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Home >> Lexus >> 2020 >> LS 500h AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control System - Service Information (2 Of 2) >> FRONT SPEED SENSOR (for 2WD) >> Installation [11/2021 - 10/2023] >> Procedure

Installation [11/2021 - 10/2023]: Procedure

  1. INSTALL FRONT AXLE HUB SUB-ASSEMBLY LH 
    1. Install the front axle hub sub-assembly LH.

      Refer to INSTALLATION [10/2020 - 10/2022] , or refer to INSTALLATION [10/2022 - 10/2023]

      HINT: 

      The front speed sensor is a component of the front axle hub sub-assembly. If the front speed sensor malfunctions, replace the front axle hub sub-assembly.

  2. INSTALL SKID CONTROL SENSOR WIRE 
    1. for LH Side:
      GTY806841Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the sensor clamp with the bolt.

        Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

        NOTE:

        Do not twist the skid control sensor wire when installing it.

      2. Connect the skid control sensor wire connector.
    2. for RH Side:
      GTY834218Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the sensor clamp with the bolt.

        Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

        NOTE:

        Do not twist the skid control sensor wire when installing it.

      2. Connect the skid control sensor wire connector.
      3. Connect the pad wear indicator connector.
    3. Install the sensor clamp with the nut.

      Torque: 8.5 N.m (87 kgf/cm, 75 in.lbf) 

      GTY806843Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Install the sensor clamp with the bolt.

      Torque: 8.5 N.m (87 kgf/cm, 75 in.lbf) 

      NOTE:

      Do not twist the skid control sensor wire when installing it.

      GTY806842Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Connect the skid control sensor wire connector.
  3. INSTALL FRONT WHEEL 

    Refer to INSTALLATION [10/2017 - 10/2023]

  4. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL (w/ Advanced Park) 

    Refer to PROCEDURE - Step 8

  5. CONNECT BRAKE BOOSTER PUMP CONNECTOR (w/o Advanced Park) 
    1. With the engine switch off, connect the 2 brake booster pump connectors.
    2. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [10/2020 - 10/2023]

  6. CHECK FOR SPEED SENSOR SIGNAL 
    1. w/ Advanced Park:

      Refer to TEST MODE PROCEDURE [11/2021 - 10/2023]

    2. w/o Advanced Park:

      Refer to TEST MODE PROCEDURE [10/2020 - 10/2023]

  7. INITIALIZATION AFTER RECONNECTING BATTERY TERMINAL (w/ Advanced Park) 

    Refer to WORK PROCEDURE [11/2021 - 10/2022] , or refer to WORK PROCEDURE [10/2022 - ]

    HINT: 

    When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.

    Refer to AUTOMATIC LEARNING CHART [11/2021 - 10/2023]

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