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 headlight ECU sub-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

Front bumper assembly

  • Measurement of ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Intelligent Clearance Sonar System
  • Intuitive Parking Assist System

Front television camera view adjustment

Panoramic View Monitor System

  • Headlight assembly LH
  • Headlight ECU sub-assembly LH

Synchronize the vehicle information

Lighting system (for Gasoline Model with Cornering Light)

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

Front bumper assembly

  • Measurement of ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Intelligent Clearance Sonar System
  • Intuitive Parking Assist System

Front television camera view adjustment

Panoramic View Monitor System

  • Headlight assembly LH
  • Headlight ECU sub-assembly LH

Synchronize the vehicle information

Lighting system (for HV Model with Cornering Light)

HINT:

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

PROCEDURE

1. REMOVE HEADLIGHT ASSEMBLY

Click here

2. REMOVE HEADLIGHT ECU SUB-ASSEMBLY

NOTICE:

  • Make sure to replace the headlight gasket with a new one. Failure to do so may cause water ingress.
  • If the headlight ECU sub-assembly has been struck or dropped, replace it with a new one.

(a) Using a T25 "TORX" socket wrench, remove the 3 screws.

(b) Separate the connector cover from the headlight ECU sub-assembly.

(c) Disconnect the 2 connectors to remove the headlight ECU sub-assembly.

3. REMOVE HEADLIGHT GASKET

NOTICE:

Make sure to replace the headlight gasket with a new one. Failure to do so may cause water ingress.

(a) Remove the headlight gasket.

    Installation

    High Mounted Stop Light Assembly

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