Hello everyone, Jhonnyexplorer. There are several forms, in certain brands, the motor builders adopted the Communication Protocol (Controller Area Network) from approx 2000 onwards, that if depending on the market ... without information of the type of car ... with a scanner you can try to establish communication with the electronics using different languages or protocols ... one of them and the one that was imposed is That ... is Can, if not "speak" another language. Without Scanner, you can get an idea by looking at the cables in the diagnostic connector, if time a couple of trens cables reaching their pins ... you have a multiplexed communication ... if the motor racing is modern and has electronic equipment of safety and comfort or convenience interveial of a large amount of information between several control modules and with the diagnostic equipment, for only 2 trens cables. Generally when they are the communication, it is fluid, fast and stable with the scanner. Greetings.
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