2019 Toyota Corolla MB91F060BS
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  1. #1
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    Default 2019 Toyota Corolla MB91F060BS

    Hello DK!

    Can somebody help change 28689kms in 17500kms? This looks like a RAV4 Denso.

    Also, after change, do I need drive car to show new? Or will show on the bench rightaway?


    Thanks in advance!
    A
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    I read with smelecom multiplex. But it doesn't write back correctly... Anyone know if the BCM2 is better to write? After write, it still shows old mileage.

    Or maybe can help calculate dump above..

    Thanks,
    A
    Last edited by angelo44; 21st September, 2019 at 08:15 PM.

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    looks like bad.......................................

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    No, its not a bad read, Most likely its not in the FUjitsu. Maybe in the c66 like another poster said? What got me is that the unit is almost identical with the RAV4... same board #, same components... Spansion S29GL128S MCU... etc...

    Will try to read the c66...



    A

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    Show pictures ecu and inside board

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    Here they are... very similar to the 18 RAV4...
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    face_plate.jpg

    maybe it's a c66
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    The data is in eeprom and SPANSION processor, doing the eeprom only will not work.

    The Spansion algo is like a Fujitsu, but with a different constant to get the CS.

    https://www.digital-kaos.co.uk/forum...-Camry-Mileage
    Last edited by clusters; 23rd September, 2019 at 03:16 AM.
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    Quote Originally Posted by clusters View Post
    The data is in eeprom and SPANSION processor, doing the eeprom only will not work.

    The Spansion algo is like a Fujitsu, but with a different constant to get the CS.

    https://www.digital-kaos.co.uk/forum...-Camry-Mileage
    This not Camry. This Corolla with Fujitsu. Look at the picture.

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    I think mileage in small c66 msop.

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    Most likely it is stored in the c66.... but I may not find out since the hot air gun decided to give it a lift into the abyss...... So now looking for a new unit.....

    To be continued........

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    "I think" "Most likely"

    If it has a Spansion processor it controls the display and stores the mileage. But go ahead and experiment.

    As I understand it from research, 2019 Corolla is the same setup as the 2018 Camry.
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    I just confirmed... it is stored in the c66. I tried replacing the lost eeprom and I get diff #s with diff dumps.

    Like I said above, this is very similar to a RAV4, not Camry... All parts are identical to 18-19 RAV4.

    Now if I can just figure out the algo...............

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    Post a file and it can be corrected.

    I guess what I read is wrong.
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    Algorithm is Denso
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