CRS300 (Common Rail System 300) control system features high pressure common rail diesel engine is an imitation of ECU (Engine Control Unit) of the working conditions, while providing Bosch, Delphi and other common rail system control signal, driving high-pressure common rail fuel pumps and high pressure common rail injection oil cooler work; drive signal parameters users can set their own situation, and saved for maintenance personnel working on the high-pressure common rail system and maintenance of state judgments.