BCM automatic test system and method

The invention provides a BCM automatic test system, which comprises a BCM input signal board card, a BCM output signal board card, a power supply, a CAN card, a computer and a BCM connector, wherein the output end of the BCM input signal board card is connected with the input pin of the BCM connector through a wire harness, the input end of the BCM output signal board card is connected with the output pin of the BCM connector through a wire harness, the power supply is respectively connected with the BCM input signal board card, the BCM output signal board card and the tested object BCM through wire harnesses, the CAN card is connected with the BCM input signal board card and the tested object BCM through wire harnesses, and the CAN card is connected with the computer. The invention further provides a BCM automatic test method. The method has the advantages that BCM automatic test is achieved, the labor cost is reduced, and the purchase cost is reduced. 本发明提供了一种BCM自动化测试系统，包括BCM输入信号板卡、BCM输出信号板卡、电源、CAN卡、电脑和BCM接