Mazda 3 synchro ECU
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    Default Mazda 3 synchro ECU

    Hello
    Maybe someone knows how to fix the Mazda 3 ecu eeprom


    I have loaded another eprom, managed to finish and the car has ignited but it has versions of the version


    and I would have to repair the original file
    Attached Files Attached Files

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    ..........
    Last edited by kiszka; 24th December, 2018 at 07:52 AM.

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    maximumkey (7th January, 2022)

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    Default

    I have a similar issue with a Mazda 3, I have replaced the engine ECU with a secondhand one
    I have coded it to the vehicle and it runs. But I have a DTC of P1603.
    If I post both ecu and dash dumps here could someone have a look for me?

    Thanks in advance
    Mark

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    ..........
    Last edited by kiszka; 24th December, 2018 at 07:53 AM.

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    Hello
    I send you 2 sets of files


    1 mazda 3 error is the original
    2 mazda 3 ok - this only ignites the error of the version


    See if this is up to grab?
    Attached Files Attached Files

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    kiszka (7th February, 2018), maximumkey (7th January, 2022), trapeiros (28th January, 2020)

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    Default

    ..........
    Last edited by kiszka; 24th December, 2018 at 07:53 AM.

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    Default

    Thanks
    only the key worked again and I added ok

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    Default

    Hi.Here's another option.
    Password write in PM
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    Last edited by mavrVV; 7th February, 2018 at 09:25 PM.

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    Default

    Thanks for your offer to help, The vehicle came to me as a non start, ECU dead (no comms) supplied a second ECU and aligned the PATS system.

    Vehicle starts but has the MIL on and is in limp home mode. P1603-68 present.

    I can not read the 95160 eprom in the old ECU (I think that is half the problem with the old unit), I can get a read from the replacement unit.

    I have opened up the dash panel looking for the 9s12 MCU that everybody speaks of but my dash is different, could you have a look at the photos below and give me a pointer as to what chip you need a read of.
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    Default

    ..........
    Last edited by kiszka; 24th December, 2018 at 07:53 AM.

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    Thanks,

    I don't understand your reply.

    >>> search for the eeprom, the sea next to the display
    first give eeprom dump ecu, here <<<

    I will grab a dump of the engine ECU and upload it here.

    I have looked on Engima and it says my dash will have a 93C56 eprom which it does have, is that the correct one you need a dump of ?

    Regards

    Mark

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    Default

    ..........
    Last edited by kiszka; 24th December, 2018 at 07:54 AM.

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    Default

    Sorry, I did not understand what the "sea" was, I will grab it now and post

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    Default

    Please find files attached.

    Regards

    Mark
    Attached Files Attached Files

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    Default

    ..........
    Last edited by kiszka; 24th December, 2018 at 07:54 AM.

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