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Mercury computer codes

Discussion in 'General Electronics' started by Nathan Schemm, Jan 2, 2004.

  1. Hi everyone,
    I am an electrical hobbyist, and I am looking at making a little add
    on to my Mercury Grand Marquis. I want to use a little processor, and
    read the computer codes on the Mercury periodically, among other
    functions. My problem is I can't find any technical information on the
    protocol/error message definitions. If any of you have run across such
    information, I would greatly appreciate it if you could send it to me.
    Thanks
     
  2. Is your Mercury any particular year?
     
  3. cessna

    cessna Guest

    You might look here
    http://www.autotap.com/
    AutoTap OBDII Diagnostic Scanner - The OBDII Scan Tool for reading and
    diagnosing engine trouble codes and more
     
  4. Al

    Al Guest

    If your car is '96 or later, this is what you want.

    http://www.carchip.com/home_static.asp

    Al
     
  5. You didn't even say what year it is. You should be asking this on the
    rec.auto.tech newsgroup.

    I've seen all sorts of info on the 'net about the Fords ECS system,
    the info isn't hard to find.

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  6. JeffM

    JeffM Guest

    I want to... read the computer codes on the Mercury periodically
    Watt Sun's post lead here:
    http://groups.google.com/groups?num...safe=off&q=OBDII+OR+OBD-II&btnG=Google+Search

    cessna's post lead here:
    (I recently saw an ad for a $140 device--I should have remembered.)
    http://www.google.com/search?num=10...fe=off&q=OBDII+OR+"OBD+II"&btnG=Google+Search

    Bev Roadman's page is here:
    http://obddiagnostics.com/

    Jeff Noxon (and the OpenDiag project)
    have done this for Volkswagen, Audi, Seat, or Skoda only.
    http://www.planetfall.com/~jeff/obdii/
    http://www.opendiag.org/

    You need to learn more about how newsgroups work. (Think "community".)
     
  7. JeffM

    JeffM Guest

    I want to... read the computer codes on the Mercury periodically
    Pages about On-Board Diagnostic system version 2 (OBD-II) that you
    should read:

    http://www.nsxprime.com/FAQ/Miscellaneous/OBDII.htm
    The basics

    http://obddiagnostics.com/FAQ.html
    Good FAQ

    http://www.cardlabs.com/CardLabs_obd2.htm
    The communications protocols

    http://www.obdii.com/connector.html
    Which cars use which protocol?

    http://www.andywhittaker.com/ecu/obdii_hardware.htm
    List of software projects at the bottom of the page)

    http://freediag.sourceforge.net/doc/Scantool-Manual.htm
    A software project
    DIY hardware projects at the bottom of the page

    http://www.planetfall.com/~jeff/obdii/
    Jeff Noxon's hardware interface project
    (He says it's for Volkswagen, Audi, Seat, or Skoda only)
    PDF & EAGLE docs; links to cables and software

    http://www.avt-hq.com/OBD_hw.htm
    Has connector pinouts

    http://www.openg.org/tiki/tiki-view...mode=commentDate_desc&topics_find=&forumId=23
    These guys are trying to do their own software project
    (Back up thru the directory tree for more insight)
     
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