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Author Topic: Nefmoto community project: Stage1 1.8t ME7.5 A4 (8E0909518AK-0003)  (Read 297592 times)
nyet
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« Reply #720 on: November 18, 2020, 09:51:11 AM »

I checked and verified that the tylerW dxf had KFLBTS located at the same 198EF location that you have identified.

Pretty sure this is wrong.
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Please do not ask me for tunes. I'm here to help people make their own.

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grayjay
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« Reply #721 on: November 18, 2020, 02:31:51 PM »

I found another prior thread that also discussed the location of KFLBTS within the
8E0909518AK_368072_NEF_STG_1v7.xdf

http://nefariousmotorsports.com/forum/index.php?topic=12093.0

I also checked about half dozen other (non 518AK) xdf and .bins, all of them have KFLBTS defined as a 16x12 table with axis of RPM x Relative Load. What I am seeing in the 8E0909518AK_368072_NEF_STG_1v7.xdf is that KFLBTS is defined as only a 16x8 table and the 8 values shown for relative load range from 0 to 5.25 instead of 12 to 140 in the "tylerW.xdf" at http://nefariousmotorsports.com/forum/index.php?topic=15799.0 .
 The RPM axis and the table LAMBDA values are identical for both 8E0909518AK_368072_NEF_STG_1v7.xdf and the tylerW.xdf however since the relative load axis is only defined as 8 rows instead of 12 rows, the LAMDA values for the last 4 rows (corresponding to relative loads of 120 to 140) are missing when KFLBTS is viewed using the 8E0909518AK_368072_NEF_STG_1v7.xdf definition.

I am not knowledgeable enough to weigh in on correctness of the odd/even starting location for the table but it appears that both xdf use the same 0x198EF starting location so that is not in question, it is just that 8E0909518AK_368072_NEF_STG_1v7.xdf  uses a different (incorrect?) reference for the Relative Load axis?

PS- my prior post incorrectly typed .bin when I meant .xdf in several places, and I had also typo'ed xdf as dxf in several places. Stupid nooby errors that I've now revised and fixed on my original post.
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nyet
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« Reply #722 on: November 18, 2020, 02:38:09 PM »

In general, again, all tables (except for 8 bit 1x1 values) should be 16 bit aligned.

Any odd numbered offset is suspect and should be double checked via disassembling code.
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
Dominik89
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« Reply #723 on: January 21, 2021, 04:23:51 PM »

Can i use this map for a A4 B7 1.8t BFB ?

ECU: 8e0909518AQ
HW: 0261208524
SW: 1037372505
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antoffka666
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« Reply #724 on: February 09, 2021, 04:41:09 AM »

Hey ! I'm trying to adjust A4 for new injectors BOSCH (0280156023), but the value that I found does not work ( KRKTE  0x1F81C ), you can check me if I have determined correctly adress KRKTE.
8E0909518AK 0261208230 368072 .
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Auriaka
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« Reply #725 on: February 09, 2021, 05:42:36 PM »

Hey ! I'm trying to adjust A4 for new injectors BOSCH (0280156023), but the value that I found does not work ( KRKTE  0x1F81C ), you can check me if I have determined correctly adress KRKTE.
8E0909518AK 0261208230 368072 .



Try 1F82A for 072 software..
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antoffka666
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« Reply #726 on: February 09, 2021, 10:00:31 PM »


Try 1F82A for 072 software..

You are absolutely right ! 0x1F82A correct value . Correction value in 32 group returned to normal ! Thanks!
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DIPZIT
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« Reply #727 on: March 08, 2021, 01:31:29 PM »

This thread is for those who are looking to learn how to tune their own *stock* 1.8t engine. All modifications to the software are tested and worked out on stock hardware.

This is a community project; I started this thread to show a progression through the self-tuning process, helped along by the more experienced tuners on nefmoto. This will show my path in learing the basics (still learning everyday) as well as some of the obstacles you will be up against with the 1.8t.

The original (stock) .bin file and tunerpro definition file we are discussing are found below. The *latest* tuned file is also below. Please note that this tuned file for 94 octane gas, which may not be available depending on your location. If you use lesser octane fuel you will need to make changes to the fueling and timing maps. Any improvements or versions for different fuel etc are welcome.
 
Happy hunting


I tested to flash this to my AWT 1.8tq ME 7.5 ecu and now my ecu is dead.. what did i do wrong?
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grayjay
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« Reply #728 on: March 09, 2021, 11:16:35 AM »


I tested to flash this to my AWT 1.8tq ME 7.5 ecu and now my ecu is dead.. what did i do wrong?

The .bin developed in this thread is only directly cross-flashable onto ECU hardware: 8E0909518AF, 8E0909518AK, & 8E0909518BC as found in 2002.5-2005 Audi A4 1.8t with wideband 02 sensor. If your 1.8t ECU has a different ECU hardware it cannot be flashed directly, you will need to study the overall tuning approach and perform tuning of your ECUs equivalent maps.
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B5Quattrolife
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« Reply #729 on: March 09, 2021, 05:06:31 PM »

Pretty sure this is wrong.

pretty sure it's not
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nyet
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« Reply #730 on: March 09, 2021, 05:16:14 PM »

pretty sure it's not

No maps start on an odd boundary.
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
B5Quattrolife
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« Reply #731 on: March 09, 2021, 05:25:28 PM »

No maps start on an odd boundary.

never looked at it that way, must be that lots of people have found the same wrong answer as me somehow and it works as intended when modified.

learn something new everyday
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nyet
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« Reply #732 on: March 09, 2021, 05:54:05 PM »

never looked at it that way, must be that lots of people have found the same wrong answer as me somehow and it works as intended when modified.

learn something new everyday

It only works because it is a 8-bit map, and the cells being shifted by one doesn't seem to affect it. There is something awry with all of these xdfs.

Been meaning to look it up in the ASM to make sure but haven't had the chance to.
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
Auriaka
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« Reply #733 on: March 09, 2021, 06:40:49 PM »

Here is 072 software Bin ... Map starts at 0f....  This is for the KFLBTS Table it IS correct and works as I have tuned one car with this file.
KFLBTS at 0x198EF

TylerW is dead on with this. Its not like any other bins in existence have weird peculiarities (2 step on 307 software b6 file)



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nyet
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« Reply #734 on: March 09, 2021, 09:08:30 PM »

Yep, just checked, there are a lot of files with unaligned 8bit maps

apologies
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
ME7Sum checksum checker/corrrector for ME7.x

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience.
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