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  1. Malleus

    1997 Land Cruiser OBD FUSION App Question

    I never said it did. Probably a good idea to read before flaming. Appreciate your helpful insight, though.
  2. Malleus

    1997 Land Cruiser OBD FUSION App Question

    I meant to say only the standard protocol (the description of what the standard pin arrangement does what and the data transfer rates) is available. Both the description and the cables to connect to both OBD I and OBD II data ports are readily available. An OBD I (the DLC 1 connection on the...
  3. Malleus

    1997 Land Cruiser OBD FUSION App Question

    EDIT: I do think I saw this years ago, and again just recently; someone was selling his reader (it went in minutes). The comment was made that the guy who made these has stopped and has fallen off the planet. :( Yes, a good quality photo would help reverse engineer it. It can't be much...
  4. Malleus

    1997 Land Cruiser OBD FUSION App Question

    Well, that gets half my problems solved for me. Looks like it's up to me to carry water for the '93-'94 crowd. @jpoole, FWIW, I think the difference between the OBD I and OBD II signals is the pulse output to the annunciator (combo meter). The raw sensor data stream should be the same, at...
  5. Malleus

    1997 Land Cruiser OBD FUSION App Question

    Share, share, share!
  6. Malleus

    1997 Land Cruiser OBD FUSION App Question

    @DirtyPepper @jpoole Post #9 update: The solution I thought was a Celica was actually a Corolla. Here's the link, from an Arduino blog, with details on how the OBD I data was captured and routed. User talofer99 included his code, along with revisions (nice guy, that). It's a long read, but it...
  7. Malleus

    1997 Land Cruiser OBD FUSION App Question

    What would really be nice is a diagnostic tool like the Toyota techs have to connect to the DLC 1 port, so you can get the OBD I/II data in the engine compartment for adjusting/testing/tuning use. The cables already exist and can be had for $5. The same board for the dash display would work...
  8. Malleus

    1997 Land Cruiser OBD FUSION App Question

    Apologies for highjacking your thread, but the perfect solution would be to create a board to send the OBDII and other desirable signals to, and then display that information. Ideally you'd want to tap into the leads at the ECU terminals under the glovebox (which would be straightforward) and...
  9. Malleus

    1997 Land Cruiser OBD FUSION App Question

    I know some have rigged a tee, or wye, into the transmission temperature sensor port and installed a second temperature sensor to run to a dedicated gauge. That's absolutely the easier solution, although not the most elegant, for sure. However, in the immortal words of the imminent sage, Mr...
  10. Malleus

    1997 Land Cruiser OBD FUSION App Question

    I haven't found a list of ODBII signals; I doubt one exists publicly. If it does, someone has backtraced it. If I understand you correctly, the transmission temperature signal, as near as I can make out, is only connected to the high limit switch on the ECU, which is also connected to the...
  11. Malleus

    1997 Land Cruiser OBD FUSION App Question

    There's a thread on it here (somewhere) and a post on it (for another Toyota model) I have bookmarked somewhere in my library (which may or may not be retrievable). The idea is that the transmission temperature sensor signal is routed to a high limit switch on the ECU board logic. What needs...
  12. Malleus

    1997 Land Cruiser OBD FUSION App Question

    It actually is, you just have to create a user-defined PID to access it. The transmission has a temperature sensor in it.
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