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

    See More:

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Dynamic Radar Cruise Control System(for Hv Model): Front Radar Sensor Country Code Mismatch (C1A0A)
    DESCRIPTION The driving support ECU assembly uses the millimeter wave radar sensor assembly to detect objects in front of the vehicle. When the destination information in the millimeter wave radar sensor assembly and driving support ECU assembly do not match, DTC C1A0A is stored. DTC No. Detection I ...

    Toyota Avalon (XX50) 2019-2022 Owners Manual

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

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