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Home >> Lexus >> 2023 >> LS 500 Base, RWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Monitor System - Service Information (1 Of 2) >> ULTRASONIC SENSOR (for Front) >> Removal [12/2017 - 10/2020] >> Procedure

Removal [12/2017 - 10/2020]: Procedure

  1. REMOVE FRONT BUMPER ASSEMBLY 
    1. for Sport Package:

      Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]

    2. except Sport Package:

      Refer to REMOVAL [12/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]

  2. REMOVE NO. 4 ENGINE ROOM WIRE 

    Refer to PROCEDURE - Step 8 [12/2017 - 09/2018] , or refer to PROCEDURE - Step 8 [09/2018 - 10/2020]

  3. REMOVE FRONT CORNER ULTRASONIC SENSOR 
    1. Detach the claw and remove the front corner ultrasonic sensor.
      NOTE:

      Before removing the sensor, make sure to mark the sensor and front bumper assembly so that each sensor can be returned to its original position.

      GTY805659Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE FRONT CORNER ULTRASONIC SENSOR RETAINER 

    HINT: 

    When removing the front corner ultrasonic sensor retainer, heat the front bumper assembly and front corner ultrasonic sensor retainer using a heat light.

    1. Heat the front bumper assembly and front corner ultrasonic sensor retainer using a heat light.
      WARNING:
      • Do not touch the heat light and heated parts.
      • Touching the heat light may result in burns.
      • Touching heated parts for a long time may result in burns.
      GTY835518Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Heated Part
      *b Heat Light

      Standard

      Item Temperature
      Front Bumper Assembly 20 to 30°C (68 to 86°F)
      Front Corner Ultrasonic Sensor Retainer
    2. Remove the front corner ultrasonic sensor retainer.
      GTY805661Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE FRONT CENTER ULTRASONIC SENSOR 
    1. Detach the claw and remove the front center ultrasonic sensor.
      NOTE:

      Before removing the sensor, make sure to mark the sensor and front bumper assembly so that each sensor can be returned to its original position.

      GTY805663Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE FRONT ULTRASONIC SENSOR CLIP 

    HINT: 

    • When removing the front ultrasonic sensor clip, heat the front bumper assembly and front ultrasonic sensor clip using a heat light.
    • Use the same procedure for the other front ultrasonic sensor clip.
    1. Heat the front bumper assembly and front ultrasonic sensor clip using a heat light.
      WARNING:
      • Do not touch the heat light and heated parts.
      • Touching the heat light may result in burns.
      • Touching heated parts for a long time may result in burns.
      GTY835518Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Heated Part
      *b Heat Light

      Standard

      Item Temperature
      Front Bumper Assembly 20 to 30°C (68 to 86°F)
      Front Ultrasonic Sensor Clip
    2. Remove the front ultrasonic sensor clip.
      GTY805680Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE ULTRASONIC SENSOR CUSHION SET 

    HINT: 

    Only perform this procedure when removing and installing the ultrasonic sensor cushion set.

    1. Remove the ultrasonic sensor cushion set as shown in the illustration.
      GTY866906Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction - -
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