GODIAG GT100 OBDII Protocol Detector OBD2 Break Out Box ECU Connector GODIAG GT100 is a brand new ECU connector and protocol communication testing tool. It will greatly help a user to connect the ECU module separately for diagnosis, programming and coding. Also it will tell whether the diagnostic & programming tool can normally send out communication signal.Highlights to get GODIAG GT100: 1.GODIAG GT100 is a latest testing platform for OBDII protocol communication detection and ECU maintenance, diagnosis, programming & coding. 2. It can convert the car OBD2 interface into 6 pin for signal detection and electrical level conversion. 3.Able to connect the single modules or multiple modules of the vehicle. 4.Connect with any diagnostic tool to tell whether the car communication is good or not. 5.Supply power to the car when you change the battery to avoid the vehicle control module data being lost, automatically locked, key remote control fails or the fault light turns on. 6.One Year Warranty. 7.Can work together with Xhorse vvdi2, Autel Scanner, Launch Scanner, Foxwell Scanner, Vident Scanner etc, will make your operation much easier. 8. for BMW CAS4 Test Platform function will be coming soon, and also will develop the connection cable for Benz and for Chrysler, please wait. 9. GODIAG is our brand, we can provide good price and technical support for distributors worldwide. GODIAG GT100 function and operation guide - By connecting the vehicle and diagnostic tool via OBDII, Godiag GT100's LED will indicate whether the OBDII diagnostic interface has a good communication with the car. - Monitor the voltage of vehicle OBDII interface and display it in real time. If it is less than 11V, please stop the diagnosis and programming to avoid the vehicle being unable to start/data loss/module locked. 1. Tell whether the diagnostic & programming tool can send out communication signal. After connecting the diagnostic & programming tool to the OBD2 port of GT100, select the car model and function to be performed. Then you will see on GT100 the protocol indicator light will turn on or flash (because the diagnostic & programming tool will send out the communication signal), if the indicator won't turn on, it indicates that the diagnostic & programming tool has a incorrect connection or the machine is damaged. 2. Display the status during communication: