Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual: Removal

Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Ultrasonic Sensor (for Rear) / Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during ultrasonic sensor removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link
*1: When performing learning using the Techstream.

Click here

Disconnect cable from negative battery terminal

Memorize steering angle neutral point

Lane Control System

Pre-collision System

Intelligent Clearance Sonar System*1

Parking Assist Monitor System

Panoramic View Monitor System

Lighting System (w/ Automatic Headlight Beam Level Control System)

Initialize back door lock

Power Door Lock Control System

Reset back door close position

Power Back Door System (w/ Outside Door Control Switch)

Rear bumper assembly or ultrasonic sensor
  • Ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Intelligent clearance sonar system
  • Intuitive parking assist system (w/ Intelligent clearance sonar system)

PROCEDURE

1. REMOVE REAR BUMPER ASSEMBLY (w/o Rear No. 2 Seat)

Click here

2. REMOVE REAR BUMPER ASSEMBLY (w/ Rear No. 2 Seat)

Click here

3. REMOVE REAR CENTER ULTRASONIC SENSOR

HINT:

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

(a) Disconnect the connector.

Remove in this Direction

(b) Disengage the 4 claws as shown in the illustration.

(c) Disengage the 2 claws and remove the rear center ultrasonic sensor as shown in the illustration.

Remove in this Direction

4. 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.

(a) for RH Side with Rear No. 2 Seat:

(1) Disconnect the connector.

Remove in this Direction

(2) Disengage the 4 claws as shown in the illustration.

(b) except RH Side with Rear No. 2 Seat:

(1) Disconnect the connector.

(c) Disengage the 2 claws and remove the rear corner ultrasonic sensor as shown in the illustration.

Remove in this Direction

5. 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.

(a) Disengage the clamp to remove the ultrasonic sensor clip from the wire.

6. 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.

(a) 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

CAUTION:

  • 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.

*a

Heated Part

*b

Heat Light

(b) Remove the rear center ultrasonic sensor retainer.

7. 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.

(a) 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

CAUTION:

  • 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.

*a

Heated Part

*b

Heat Light

(b) Remove the rear corner ultrasonic sensor retainer.
    Inspection
    INSPECTION PROCEDURE 1. INSPECT REAR CENTER ULTRASONIC SENSOR (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Speci ...

    Installation
    INSTALLATION PROCEDURE 1. INSTALL REAR CORNER ULTRASONIC SENSOR RETAINER HINT: Perform this procedure only when replacement of the rear corner ultrasonic sensor retainer is necessary. If a rear c ...

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