Toyota Avalon (XX50): Suspension Control Ecu

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Suspension / Suspension Control / Suspension Control Ecu

Components

COMPONENTS

ILLUSTRATION

*1

BAGGAGE HOLDER NET

*2

SPARE WHEEL COVER ASSEMBLY

ILLUSTRATION

*1

LUGGAGE COMPARTMENT INNER TRIM PAD

*2

LUGGAGE COMPARTMENT TRIM INNER COVER RH

*3

NO. 1 LUGGAGE COMPARTMENT TRIM HOOK

*4

REAR FLOOR FINISH PLATE

ILLUSTRATION

*1

ABSORBER CONTROL ECU

*2

CONNECTOR

N*m (kgf*cm, ft.*lbf): Specified torque

-

-

Installation

INSTALLATION

PROCEDURE

1. INSTALL ABSORBER CONTROL ECU

(a) Install the absorber control ECU with the 2 nuts.

Torque:

7.5 N·m {76 kgf·cm, 66 in·lbf}

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.

(b) Connect the 2 connectors to the absorber control ECU.

2. INSTALL LUGGAGE COMPARTMENT TRIM INNER COVER RH

Click here

3. INSTALL LUGGAGE COMPARTMENT INNER TRIM PAD

Click here

4. INSTALL REAR FLOOR FINISH PLATE

Click here

5. INSTALL NO. 1 LUGGAGE COMPARTMENT TRIM HOOK

Click here

6. INSTALL BAGGAGE HOLDER NET

Click here

7. INSTALL SPARE WHEEL COVER ASSEMBLY

Click here

8. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

Click here

NOTICE:

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

Click here

9. PERFORM TEST MODE PROCEDURE

NOTICE:

After replacing the absorber control ECU, it is necessary to perform registration of vehicle identification information. Vehicle identification information is automatically acquired when the system enters test mode.

Click here

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 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

Replacement of the absorber control ECU

Registration of vehicle identification information

  • Interrupts damping force control
  • DTCs are stored

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

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

2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

Click here

NOTICE:

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

Click here

3. REMOVE SPARE WHEEL COVER ASSEMBLY

Click here

4. REMOVE BAGGAGE HOLDER NET

Click here

5. REMOVE NO. 1 LUGGAGE COMPARTMENT TRIM HOOK

Click here

6. REMOVE REAR FLOOR FINISH PLATE

Click here

7. REMOVE LUGGAGE COMPARTMENT INNER TRIM PAD

Click here

8. REMOVE LUGGAGE COMPARTMENT TRIM INNER COVER RH

Click here

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.

Relay

Tire And Wheel System

See More:

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

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