Caution / Notice / Hint

WARNING: This page is about a different variant/trim than selected.

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during cylinder head gasket removal/installation are shown below.

NECESSARY PROCEDURE AFTER PARTS REMOVED/INSTALLED/REPLACED

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Auxiliary battery terminal is disconnected/reconnected	Perform steering sensor zero point calibration	Lane control system	Refer to INITIALIZATION [12/2021 - ]
		Parking support brake system (for HV model)*
		Pre-collision system
	Memorize steering angle neutral point	Parking assist monitor system	Refer to INITIALIZATION [11/2018 - 10/2022]
	Memorize steering angle neutral point	Panoramic view monitor system (for HV model)	Refer to INITIALIZATION [11/2018 - 10/2022]
	Reset back door close position	Power back door system (for HV model)	Refer to INITIALIZATION [11/2018 - 10/2023]
	Back door lock initialization	Power door lock control system	Refer to INITIALIZATION [11/2018 - ]
Replacement of ECM	Perform Vehicle Identification Number (VIN) registration	DTC P0630-51 is output	Refer to REGISTRATION [08/2020 - ]
Replacement of ECM	Grille shutter switch specification information	Vehicle control history (RoB) [X260E] is stored	Refer to INITIALIZATION [12/2021 - 11/2024]
Gas leak from exhaust system is repaired Replacement of throttle body with motor assembly Replacement of cam timing control motor with EDU assembly Removal and installation of a cam timing control motor with EDU assembly Replacement of camshaft timing gear assembly Removal and installation of a camshaft timing gear assembly Replacement of cylinder head sub-assembly Replacement of camshaft (for intake or exhaust camshaft) Replacement of camshaft timing exhaust gear assembly Replacement of port fuel injector assembly Replacement of direct fuel injector assembly Replacement of fuel pump assembly (for high pressure side) Replacement of spark plug Replacement of ignition coil assembly Replacement of EGR valve assembly Replacement of knock control sensor Replacement of air fuel ratio sensor (sensor 2)	Inspection after repair	Poor idle, etc. Engine start function, etc.	Refer to INITIALIZATION [12/2021 - 11/2024]
Replacement of inverter with converter assembly	Resolver learning	DTCs are stored Slight vibration at a vehicle speed of 5 km/h (3 mph) or less Shock or vibration during acceleration	Refer to UTILITY [02/2019 - ]
Replacement of hybrid vehicle transaxle assembly	Resolver learning Initialize resolver		Refer to UTILITY [02/2019 - ]
Suspension, tires, etc.	Television camera assembly optical axis (Back camera position setting)	Parking assist monitor system	Refer to CALIBRATION [11/2018 - 10/2022]
Suspension, tires, etc.	Parking assist ECU initialization Adjust steering angle	Panoramic view monitor system (for HV model)	Refer to CALIBRATION [11/2018 - 10/2022]
Front wheel alignment adjustment	Perform "Reset Memory" Perform "Calibration"	DTCs are stored ABS warning light illuminates Brake system warning light (yellow indicator) illuminates Slip indicator light illuminates Brake control disabled or malfunctions (brake drag, etc.)	Refer to UTILITY [12/2021 - ]
Front bumper assembly (Including removal and installation)	Front television camera view adjustment	Panoramic view monitor system (for HV model)	Refer to CALIBRATION [11/2018 - 10/2022]

*: When performing learning using the Techstream.

NOTE:

After the power switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the power switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) auxiliary battery terminal.

WAITING TIME BEFORE DISCONNECTING CABLE FROM NEGATIVE (-) AUXILIARY BATTERY TERMINAL

System Name	See Procedure
Vehicle enrolled in Toyota Audio Multimedia system or safety connect system	6 minutes
Vehicle not enrolled in Toyota Audio Multimedia system and safety connect system	1 minute

This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.
Refer to PRECAUTION [11/2018 - ]