dropped or receives a strong shock.
    2. Remove the 2 pins from the SST (09520-00031) and separate the attachment (09521-00010) using a pin punch (3 mm) or hammer.
    3. Remove the speed sensor from the rear axle hub and bearing assy using the SST and 2 bolts (90101-12007).
      1. SST 09520-00031 (09520-00040), 09521-00020, 09950-00020
    NOTE:
    • Pull the speed sensor off straight, being careful not to make contact with the skid control sensor rotor.
    • If the speed sensor rotor is damaged or deformed, replace the rear axle hub and bearing assy.
    • Do not scratch the are where the speed sensor contacts the rear axle hub and bearing assy.
    • Do not attach foreign matter to the speed sensor rotor.
  6. INSTALL SKID CONTROL SENSOR 
    1. Wipe off sealant attached to the speed sensor's fitting surface with white gsoline.
      NOTE: Prevent foreign matter from attaching to the sensor rotor.
    2. Install the speed sensor to the rear axle hub and bearing assy. The speed sensor connector should be placed in the lowest position.

      HINT:

      The narrow side of the rear axle hub and bearing assy should be placed below.

      Fig 2: Installing Speed Sensor To Rear Axle Hub
      G00933352Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Press the new speed sensor so that it becomes fluch with the rear axle hub and bearing using the SST and a press.
      1. SST 09214-76011
      Fig 3: Pressing New Speed Sensor
      G00933353Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:
    • Do not use a hammer on the speed sensor.
    • Check that there is no foreign matter such as iron chips on the speed sensor's detecting portion.
    • Slowly press the speed sensor in straight.
  7. INSTALL REAR AXLE HUB & BEARING ASSY (SEE  INSTALLATION  ) 
  8. INSTALL SKID CONTROL SENSOR WIRE 
  9. INSTALL REAR BRAKE DRUM SUB-ASSY (SEE  REMOVAL & INSTALLATION  ) 
  10. INSTALL REAR WHEEL 
    1. Torque:  103 N.m (1,050 kgf.cm, 76 ft.lbf)
  11. INSPECT REAR WHEEL ALIGNMENT (SEE  INSPECTION  ) 
  12. CHECK ABS SPEED SENSOR SIGNAL  TEST MODE PROCEDURE 
scientia non olet · About LEMON Manuals