Automobile load simulation device and test method

The invention relates to an automobile load simulation device and a test method. The automobile load simulation device is composed of a plurality of comprehensive test cards A, a plurality of comprehensive test cards B and a plurality of comprehensive test board cards C. Each comprehensive test card B is connected with the corresponding comprehensive test card A, the plurality of comprehensive test cards A and the plurality of comprehensive test board cards C are respectively connected with a communication board card, acomponent unit of the load cabinet in the hardware-in-the-loop simulation system is formed, the plurality of component units form a group of load cabinets, and the plurality of integrated test cards A and the plurality of integrated test cards C are respectively connected with a plurality of control units of a controller on a test bench in the hardware-in-the-loop simulation system through connectors. According to the test method, the signal simulation functions of voltage, current, resistance,