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

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Certification Ecu / 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
*: 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
	Memorize steering angle neutral point	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
*: 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
	Memorize steering angle neutral point	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:

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

Installation

Electrical Key Oscillator(for Front Floor)

See More:

Toyota Avalon (XX50) 2019-2022 Owners Manual

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