Automobile comprehensive fault setting device

The embodiment of the utility model provides an automobile comprehensive fault setting device, and relates to the technical field of teaching aids. The automobile comprehensive fault setting device comprises an automobile comprehensive fault setting unit and an automobile comprehensive fault setting unit, a fault setting instrument and an aviation plug wire harness, the fault setting instrument isconnected in series with the automobile ECM through the aviation plug wire harness. The fault setting instrument comprises a panel, an operating switch, a resistance box, a fuse and a relay. The control switch, the resistor box, the fuse and the relay are all arranged on the panel. One or more of the control switch, the resistor box, the fuse and the relay are combined to form a plurality of control circuits corresponding to the aviation plug wire harness; wherein the plurality of control circuits are in one-to-one correspondence with a plurality of wire harnesses of the aviation plug wire harness, the control circui