Here Xhorsevvdi tech shows the
Read original transponder, and judge by the number on line p4
(if there is no p4 line, skip this step)
Read transponder result
Confirm your key is ASK or FSK? And key frequency.
If the frequency of original key is 315MHZ, select the option of 0111.
If it is 433MHZ, select the option of 0140 433.92.
And customer replied frequency is 312mhz
Then try 0031 Option
Then change frequency in Special Function>>VVDI Remote Function>>Toyota Smart Key Setting
After you generate OK, and change the frequency OK, please do key programming process.