FUNCTION：
This Interface is designed for VAG vehicles such as VW, Audi, Seat, Skoda with a 16-pin OBDII socket that using ISO9141-2 or ISO14230-4 (KWP2000) Protocol (Note: Will not work on CAN-BUS Protocol!), and when paired with the right software, can turn your laptop to a powerful portable vehicle diagnostic device.
CHARACTER：
1. This cable can not work if your car uses a protocol/bussystem like vpw, pwm or can-bus.
2. Terminal k = bus of communication
3. Terminal l = ignition for waking up car computing system (ecu: Engine control unit)
4. Existed 3 different protocols with same obd 2 connector incl. Iso/kwp, vpw, pmw
5. This k/l diagnostic interface &cables work on iso/kwp (key word protocol) launched after 1996 only
6. Supported also iso 9141 protocol
7. The cables may work with some versions of the carsoft, but carsoft used a lot of different interfaces during the different versions and also had some custom interfaces.
8. Product running as virtual comport, like many products it uses a usb to rs 232 converter chip.