Diesel car detector, using the WIN10 tablet PC as a diagnostic software operating platform, the diagnostic box is connected to the vehicle, communicating to the diagnostic platform by wireless bluetooth, the effective communication distance is 50 meters, it is convenient to diagnostic the vehicle for the operator. The main function is diesel car diagnosis and ECU Write, supports the wireless network, it can realize one-click upgrades. The diagnostic models cover all domestic and imported diesel vehicles, it can also realize multi-language support.