Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Installation

INSTALLATION

PROCEDURE

1. INSTALL FRONT CORNER ULTRASONIC SENSOR RETAINER

HINT:

  • Perform this procedure only when replacement of the front corner ultrasonic sensor retainer is necessary.
  • If a front corner ultrasonic sensor retainer has been removed, replace it with a new one. Install the front corner ultrasonic sensor with a new front corner ultrasonic sensor retainer as a set to the front bumper assembly.
  • The illustration is for the LH side. The orientation for the RH side is the opposite of the LH side.

(a) Engage the 2 claws to install a new front corner ultrasonic sensor retainer to the front corner ultrasonic sensor.

(b) Clean the surface of the front bumper assembly.

(1) Remove any remaining double-sided tape from the front bumper assembly.

(2) Wipe off any adhesive residue with cleaner.

(c) Cover the sensor installation hole with a 19 mm (0.748 in.) circular piece of tape.

*a

19 mm (0.748 in.)

(d) Using a brush or felt, apply primer or equivalent to the front corner ultrasonic sensor retainer installation area.

NOTICE:

  • Use a clean brush or felt.
  • Do not touch the front bumper assembly until the primer has dried.

Primer

(e) Confirm that the primer has completely dried by touching the front bumper assembly. Then remove the tape.

(f) Peel off the release paper from the front corner ultrasonic sensor retainer.

(g) Align the front corner ultrasonic sensor retainer with front corner ultrasonic sensor with the mark on the front bumper assembly and install it as shown in the illustration.

NOTICE:

  • Ensure that the sensor tip is correctly inserted into the sensor installation hole of the front bumper assembly.
  • Ensure that the front corner ultrasonic sensor retainer is within the scribed line.
  • The double-sided tape of a front corner ultrasonic sensor retainer will deteriorate if it is detached. Make sure to replace the front corner ultrasonic sensor retainer with a new one when reattachment is necessary.

HINT:

Press the area shown in the illustration with a force of 30 N (3.0 kgf) for 3 seconds to securely install the front corner ultrasonic sensor retainer to the front bumper assembly. Confirm there is no clearance between the front corner ultrasonic sensor retainer and front bumper assembly.

*a

Scribed Line

Press Here

2. INSTALL FRONT 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) When replacing only the front corner ultrasonic sensor:

(1) Engage the 2 claws to install the front corner ultrasonic sensor as shown in the illustration.

Install in this Direction

(2) Connect the connector.

3. INSTALL FRONT CENTER ULTRASONIC SENSOR

HINT:

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

(a) Engage the 2 claws to install the front center ultrasonic sensor as shown in the illustration.

Install in this Direction

(b) Connect the connector.

4. INSTALL FRONT BUMPER ASSEMBLY

Click here

5. PERFORM CALIBRATION

Click here

SST: 09989-00020

    Inspection
    INSPECTION PROCEDURE 1. INSPECT FRONT CENTER ULTRASONIC SENSOR (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Spec ...

    Ultrasonic Sensor (for Rear)
    ...

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