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OBDII Vehicle Speed Logging

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tadz0rz
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OBDII Vehicle Speed Logging

Postby tadz0rz » Sat Nov 24, 2012 12:31 pm

Hey Guys

Just curious as to if the OBDII port shows actual vehicle speed compared to what is shown on the speedometer? Ie would the OBDII port give a reading which would be similar to tracking the vehciles speed via GPS?

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Postby Speedie » Sat Nov 24, 2012 1:58 pm

OBDII port show actual wheel speed as recorded by the ECU
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Glenn
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Postby Glenn » Sat Nov 24, 2012 2:51 pm

and you can also log/read "speed" 1 byte or 2byte for better resolution.
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