Toyota Avalon (XX50): Power Seat Control Ecu

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Vehicle Interior / Seat / Power Seat Control Ecu

Components

COMPONENTS

ILLUSTRATION

POSITION CONTROL ECU ASSEMBLY LH

Installation

INSTALLATION

CAUTION / NOTICE / HINT

CAUTION:

Wear protective gloves. Sharp areas on the parts may injure your hands.

PROCEDURE

1. INSTALL POSITION CONTROL ECU ASSEMBLY LH

(a) Install the position control ECU assembly LH with the 3 screws.

(b) Connect the 3 connectors.

2. INSTALL FRONT SEAT ASSEMBLY LH

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 position control ECU assembly LH removal/installation are shown below.

Necessary Procedures 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 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 Gasoline Model with Cornering Light)
	Memorize steering angle neutral point	Parking assist monitor system
	Memorize steering angle neutral point	Panoramic view monitor system
Separate type front seat cushion spring assembly LH Front seatback frame sub-assembly LH Position control ECU assembly	Initialize position control ECU	Front power seat control system

Necessary Procedures After Parts Removed/Installed/Replaced (for HV 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 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
Separate type front seat cushion spring assembly LH Front seatback frame sub-assembly LH Position control ECU assembly	Initialize position control ECU	Front power seat control system

CAUTION:

Be sure to read Precaution thoroughly before servicing.
for Gasoline Model: Click here

for HV Model: Click here
Wear protective gloves. Sharp areas on the parts may injure your hands.

PROCEDURE

1. REMOVE FRONT SEAT ASSEMBLY LH

Click here

2. REMOVE POSITION CONTROL ECU ASSEMBLY LH

(a) Disengage the 2 clamps.

(b) Disconnect the 3 connectors.

Lumbar Support Adjuster Assembly

Power Seat Switch

See More:

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Brake (front): Front Brake
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