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J2178 and J1850

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  • J2178 and J1850

    Does anyone have a copy of SAE J2178 and J1850? I need it to understand VPW communciation to get RPM, MPH, Fuel Level, etc from a Dodge Intrepid.

    Thanks!

  • #2
    Would it not be a whole lot easier to use an existing interface (ELM) and an existing PC-program?

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    • #3
      http://www.obdsol.com/stn1110/

      ELM327 compatible, firmware upgradeable, more features, faster performance. Single quantities, $0.
      OBDLink MX: world's smallest, fastest, most advanced OBD/Bluetooth adapter with SW and MS CAN support. Read the review to learn more.
      Need to look up a diagnostic trouble code? Try the most up-to-date, free DTCsearch.com!

      You cannot send me a private message using this forum. Use my email instead: vitaliy[@]scantool.net.

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      • #4
        Originally posted by Vitaliy View Post
        Single quantities, $0.
        Can't beat that price !

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        • #5
          That would be a lot easier, and I will probably end up using the elm or something similar. But as a side project, I was also hoping to communicate with an old intrepid instrument cluster with a microcontroller using j1850 standard to re-purpose the cluster to display something. It would be just the cluster and the microcontroller, so I'd need to know how to speak the right language to the instrument cluster.

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          • #6
            There are some open source projects out there that you can borrow J1850 code from. I wouldn't do it for a commercial project (J1850 is tricky to get working on all cars), but you can fudge the timings to work for your particular vehicle.
            OBDLink MX: world's smallest, fastest, most advanced OBD/Bluetooth adapter with SW and MS CAN support. Read the review to learn more.
            Need to look up a diagnostic trouble code? Try the most up-to-date, free DTCsearch.com!

            You cannot send me a private message using this forum. Use my email instead: vitaliy[@]scantool.net.

            Comment

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