SB_GLI
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« on: October 27, 2016, 12:08:55 PM »
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Does anyone have the memory address for uushk_w in 4Z7907551R so I can log my wideband with full resolution through the ecu?
I'd post the ori bin, but it's a very common file and I don't want to unnecessarily take up server space.
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corradovolksb
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Posts: 112
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« Reply #1 on: October 27, 2016, 02:04:55 PM »
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If I remember correctly your car uses wideband o2 sensors so logging your front o2s and requested and current AFR will be an accurate wideband reading.
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2000 Nogaro blue S4 Stage 2. VAG for life.
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vwaudiguy
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« Reply #2 on: October 27, 2016, 02:09:29 PM »
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.
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« Last Edit: October 27, 2016, 02:16:04 PM by vwaudiguy »
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"If you have a chinese turbo, that you are worried is going to blow up when you floor it, then LOL."
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armageddon
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« Reply #3 on: October 27, 2016, 03:18:02 PM »
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SB_GLI
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« Reply #4 on: October 27, 2016, 03:30:54 PM »
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If I remember correctly your car uses wideband o2 sensors so logging your front o2s and requested and current AFR will be an accurate wideband reading.
nope. narrowband
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SB_GLI
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« Reply #5 on: October 27, 2016, 03:31:30 PM »
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link to how to install nefmoto? thanks
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SB_GLI
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« Reply #6 on: October 27, 2016, 03:32:51 PM »
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found my answer
/UMP, {}, uushk2_w, {ADC-Spannung Lambdasonde hinter Katalysator Bank2 (Word)}, $380B26, 514, 338, spg_uw_q0p00488, 3, $FFFF, K;
/UMP, {}, uushk_w, {ADC-Spannung Lambdasonde hinter Katalysator (Word)}, $380B28, 514, 338, spg_uw_q0p00488, 3, $FFFF, K;
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nyet
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« Reply #7 on: October 27, 2016, 03:34:43 PM »
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I'm confused, if you are using the ECU, you have a wideband, if you aren't, how is the location valid?
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SB_GLI
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« Reply #8 on: October 27, 2016, 03:42:57 PM »
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nyet, 551R is a narrowband ecu. I have an innovate lc-2 that I am attempting to log by running the signal through the rear o2 sensor (rear o2's coded out)
You can't just log the normal o2 voltage variables (ushk/2, 8 bit) as they are capped at ~1.3volts. I need full 0-5 voltage resolution to log my wideband, and uushk/2_w (16 bit) will give me that resolution... at least that's what I think based on other examples.
Will report back.
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« Last Edit: October 27, 2016, 05:26:25 PM by SB_GLI »
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SB_GLI
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« Reply #9 on: October 27, 2016, 06:00:05 PM »
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I can now log a 0-5v signal through uushk_w, instead of ushk.
ushk gave only a 0-1.3v resolution and required scaling the output of the lm-2, resulting in inconsistent samples. It was good enough to let you know if you were rich or lean, but not a very good indicator of actual lambda.
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nyet
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« Reply #10 on: October 28, 2016, 01:54:35 AM »
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ah i understand. I thought the output impedance wasn't low enough to drive those narrow band inputs?
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armageddon
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« Reply #11 on: October 28, 2016, 04:50:56 AM »
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link to how to install nefmoto? thanks no, but if you download the folder there is your ecu file with what you need I see you figured that out
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SB_GLI
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« Reply #12 on: October 28, 2016, 05:09:10 AM »
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no, but if you download the folder there is your ecu file with what you need I see you figured that out geez, I skimmed over that way too fast Thanks for the link.
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prj
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« Reply #13 on: October 28, 2016, 08:15:20 AM »
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For the one millionth time. THERE IS NO 2.7TT WITH WIDEBAND.
Thanks.
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SB_GLI
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« Reply #14 on: October 28, 2016, 08:21:55 AM »
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For the one millionth time. THERE IS NO 2.7TT WITH WIDEBAND.
1,000,000 + 1.
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