Launch X431 Key Programmer can be used to work with X431 CRP919EBT/CRP919XBT to read transponder, detect frequency, generate remote, etc.
Simple guide:
Launch X431 Remote Maker comes with the following items:
- 1pc x X-431 Key Programmer
 - 1pc x Remote Programming Cable
 - 1pc x Super Chip
 - 4pcs x Smart Remote Keys (LS4, LN3, LE3, LE4 )
 - 1pc x Type-C to USB Converter
 

Functions:
- Read Transponder
 - Generate Transponder
 - Detect Frequency
 - Detect Ignition Switch Coil Signal
 - Generate Remote (Launch X-431 Remote)
 - Set Type of Super Chip
 - Set Type of Wireless Remote
 - Unlock Toyota Smart Key
 - Compatible with Launch Super Chip & VVDI Super Chip
 
Quick guide:
Connect X431 Key Programmer and Type-C to USB Converter

And then insert it into the USB port of Launch X431 CRP919 BT scanner

Select [Other Modules] on the main menu
Select Toolbox-> Key Programmer
 
Then put the key close to the identification coil of Key Programmer to read transponder, etc.

Video guide:
Read also:
How to Update X431 Key Programmer Software on Launch CRP919E BT?
How to Update X431 Key Programmer Software on Launch CRP919E BT?






