Caution / Notice / Hint

WARNING: This page is about a different car, the 2022 Toyota Corolla, 2021 Toyota Corolla, 2020 Toyota Corolla, and 2019 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during floor shift transmission control select cable removal/installation are shown below.

NECESSARY PROCEDURE AFTER PARTS REMOVED/INSTALLED/REPLACED

Replacement Part or Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Disconnect cable from negative battery terminal	Perform steering sensor zero point calibration	Lane Control System (for Gasoline Model)	Refer to INITIALIZATION [06/2018 - 09/2022]
		Pre-collision System (for Gasoline Model)
		Lighting System (w/ AFS) (EXT)
Replacement of ECM	Vehicle Identification Number (VIN) registration	MIL comes on	Refer to REGISTRATION [01/2019 - 11/2022]
Replacement of ECM	ECU communication ID registration (Immobiliser system)	Engine start function	Refer to REGISTRATION [01/2019 - 09/2019]
Replacement of ECM	Reset memory Deceleration sensor zero point calibration CVT oil pressure calibration	Large shift shock Deterioration of fuel efficiency	Refer to INITIALIZATION [01/2019 - 11/2022]
Replacement of ECM*1	Code registration (Smart Key System (for Gasoline Model, Start Function))	Wireless Door Lock Control System (for Gasoline Model with Smart Key System) Smart Key System (for Gasoline Model, Entry Function) Smart Key System (for Gasoline Model, Start Function) Steering lock function	Refer to REGISTRATION [01/2019 - 09/2019]
Replacement of ECM*2	Code registration (Immobiliser system)	Engine start	Refer to REGISTRATION [01/2019 - 09/2019]
Gas leaks from exhaust system	Inspection after repair	Poor idle, etc. Engine start function, etc.	Refer to INITIALIZATION [01/2019 - 11/2022]

*1: w/ Smart Key System

*2: w/o Smart Key System

WARNING:

To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.

NOTE:

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, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Audio and Visual System (for Gasoline Model))
After the engine switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System)