Caution / Notice / Hint

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed, installed or replaced during the front seat assembly LH removal/installation are shown below.

NECESSARY PROCEDURES AFTER PARTS REMOVED / INSTALLED / REPLACED

Replacement Part or Procedure	Necessary Procedures	Effects / Inoperative when not Performed	Link
Position control ECU assembly LH (Including removal and installation) Position control ECU assembly RH (Including removal and installation) Power seat switch LH (Including removal and installation) Power seat switch RH (Including removal and installation) Front seatback frame sub-assembly LH (Including removal and installation) Front seatback frame sub-assembly RH (Including removal and installation) Front seat adjuster assembly LH (Including removal and installation) Front seat adjuster assembly RH (Including removal and installation) Power seat tilt motor assembly LH (Including removal and installation) Power seat tilt motor assembly RH (Including removal and installation) Power seat lifter motor assembly LH (Including removal and installation) Power seat lifter motor assembly RH (Including removal and installation)	Initialize position control ECU	Front Power Seat Control System	Refer to REGISTRATION [03/2017 - ]
Front seat assembly RH (Only for removal and installation) Occupant detection ECU (Including removal and installation)	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)	Refer to INITIALIZATION [03/2017 - ]

WARNING:

Wear protective gloves. Sharp areas on the parts may injure your hands.
There is risk of injury.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NOTE:

for Standard Seat Type:

If the front seat airbag assembly LH was deployed, replace the front seat airbag assembly LH, front seatback frame sub-assembly LH, separate type front seatback pad, separate type front seatback cover and front seatback sub-assembly LH with the necessary parts in accordance with the extent of the collision damage.
Replace any other damaged parts as necessary.

for Sports Seat Type:

If the front seat airbag assembly LH was deployed, replace the front seat airbag assembly LH, front seatback frame sub-assembly LH and front seatback pad with cover LH with the necessary parts in accordance with the extent of the collision damage.
Replace any other damaged parts as necessary.

HINT:

When the cable is disconnected/reconnected to the battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

Learning completes when vehicle is driven

Effect/Inoperative Function When Necessary Procedures are not Performed	Necessary Procedures	Link
Lane tracing assist system	Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more.	Refer to INITIALIZATION [05/2023 - ]
Pre-collision system		Refer to INITIALIZATION [05/2023 - ]
Variable gear ratio steering system		Refer to INITIALIZATION [03/2017 - ]

Learning completes when vehicle is operated normally

Effect/Inoperative Function When Necessary Procedures are not Performed	Necessary Procedures	Link
Air conditioning system	After the engine switch is turned to ON, the servo motor standard position is recognized.	-

Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.