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 ECM removal/installation are shown below.

NECESSARY PROCEDURES 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
	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 - ]
ECM	Perform Vehicle Identification Number (VIN) registration	DTC P0630-51 is output	Refer to REGISTRATION [08/2020 - ]
ECM	Grille shutter switch specification information	Vehicle control history (RoB) [X260E] is stored	Refer to INITIALIZATION [12/2021 - 11/2024]

NOTE:

If the ECM has been struck or dropped, replace it.
Perform Vehicle Identification Number (VIN) registration when replacing the ECM.
Refer to REGISTRATION [08/2020 - ]

After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition 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