How to Program Lexus ES300 year 2103 4-button smart key when all keys lost by using Xhorse VVDI Prog and Tango key programmer.
Step 1: Read EEPROM 93C46
Follow wiring diagram to connect ecu IC 93C46 with Xhorse VVDI Prog and eeprom clip adapter.
Choose ecu and chip type, read and save eeprom data, i.e lexus2013.bin
Step 2: Make key with Tango
Open Tango transponder key programmer software
Upload eeprom data just read by VVDI Prog
Select TMS 37200
Insert key into Tango key programmer or attached smart key very close to Tango to identify
Tango has created the new key data bin file (i.e lexus2013b.bin).
Upload the new file to the immobilizer memory to complete key programming.
1st key is programmed
Step 3: Write back new key data to programmer
Upload new key data lexus2013b.bin file to vvdi prog
Click on Write
Write key data success
Save the new written eeprom data, i.e lexus2013eest.bin
Step 4: Program key success
Open Tango software again
Upload the new eeprom data lexus2013eest.bin
Press Program key icon
Key has been programmed successfully
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