Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001ATXA
Model Year Start: 2019 Model: Avalon HV Prod Date Range: [04/2018 - 08/2021]
Title: SUSPENSION CONTROL: SUSPENSION CONTROL ECU: REMOVAL; 2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]

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 absorber control ECU removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link
*: When performing learning using the Techstream.

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: INTELLIGENT CLEARANCE SONAR SYSTEM (for Gasoline Model): CALIBRATION

Replacement of the absorber control ECU

Registration of vehicle identification information
  • Interrupts damping force control
  • DTCs are stored

2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; SUSPENSION CONTROL: ADAPTIVE VARIABLE SUSPENSION SYSTEM: TEST MODE PROCEDURE

Disconnect cable from negative battery terminal

Perform steering sensor zero point calibration

Lane departure alert system (w/ Steering Control)

2019 - 2021 MY Avalon [04/2018 - 08/2021]; PRE-COLLISION: PRE-COLLISION SYSTEM (for Gasoline Model): INITIALIZATION

Pre-collision system

Intelligent clearance sonar system*

Lighting system (for Gasoline Model with Cornering Light)

Memorize steering angle neutral point

Parking assist monitor system

2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM (for Gasoline Model): INITIALIZATION

Panoramic view monitor system

2019 - 2022 MY Avalon [04/2018 -        ]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM (for Gasoline Model): INITIALIZATION

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

Click here 2019 - 2021 MY Avalon [04/2018 - 08/2021]; MAINTENANCE: 2GR-FKS BATTERY: REMOVAL+

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION 2021 MY Avalon Avalon HV [08/2020 - 08/2021]; INTRODUCTION: REPAIR INSTRUCTION: INITIALIZATION

3. REMOVE SPARE WHEEL COVER ASSEMBLY

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; DOOR / HATCH: LUGGAGE COMPARTMENT DOOR SUPPORT: REMOVAL+

4. REMOVE BAGGAGE HOLDER NET

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; DOOR / HATCH: LUGGAGE COMPARTMENT DOOR SUPPORT: REMOVAL+

5. REMOVE NO. 1 LUGGAGE COMPARTMENT TRIM HOOK

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; DOOR / HATCH: LUGGAGE COMPARTMENT DOOR SUPPORT: REMOVAL+

6. REMOVE REAR FLOOR FINISH PLATE

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; DOOR / HATCH: LUGGAGE COMPARTMENT DOOR SUPPORT: REMOVAL+

7. REMOVE LUGGAGE COMPARTMENT INNER TRIM PAD

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; DOOR / HATCH: LUGGAGE COMPARTMENT DOOR SUPPORT: REMOVAL+

8. REMOVE LUGGAGE COMPARTMENT TRIM INNER COVER RH

Click here 2019 - 2022 MY Avalon Avalon HV [04/2018 -        ]; DOOR / HATCH: LUGGAGE COMPARTMENT DOOR SUPPORT: REMOVAL+

9. REMOVE ABSORBER CONTROL ECU

(a) Disconnect the 2 connectors from the absorber control ECU.

(b) Remove the 2 nuts and absorber control ECU.

NOTICE:

  • Avoid any impact to the absorber control ECU.
  • Do not drop the absorber control ECU. If it is dropped, replace it with a new one.