Currently, the program is able to work with a gasoline Nissans engines via two Nissan protocols (Nissan Consult-1 and Nissan Consult-2) - it is not OBDII. If you have an engine with OBDII protocol, you need to use other programs. The program works via BlueTooth keychains chip ELM327 or via BT_NC1 adapter. The interface should be intuitive, and later will be laid out detailed video instructions for use. More info can be found at our forum: http://4pda.ru/forum/index. php? showtopic=554297.