Engine control module test board

The invention discloses an engine control module test board and belongs to the field of instruments and meters. The engine control module test board comprises a test board power supply unit, a test board control unit and a test board display unit; the test board power supply unit includes a 120W switching power supply; the test board control unit adopts a PLC(Programmable Logic Controller) in theseries S7-200 CN of Siemens, and a DO port of the PLC is in electric connection with a relay; the test board control unit further comprises a remote controller and the test board display unit comprises a touch screen; the PLC is used for simulating various signals of an engine to test a control module of the engine, and is connected with the touch screen which can display test states; the PLC canalso be controlled to send a specific signal to the control module of the engine; thus, the problem of low test efficiency of the conventional test boards can be solved effectively, operating difficulty can be reduced, work lo