Toyota Avalon (XX50) 2019-2022 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 clearance warning ECU assembly 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

*: When performing learning using the Techstream.

Click here

Disconnect cable from negative battery terminal

Perform steering sensor zero point calibration

Lane Departure Alert System (w/ Steering Control)

Pre-collision System

Intelligent Clearance Sonar System*

Lighting System (for Gasoline Model with Cornering Light)

Memorize steering angle neutral point

Parking Assist Monitor System

Panoramic View Monitor System

Replacement of clearance warning ECU assembly

  • Measure ultrasonic sensor detection angle
  • Steering angle zero point learning
  • Register bumper type
  • Register ultrasonic sensor detection angle
  • Intelligent Clearance Sonar System
  • Intuitive Parking Assist System

CAUTION:

Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing.

Click here

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

*: When performing learning using the Techstream.

Click here

Disconnect cable from negative auxiliary battery terminal

Perform steering sensor zero point calibration

Lane Departure Alert System (w/ Steering Control)

Pre-collision System

Intelligent Clearance Sonar System*

Lighting System (for HV Model with Cornering Light)

Memorize steering angle neutral point

Parking Assist Monitor System

Panoramic View Monitor System

Replacement of clearance warning ECU assembly

  • Measure ultrasonic sensor detection angle
  • Steering angle zero point learning
  • Register bumper type
  • Register ultrasonic sensor detection angle
  • Intelligent Clearance Sonar System
  • Intuitive Parking Assist System

CAUTION:

Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing.

Click here

PROCEDURE

1. REMOVE LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY

Click here

2. REMOVE LOWER INSTRUMENT PANEL SUB-ASSEMBLY

Click here

3. REMOVE ECU INTEGRATION BOX RH

Click here

4. REMOVE CLEARANCE WARNING ECU ASSEMBLY

(a) Using a screwdriver with its tip wrapped with protective tape, disengage the claw and remove the clearance warning ECU assembly as shown in the illustration.

*a

Protective Tape

Remove in this Direction

NOTICE:

  • If the ECU integration box is deformed or damaged, replace it.
  • Do not bend the claw more than necessary.
    Installation

    Intelligent Clearance Sonar System(for Gasoline Model)

    See More:

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    Toyota Avalon (XX50) 2019-2022 Owners Manual

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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