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

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Power Source, Network / Networking / Network Gateway 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 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
*: 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

CAUTION:

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

Click here

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

CAUTION:

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

Click here

PROCEDURE

1. REMOVE LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY

Click here

2. REMOVE LOWER INSTRUMENT PANEL SUB-ASSEMBLY

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3. REMOVE ECU INTEGRATION BOX RH

(a) Disconnect each connector.

(b) Disengage the 2 clamps.

	Nut
	Bolt

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.

Installation

Power Distribution

See More:

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Can Communication System(for Hv Model): Check Bus 3 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the CAN main bus lines and/or CAN branch lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area Resistance between terminals 6 (CA3H) and 21 (CA3L) of th ...

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

Installation

Power Distribution

See More:

Toyota Avalon (XX50) 2019-2022 Owners Manual

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