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 certification ECU (smart key 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 Procedure 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 certification ECU (smart key ECU assembly)

Code registration (Smart key System (for Start Function)

  • Wireless door lock control system
  • Smart key system (for Entry Function)
  • Smart key system (for Start Function)
  • Steering lock function

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 certification ECU (smart key ECU assembly)

Code registration (Smart key System (for Start Function)

  • Wireless Door Lock Control System
  • Smart Key System (for Entry Function)
  • Smart Key System (for Start Function)
  • Steering lock function

CAUTION:

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

for Gasoline Model:

Click here

for HV Model:

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 CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

(a) Disengage the 2 claws and remove the certification ECU (smart key ECU assembly) as shown in the illustration.

Remove in this Direction

NOTICE:

  • If the ECU integration box RH is deformed or damaged, replace it.
  • Do not bend the 2 claws more than necessary.
    Installation

    Electrical Key Oscillator(for Front Floor)

    See More:

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Tire Pressure Warning System(for Hv Model): Initialization
    INITIALIZATION NOTICE: Initialization can be confirmed through the tire pressure warning light. If the power switch is turned off during initialization, the tire pressure warning ECU and receiver memorizes that initialization was being performed. Therefore, it is not necessary to perform the initial ...

    Toyota Avalon (XX50) 2019-2022 Owners Manual

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

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