This post show you guide on how to add new keys for Lexus ES350 all key lost situation.It is not need do buy special devices to do it,only universal key programmer enough.For Toyota all key lost,please refer to:Toyota All Key Lost Programming
Preparations:
Lexus ES350 Key Fob
Autek IKey820 Key Programmer
Procedures:
STEP 1:Immobilizer Box Data Initilization
Remove immobilizer box, it is behind the air conditioner evaporator,you need remove dashboard.
Picture show as below,the part number is 89784-33030
Remove the cover,then locate chip 93C56 on the PCB.
Use programmer to read out data from chip 93C56
Change all digits from 000 line~090 line to
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