Ultrasonic Sensor Removal

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Park Assist Monitoring. Lexus Gs430, Gs300. Uzs190 Grs190

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

  2. REMOVE COOL AIR INTAKE DUCT SEAL

  3. REMOVE ENGINE UNDER COVER

  4. REMOVE FRONT FENDER LINER LH

  5. REMOVE FRONT FENDER LINER RH

  6. REMOVE FRONT BUMPER COVER

  7. REMOVE NO. 3 ULTRASONIC SENSOR

  8. REMOVE REAR BUMPER NO. 1 PLATE

  9. REMOVE REAR BUMPER COVER

  10. REMOVE NO. 2 ULTRASONIC SENSOR

  11. REMOVE NO. 1 ULTRASONIC SENSOR

Ultrasonic Sensor -- Removal



1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.


2. REMOVE COOL AIR INTAKE DUCT SEAL


Lexus Gs430, Gs300. Uzs190 Grs190

  1. Using a clip remover, remove the 7 clips and duct seal.



3. REMOVE ENGINE UNDER COVER


Lexus Gs430, Gs300. Uzs190 Grs190

  1. Using a clip remover, remove the 3 clips.

  1. Remove the 10 screws and under cover.



4. REMOVE FRONT FENDER LINER LH


Lexus Gs430, Gs300. Uzs190 Grs190

  1. Using a screwdriver, remove the 2 clips.

  1. Partially remove the fender liner.

    HINT:
    It is not necessary to fully remove the fender liner. Partially remove it so that the bumper assembly can be removed later.


5. REMOVE FRONT FENDER LINER RH
HINT:
Use the same procedures described for the LH side.


6. REMOVE FRONT BUMPER COVER

  1. Using a clip remover, remove the 2 clips.

    HINT:
    Put protective tape under the front fender.


    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Remove the 6 screws and 5 bolts.



    Lexus Gs430, Gs300. Uzs190 Grs190.Park Assist Monitoring.Clearance Sonar System.Ultrasonic Sensor Removal

  1. Pull the bumper cover to detach the 3 claws on the LH side.

  1. Pull the bumper cover to detach the 3 claws on the RH side and remove the bumper cover.

  1. w/ Clearance sonar system:
    Disconnect the ultrasonic sensor connector.



7. REMOVE NO. 3 ULTRASONIC SENSOR

  1. Disconnect the sensor connector.



    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Remove the sensor from the sensor retainer as shown in the illustration.



    Lexus Gs430, Gs300. Uzs190 Grs190.Park Assist Monitoring.Clearance Sonar System.Ultrasonic Sensor Removal

  1. Remove the sensor retainer as shown in the illustration.



8. REMOVE REAR BUMPER NO. 1 PLATE


    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Using a screwdriver, remove the 2 bumper plates.

    HINT:
    Tape the screwdriver tip before use.


9. REMOVE REAR BUMPER COVER


    Lexus Gs430, Gs300. Uzs190 Grs190

  1. Remove the 4 clips and 6 screws.

    HINT:
    Put protective tape under the quarter panel.


    Lexus Gs430, Gs300. Uzs190 Grs190.Park Assist Monitoring.Clearance Sonar System.Ultrasonic Sensor Removal

  1. Pull the bumper cover to detach the 7 claws on the LH side.

  1. Pull the bumper cover to detach the 7 claws on the RH side.

  1. w/ Clearance sonar system:
    Disconnect the 4 ultrasonic sensor connectors.

  1. Remove the bumper cover.



10. REMOVE NO. 2 ULTRASONIC SENSOR


Lexus Gs430, Gs300. Uzs190 Grs190

  1. Disconnect the sensor connector.

  1. Remove the sensor retainer.

  1. Remove the sensor from the rear bumper.



11. REMOVE NO. 1 ULTRASONIC SENSOR


Lexus Gs430, Gs300. Uzs190 Grs190.Park Assist Monitoring.Clearance Sonar System.Ultrasonic Sensor Removal

  1. Disconnect the sensor connector.

  1. Remove the sensor retainer.

  1. Remove the sensor from the rear bumper.