AUTOMOBILE DIAGNOSIS DEVICE, SYSTEM AND METHOD

Disclosed are an automobile diagnosis device, system and method. The automobile diagnosis device includes: a diagnosis protocol transceiver configured to fault code data of an automobile to be diagnosed; a communication module; a master controller electrically connected to the diagnosis protocol transceiver and the communication module; a multimeter circuit electrically connected to the master controller and configured to send multimeter data to the master controller; an oscilloscope circuit electrically connected to the communication module and configured to send oscilloscope data to the host computer by means of the communication module; a signal generating circuit electrically connected to the master controller and configured to generate an analog waveform signal in response to a driving signal of the master controller. The adaptability of the automobile diagnosis device is improved.