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Author Topic: Nefmoto community project: Stage1 1.8t ME7.5 A4 (8E0909518AK-0003)  (Read 281571 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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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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