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 continuously variable transaxle assembly removal/installation are shown below.

NECESSARY PROCEDURE AFTER PARTS REMOVED/INSTALLED/REPLACED

Replacement Part or Procedure	Necessary Procedure	Effect/Inoperative when not Performed	Link
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 [09/2022 - 11/2022]
Replacement of continuously variable transaxle assembly 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*3	Refer to REGISTRATION [09/2022 - 11/2022]
Replacement of ECM*2	Code registration (Immobiliser system)	Engine start	Refer to REGISTRATION [09/2022 - 11/2022]
Gas leak from exhaust system is repaired	Inspection after repair	Poor idle, etc. Engine start function, etc.	Refer to INITIALIZATION [01/2019 - 11/2022]
Replacement of CVT fluid	ATF thermal degradation estimate reset	The value of the Data List item "ATF thermal Degradation Estimate" is not estimated correctly	Refer to INITIALIZATION [01/2019 - 11/2022]
Front wheel alignment adjustment	for TMMMS Made Perform "Reset Memory" Perform acceleration sensor zero point calibration and store system information memorization	VSC is disabled or malfunctions DTCs are output Slip indicator light illuminates ABS warning light illuminates	Refer to UTILITY [09/2022 - 11/2022] w/ Electric Parking Brake System Refer to UTILITY [09/2022 - 11/2022] w/o Electric Parking Brake System

*1: w/ Smart Key System

*2: w/o Smart Key System

*3: w/ Steering Lock Function

WARNING:

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

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Because the continuously variable transaxle assembly is extremely heavy, make sure to follow the work procedures described in the repair information.

*a	Heavy object exceeding the capacity of the transmission jack

If work is not performed according to the procedures described in the repair information, there is a danger that the transmission jack could drop and components could fall down.

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 Procedure not Performed	Necessary Procedure	Link
Pre-collision System (for TMMMS Made)	Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more.	Refer to INITIALIZATION [09/2022 - 11/2022]
Lane Tracing Assist System (for TMMMS Made)
Lane Departure Alert System (for TMMMS Made)