Specification :

This diagnostic cable is usable for ISO9141 and KWP2000 transmission protocol like used for example by:
Volkswagen
Audi
Skoda
Seat

Reference Data
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 OBD2 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 ISO9141 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.