The procedure is the same as 2021 RAV4.
Select Immobilizer->Toyota->Manual Selection->USA->Highlander->2020-2023->Smarrt Key->Control Unit->Keyless System (CAN)
Back up IMMO Data->Bakcup immo data via OBD
This function is used to back up EEPROM data of the smart box ECU which can be used to perform IMMO related functions without PIN. This function supports models with 8A-AA smart keys as of 2018 equipped with TMLF15 smart ECU.
Ensure network connection is good.
Turn the ignition off and turn the hazard warning lamps on and off once.
Turn off the bluetooth function of the device and connect VCI to the diagnose tool with USB cable otherwise the function may fail
Backup immo data successfully and save data
Select Generate analog key
KM100 has built-in emulator, so you don’t need APB112.
select the EEPROM Data just backedup
Generate analog key completed
use the analog key as the registered key to perform Add key function.
Select Add smart key function
Press Start button
Turn the ignition off and turn on emergency indicators
Upload eeprom data
Keep Autel KM100 close to the start button, the buzzer will beep once.
Keep the new key close to the start button, buzzer will beep twice
Turn on ignition
Put a learned smart key close to the START button. When learning is completed, you will hear buzzer beep once.
Learning completed, test the new key.