This cable is used in conjunction with the Tango. You use this cable to connect to a Toyota Vehicle’s OBD Port when you are using the Tango to perform an Immo Reset on a Toyota Dot, G, or H Transponder Vehicles. You can also use this cable to connect to a Toyota Vehicle’s OBD Port when you are reading the Immo Information from the vehicle while using any of the SLK 02, SLK 03, SLK 04, and SLK 05 emulators.