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Type: Posts; User: kur4o

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  1. Replies
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    The attached file seems good. It will be good to...

    The attached file seems good. It will be good to post the eehack read. eehack dumps are using full memory range or 128kb files. That might be the problem when you open the file in tunerpro, since it...
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    I checked the bin and the following ranges are...

    I checked the bin and the following ranges are all AC related.
    byte_8005 bit 6, bit 7
    8195-81ba
    822b-8262

    Find a bin from front wheel drive, manual, orfice tube car and copy all the parameters....
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    The code can run with 2 different AC system. On...

    The code can run with 2 different AC system. On f-body with evap temperature control and TXV. On front wheel drive platforms it is with orfice tube.

    There is separate settings and code for each...
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    Did you manage to test it out? I got some other...

    Did you manage to test it out? I got some other ideas too, if it wont work.
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    Patch reconfigures one of the SPI comm byte that...

    Patch reconfigures one of the SPI comm byte that is used in ac routine. This byte is compared with 819d and 819c. Stock settings are $24 and $80.
    $24=36 and is really close to the MPH you reported....
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    I think I found the cure. It matches exactly the...

    I think I found the cure. It matches exactly the symptoms 36 mph and 50kp.
    There is one byte changed at the spi comm that is used in ac routine.

    Change 819d to ff and 819c to ff.
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    I check all AC routines and there is nothing MAP...

    I check all AC routines and there is nothing MAP related in the code. Bit 4 and 5 are gear related too.

    I suppose there is something broken with the patch you have. If you post all the files you...
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    You shouldn`t do that. It will mess the code. Use...

    You shouldn`t do that. It will mess the code. Use +$8000 offset only when you add the patch in tunerpro.
    At the bin you should keep the relative address location. On e and t side they both start at...
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    You defenitely need to add offset at the xdf. ...

    You defenitely need to add offset at the xdf.
    The e and t side are actually 64kb bins each at the dissasembly. They are shrinked to 32kb. The processor sees 32kb empty space + 32 kb data. The data...
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    There is definitely some noise interference when...

    There is definitely some noise interference when the engine is runnig. Maybe the PCM grounds are not good, or some other wiring. The PCM should get only grounds through the wires and should be...
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    Chips are the same only a bit smaller 32kb...

    Chips are the same only a bit smaller 32kb each.You can use the old ones. If you buy new chips look for the lower latency ones. I think the intel ones on the board are 120ns.

    Desoldering is real...
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    I dig deep into the board of 98 pcm and found it...

    I dig deep into the board of 98 pcm and found it has 243 ohm resistor, vs 909 ohm on the 94 board. They are of similar size and likely 0.75w. Everthing else is aranged identical with 10k isolation....
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    Thanks for the help. I did make some experiments...

    Thanks for the help.
    I did make some experiments and here is what I found

    On Tside

    #0 AD 252 PIN A31 coolant
    #1 TPS AD 251
    #2 Open state ad counts $c2 which is about 4v I measured all the...
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    Hi, RobertISaar Do you managed to find the...

    Hi, RobertISaar
    Do you managed to find the software addresses for a4, a7, a28 pins.
    I need to log pin a7, I checked the voltage and it has 5v output. It is perfect for logging fuel gauge.
    I still...
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