Toyota Avalon 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 Service & Repair Manual > Headup Display System(for Gasoline Model): Terminals Of Ecu
    TERMINALS OF ECU METER MIRROR SUB-ASSEMBLY (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Signal Input/Output Condition Specified Condition H1-1 (IG) - Body ground L - Body ground Engine switch signal - Eng ...

    Toyota Avalon Owners Manual

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