Toyota Avalon Service & Repair Manual: 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 Procedure After Parts Removed/Installed/Replaced (for Gasoline Model)

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function When Necessary Procedures are not Performed

Link

  • Rear bumper assembly
  • Ultrasonic sensor
  • Measure ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Intelligent Clearance Sonar System
  • Intuitive Parking Assist System

Necessary Procedure After Parts Removed/Installed/Replaced (for HV Model)

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function When Necessary Procedures are not Performed

Link

  • Rear bumper assembly
  • Ultrasonic sensor
  • Measure ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Intelligent Clearance Sonar System
  • Intuitive Parking Assist System

PROCEDURE

1. REMOVE REAR BUMPER ASSEMBLY

Click here

2. REMOVE REAR CENTER ULTRASONIC SENSOR

HINT:

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

3. REMOVE REAR CORNER ULTRASONIC SENSOR

HINT:

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

(a) Disconnect the connector.

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

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.

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

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

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

    Installation

    Telematics

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