The inspection to the automotive fault is largely depend on the auto diagnostic tools such as the x431 diagun and GM MDI which have function of read the car trouble codes, clear trouble code and data stream, component testing, maintenance light reset, read the computer version, basic settings and matching adjustment. Some automotive fault diagnostic computer such as the gm tech2 and autocom cdp could also provide value-added services such as the long-distance diagnosis for car fault, vehicle maintenance data, fault code table, management of customer files, business functions and so on. From these descriptions, we could find that the manufacture for the auto diagnostic tools such as the GO2OBD which is a brand for reliable auto maintenance devices in China for 5 years has paid more attention to the function varieties of the auto diagnostic tools such as the autel maxiscan and tacho pro.
The knowledge from the website http://www.go2obd.com/ would teach us that there are two main types of automotive fault diagnostic computer and automobile link mode which are wired and wireless. The Wired type is that the people connect the diagnostic computer and automotive diagnostic seat by the diagnostic connector and link lines. The wireless type has eliminating the need for the middle of the link line. The wireless transmitter device connected to the diagnostic socket location and the diagnostic computer connect to receive the device. As we all know, the usual wireless device is the Bluetooth device.