Dear toc,
thank you for your answer and suggestions.
But I already explain on which car did I try (VW Passat 1.9 TDI, year 1998). It seems that this car is ODB2 compatible and use ISO 9141 protocol:
outilsobdfacile.com/vehicle-list-compatible-obd2.php?brand=volkswagen
I also clearly describe what values I receive from the car. Did you have in mind some other replays from car?
Regards,
Rok
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