These are known as protocols, and are specific to vehicle manufacturers.Ĭorrespondingly, what is the obd2 port used for? Every system is mostly the same, but there are slight variations. As a result, in 1996 car manufacturers started to equip cars and trucks with an OBD-II port. The data link connector ( DLC) is the multi-pin diagnostic connection port for automobiles, trucks, and motorcycles used to interface a scan tool with the control modules of a given vehicle and access on-board diagnostics and live data streams.īeside above, are all obd2 ports the same? However, it had many problems and shortfalls.
Similarly, what is a data link connector in a car? For the assembly plant test system computer that was connected to this vehicle connector and known by the same name, see the article IBM Series/1. Assembly Line Diagnostic Link or ALDL is a proprietary on-board diagnostics system developed by General Motors before the standardization of OBD-2.
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