Patent ID: 8065048
Filing Date: 2011-11-22
Classification: G07C

Abstract:
1. A diagnostic tool for identifying a vehicle's protocol, comprising: a processor that operates a software that automatically identifies the vehicle's protocol used by an electronic control unit of a diagnostic system in a vehicle under test and software used by the electronic control unit, wherein the processor attempts to communicate with the vehicle with a first communication protocol, the processor identifies a second communication protocol as the vehicle's protocol used by the electronic control unit when the first communication protocol is unsuccessful, and the processor identifies a third communication protocol as the vehicle's protocol used by the electronic control unit when the first communication protocol is successful; a memory that stores the software used by the processor; a connector interface that connects the tool to a data link connector in the vehicle; a signal translator that allows the tool to communicate with the vehicle in at least one communication protocol; an input device for inputting information into the tool; and a display that displays information to a user.