Lonsdor K518ISE Program Lexus 74 Chip Smart Key All Keys Lost by OBD

Guide to program Lexus 74 chip smart key all keys lost with Lonsdor K518 key programmer by OBD.

Note: The document is in Chinese, but here’s a similar demo guide in English

Program Lexus ES200 Smart Key All Keys Lost with Lonsdor K518ISE by OBD

Procedure:

Step 1: Backup EEPROM data

Connect K518 host with vehicle via diagnostic socket

Select Immobilizer->Lexus->Smart system all keys lost->Generate emulator original key

Select Backup EEPROM data

1. This function can backup car EEPROM data
2. hen backup complete, go to “Make emulator key” in a network environment to make a
spare original key
3. Use the spare original key to add key

Communicating…

Reading eeprom data, wait for 3 minutes

Backup data complete, save data and confirm

Backup eeprom success

Step 2: Make emulator key

Backup EEPROM data complete.
Please go to “Make emulator key” in a network environment (connect to WiFi) to make a spare original key

Select Make emulator key

This function can make a spare master key when all keys lost.
The key can replace the original master key o turn on the dash and add key.

Select eeprom bin file

Lonsdor K518ISE display eeprom, key information

Requesting server, wait for 2 minutes

Place the bound SKE-LT emulator key (green) into K518 key slot and press the round button

Making key, wait for 5 minutes

Key generation completed.

Check the emulator key round button, and close it to the ignition. Try to turn on the dashboard, if the dash can be turned on normally, use the emulator key instead of the original key to add/program new key.