Autel KM100 is able to add 2019-2023 Lexus ES300H smart key by OBD successfully. Following I'm gonna show the procedure step by step.
Step1. Back Up IMMO Data
Immo >> Lexus >> Manual selection >> Europe >> ES300h >> 2018/08- Smart Key >> Yes >> Control unit >> Keyless System(CAN) >> Back up IMMO data
Turn the hazard warning lamps on and off once, press the Start/Stop button 5 times and keep the ignition off.
Back Up via OBD >> OK
This function is used to back up EEPROM data of the smart main ECU, which can be used to perform IMMO related functions without PIN. This function supports models with 8A-AA smart key as of 2018(equipped with TMLF15 smart main ECU).
Press Yes to continue.
Autel KM100E Warning:
You must turn off the Bluetooth function of the device and connect VCI to diagnostic tool with USB cable, otherwise the function may fail!
Save EEPROM data.
Backup succeed.
Step2. Add Smart Key
Click "Add smart key".
This function serves to learn keys and a maximum of 7 keys can be learned.
Please complete the steps within specified time.
Turn on the ignition.
Confirm VIN.
Turn the ignition off and turn on hazard warning lamps.
Have you backed up the EEPROM data of this vehicle? Yes
Select the EEPROM data.
Step1. keep a programmed key close to the start button, the buzzer will beep once.
Step2. keep the unprogrammed key close to the start button, buzzer will beep twice.
Turn on the ignition.
Put a learned smart key close to the START button.
When learning is completed, a buzzing sound can be heard.
Learning succeeded.
Test the new key, it can normally work.
Done.
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