I’ve successfully add a H chip key on a Toyota Corolla year 2015 by using Lonsdor K518ISE key programmer. H key all keys lost is not available currently, but G chip all key lost works if have smart key emulators.
Connect K518 with vehicle
Select Immobilizer->Toyota-> Program smart key-> Corolla->2015 UP->Immobilizer H type->Add key
A master key is required to add or erase other keys.
How to identify master key and valet key?
Insert key into ignition switch, if immo indicators won’t turn on, the key is the master key. If the immo light turns on for 2 sec and go off, it is the valet key.
Insert master key and switch ignition on
Insert key to be programmed
Follow Lonsdor K518 prompts to turn ON/OFF ignition switch
Programming key in progress
Add Toyota H chip key success.
Test the new key and start vehicle.