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Home >> Lexus >> 2021 >> ES 350 Luxury >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Monitor - Service Information >> ULTRASONIC SENSOR (for Rear) >> Removal [06/2018 - 08/2021] >> Procedure

Removal [06/2018 - 08/2021]: Procedure

  1. REMOVE REAR BUMPER ASSEMBLY 

    for Single Type: Refer to REMOVAL [06/2018 - 08/2021]

    for Dual Type: Refer to REMOVAL [06/2018 - 08/2020] , or refer to REMOVAL [08/2020 - 08/2021]

  2. REMOVE REAR CENTER ULTRASONIC SENSOR 

    HINT: 

    The illustration is for the LH side. Use the same procedure for the RH side and LH side.

    1. Disconnect the connector.
      GTY792810Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction
    2. Disengage the 4 claws as shown in the illustration.
    3. Disengage the 2 claws and remove the rear center ultrasonic sensor as shown in the illustration.
      GTY799885Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction
  3. REMOVE REAR CORNER ULTRASONIC SENSOR 

    HINT: 

    The illustration is for the LH side. The orientation for the RH side is the opposite of the LH side.

    1. Disconnect the connector.
      GTY808427Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction
    2. Disengage the 4 claws as shown in the illustration.
    3. Disengage the 2 claws and remove the rear corner ultrasonic sensor as shown in the illustration.
      GTY822051Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Remove in this Direction
  4. REMOVE ULTRASONIC SENSOR CLIP 

    HINT: 

    • Perform this procedure only when replacement of the ultrasonic sensor clip is necessary.
    • Use the same procedure for all ultrasonic sensor clips.
    1. Disengage the clamp to remove the ultrasonic sensor clip from the wire.
      GTY806522Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE REAR CENTER ULTRASONIC SENSOR RETAINER 

    HINT: 

    • Perform this procedure only when replacement of the rear center ultrasonic sensor retainer is necessary.
    • When removing the rear center ultrasonic sensor retainer, heat the rear bumper assembly and rear center ultrasonic sensor retainer using a heat light.
    • The illustration is for the LH side. Use the same procedure for the RH side and LH side.
    1. Heat the rear bumper assembly and rear center ultrasonic sensor retainer using a heat light at the specified temperature for 3 to 5 minutes.

      Heating Temperature

      Item Temperature
      Rear Bumper Assembly 40 to 60°C (104 to 140°F)
      Rear Center Ultrasonic Sensor Retainer
      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.
      GTY583249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Heated Part
      *b Heat Light
    2. Remove the rear center ultrasonic sensor retainer.
      GTY806493Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE REAR CORNER ULTRASONIC SENSOR RETAINER 

    HINT: 

    • Perform this procedure only when replacement of the rear corner ultrasonic sensor retainer is necessary.
    • When removing the rear corner ultrasonic sensor retainer, heat the rear bumper assembly and rear corner ultrasonic sensor retainer using a heat light.
    • The illustration is for the LH side. Use the same procedure for the RH side and LH side.
    1. Heat the rear bumper assembly and rear corner ultrasonic sensor retainer using a heat light at the specified temperature for 3 to 5 minutes.

      Heating Temperature

      Item Temperature
      Rear Bumper Assembly 40 to 60°C (104 to 140°F)
      Rear Corner Ultrasonic Sensor Retainer
      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.
      GTY583249Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Heated Part
      *b Heat Light
    2. Remove the rear corner ultrasonic sensor retainer.
      GTY834140Courtesy 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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