Toyota Avalon (XX50): Parking Assist Ecu

Components

COMPONENTS

ILLUSTRATION

*1

PARKING ASSIST ECU

*2

PARKING ASSIST ECU COVER

Installation

INSTALLATION

PROCEDURE

1. INSTALL PARKING ASSIST ECU

(a) Turn back the front floor carpet assembly and front floor mat as shown in the illustration.

(b) Engage the 2 guides to temporarily install the parking assist ECU as shown in the illustration.

Install in this Direction (1)

Install in this Direction (2)

(c) Install the parking assist ECU with the bolt.

(d) Install the front floor carpet assembly and front floor mat to its original position as shown in the illustration.

(e) Engage the clamp.

(f) Connect each connector.

2. INSTALL PARKING ASSIST ECU COVER

(a) Install the parking assist ECU cover with the 3 clips.

3. INSTALL FRONT SEAT ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

Click here

4. PERFORM CALIBRATION

for Gasoline Model: Click here

for HV Model: 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 parking assist 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 Procedures are 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 parking assist ECU

  • Parking assist ECU initialization
  • Adjust steering angle

Panoramic View Monitor System

Front passenger seat

Zero point calibration (Occupant classification system)

  • Occupant classification system
  • Passenger airbag ON/OFF indicator
  • Airbag system (Front passenger side)
  • Seat belt warning system (Front passenger)

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

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 parking assist ECU

  • Parking assist ECU initialization
  • Adjust steering angle

Panoramic View Monitor System

Front passenger seat

Zero point calibration (Occupant classification system)

  • Occupant classification system
  • Passenger airbag ON/OFF indicator
  • Airbag system (Front passenger side)
  • Seat belt warning system (Front passenger)

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 FRONT SEAT ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

Click here

2. REMOVE PARKING ASSIST ECU COVER

(a) Remove the 3 clips and parking assist ECU cover.

3. REMOVE PARKING ASSIST ECU

(a) Disconnect each connector.

(b) Disengage the clamp.

(c) Turn back the front floor carpet assembly and front floor mat as shown in the illustration.

(d) Remove the bolt.

(e) Disengage the 2 guides and remove the parking assist ECU as shown in the illustration.

Remove in this Direction (1)

Remove in this Direction (2)

Panoramic View Monitor System(for Hv Model)

Parking Assist Monitor System(for Gasoline Model)

See More:

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

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