Diagnosis system for a motor vehicle

摘要

A system for diagnosing a motor vehicle has a diagnosis device including a computer having a central processing unit and a memory, the memory having a plurality of programs for diagnosing an electronic control system for controlling an engine. Terminals are provided on a case of the diagnosis device for receiving analog signals from elements of the vehicle. An analog of digital converter is provided in the diagnosis device connected with the terminals for converting an analog signal to a digital signal, thereby monitoring the elements of the vehicle.