Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001YNE6
Model Year Start: 2022 Model: Avalon HV Prod Date Range: [08/2021 -           ]
Title: NETWORKING: NETWORK GATEWAY ECU: REMOVAL; 2022 MY Avalon Avalon HV [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 central gateway ECU (network gateway ECU) 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
*1: 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

Disconnect cable from negative battery terminal

Perform steering sensor zero point calibration

Lane Tracing Assist System

2022 MY Avalon Avalon HV [08/2021 -        ]; PRE-COLLISION: PRE-COLLISION SYSTEM: INITIALIZATION

Pre-collision System

Intelligent Clearance Sonar System*1

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

CAUTION:

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

Click here 2021 - 2022 MY Avalon [08/2020 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for Gasoline Model): PRECAUTION

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
*1: When performing learning using the Techstream.

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

Disconnect cable from negative auxiliary battery terminal

Perform steering sensor zero point calibration

Lane Tracing Assist System

2022 MY Avalon Avalon HV [08/2021 -        ]; PRE-COLLISION: PRE-COLLISION SYSTEM: INITIALIZATION

Pre-collision System

Intelligent Clearance Sonar System*1

Lighting system (for HV Model with Cornering Light)

Memorize steering angle neutral point

Parking assist monitor system

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

Panoramic view monitor system

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

CAUTION:

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

Click here 2019 - 2022 MY Avalon HV [04/2018 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for HV Model): PRECAUTION

PROCEDURE

1. REMOVE LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY

Click here 2022 MY Avalon Avalon HV [08/2021 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: KNEE AIRBAG ASSEMBLY (for Front Passenger Side): REMOVAL

2. REMOVE LOWER INSTRUMENT PANEL SUB-ASSEMBLY

Click here 2022 MY Avalon Avalon HV [08/2021 -        ]; INTERIOR PANELS / TRIM: INSTRUMENT PANEL SAFETY PAD: REMOVAL+

3. REMOVE ECU INTEGRATION BOX RH

(a) Disconnect each connector.

(b) Disengage the 2 clamps.

Nut

Bolt

(c) Remove the nut, bolt and ECU integration box RH.

4. REMOVE CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)

(a) Disengage the 2 claws and remove the central gateway ECU (network gateway ECU) as shown in the illustration.

Remove in this Direction

NOTICE:

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