Caution / Notice / Hint

Fig 1: Front Seat Cushion Heater Removal Components [11/2020 - 11/2021] (1 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1	PRECAUTION	-	See step 1	-	-
2	FRONT SEAT ASSEMBLY LH	-	-	-	-
3	FRONT SEAT INNER BELT ASSEMBLY LH	73240	-	-	-
4	FRONT SEAT INNER BELT ASSEMBLY RH	73230	-	-	-
5	FRONT SEAT FRONT CUSHION SHIELD LH	71868N	See step 5	-	-
6	FRONT SEAT CUSHION SHIELD LH	71812D	See step 6	-	-
7	FRONT SEAT CUSHION SHIELD RH	71811D	See step 7	-	-
8	FRONT INNER SEAT CUSHION SHIELD LH	71862	See step 8	-	-
9	FRONT INNER SEAT CUSHION SHIELD RH	71861	See step 9	-	-

*A	for 8 Way Seat Type	*B	for 4 Way Seat Type
*C	for Driver Side	*D	for Front Passenger Side

Fig 2: Front Seat Cushion Heater Removal Components [11/2020 - 11/2021] (2 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code	Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
10	FRONT SEATBACK ASSEMBLY LH	-	See step 10	-	-
11	SEPARATE TYPE FRONT SEAT CUSHION COVER WITH PAD LH	-	-	-	-
12	SEPARATE TYPE FRONT SEAT CUSHION COVER LH	71072S	See step 12	-	-
13	FRONT SEAT CUSHION HEATER ASSEMBLY LH	87510L	See step 13	-	-

*1	SEPARATE TYPE FRONT SEAT CUSHION PAD LH	-	-
•	Non-reusable part	-	-

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

NECESSARY PROCEDURE AFTER PARTS REMOVED/INSTALLED/REPLACED

Replaced Part or Performed Procedure	Necessary procedures	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Disconnect cable from negative (-) auxiliary battery terminal	Memorize steering angle neutral point	Parking assist monitor system	Refer to INITIALIZATION [11/2020 - 12/2022]
	Memorize steering angle neutral point	Panoramic view monitor system	Refer to INITIALIZATION [11/2020 - 12/2022]
Front power seat control system (w/ Memory) Front seat back frame sub-assembly LH* Front power seat adjuster assembly LH*	Initialize position control ECU	Front power seat control system (w/ Memory)	Refer to REGISTRATION [11/2020 - 12/2023]
Occupant detection ECU (Including removal and installation) Front seat assembly RH (Only for 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 [11/2020 - 12/2023]

WARNING:

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

HINT:

When the cable is disconnected/reconnected to the auxiliary 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 (for Mono camera type)	Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more.	for Stereo Camera Type: - for Mono Camera Type: Refer to INITIALIZATION [11/2020 - 12/2023]
Lane tracing assist system (for Stereo camera type)
Pre-collision system (for Mono camera type)
Pre-collision system (for Stereo camera type)
Lighting system (EXT)
Advanced drive system	Drive the vehicle straight ahead at a vehicle speed of 35 km/h or higher for 30 seconds* or more.	-

*: This can be completed by doing this for 30 seconds continuously or for a total of 30 seconds intermittently.

Learning completes when vehicle is operated normally

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

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