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Author Topic: TT225 wideband swap, memory locations for certain values (SRY*, CL*)  (Read 1823 times)
bieniekm
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Hoping to wideband swap my AMU (k04, 384cc inj). To minimize cal work, was thinking it makes sense to run BEA ECU (wideband K04+384cc inj, but also has EGT). I don't have the EGT sensor, so I would need to code it out. Also considering this an opportunity to delete SAI.

My intent was to use one of the two the dumps attached, found on this forum (8N0906018CJ base).

Pre-Question:
Does this approach make sense? Am I approaching this in a poor way?
My thought process is that I have a good working NB car right now; I don't want to delete a bunch of stuff and change everything at once, because it'll be harder to track down issues. My goal was to do things a bit at a time for ease of troubleshooting (so first get k04+384 working, then remove EGT, then SAI, etc....)


First question:
Referencing this post: http://nefariousmotorsports.com/forum/index.php?topic=8890.0
I should "only" need to code out the EGT sensor. The XDF files I can find for BEA lack addresses for:
CDATR (0x18196)
CDATS (0x18197)
CATR   (0x192CA)
Addresses in parentheses are from the S4Wiki - are these universal between *.bins? Or do I need to find the locations specific to the BIN I've selected? 8N0906018CJ

Second Question:
In a similar vein, are the readiness threshold values universal as well?
(copy and pasted from forum)
SRYAGR (0x810974) - Threshold for Readiness formation EGR diagnosis (unused)
SRYHS (0x810975) - Threshold for Readiness formation O2 sensor heating diagnosis (ready bit 6)
SRYKAT (0x810976) - Threshold for Readiness formation catalyst diagnosis (ready bit 0)
SRYLS (0x810977) - Threshold for Readiness formation lambda sensor diagnosis (ready bit 5)
SRYSLS (0x810978) - Threshold for Readiness formation SAI diagnosis (ready bit 3)
SRYTES (0x810979) - Threshold for Readiness formation canister purge diagnosis (ready bit 2)

Thank you all for your time, help, advice.
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bieniekm
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« Reply #1 on: March 24, 2021, 07:47:12 AM »

BEA bin files I found
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bieniekm
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« Reply #2 on: March 24, 2021, 07:47:56 AM »

second file, sorry, was having upload issues
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