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Author Topic: Hitting max ps_w/rl_w and fueling  (Read 141487 times)
matchew
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« Reply #135 on: December 04, 2012, 11:06:07 PM »

I got a nasty feeling some dyslexia came into play here. 44E/F not 4EE/F :$
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Bische
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« Reply #136 on: December 05, 2012, 12:10:04 PM »

I got a nasty feeling some dyslexia came into play here. 44E/F not 4EE/F :$

I figured, no worries I catched it when the numbers didnt match Smiley Here is what I did:

Change 0x69290 from 0x4D to 0xA6
Change 0x69291 from 0x65 to 0x32

Change 0x6944E from 0x4D to 0xA6
Change 0x6944F from 0x65 to 0x32

That scales pvdk_w down, but it makes the DK control out of whack, the reason is another 1013 division seen here:


Ultimatly this doubles the throttle plate sollwinkel(KFWDKMSN), according to my understanding, it is a bit hard to follow the path from here to wdkba.

Attached a graph of the scaled fpdk_w and the log. Oh, the boost numbers on that graph is scaled x2 in the logger definition, pvdk_w is not.
« Last Edit: December 06, 2012, 02:15:53 AM by Bische » Logged
matchew
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« Reply #137 on: December 05, 2012, 07:37:19 PM »

Yeah I went the wrong way, that is what I get for rushing.

Are you sure you want to continue with this?
« Last Edit: December 05, 2012, 10:11:48 PM by matchew » Logged
Bische
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« Reply #138 on: December 06, 2012, 12:51:08 AM »


Are you sure you want to continue with this?

How do you mean? Yes ofcourse, I want this to be fully functional and there is one division left to hack. I know that last 1013 will solve the DK business because I went around this problem this morning by multiplying the KFWDKMSN axis by 2 and the car drives normal again.

But that is t the correct way to do it since it doesnt take the msndko_w into account, the correct way is to divide the ATM constant. I understand you if you dont feel like digging the last one out.
« Last Edit: December 06, 2012, 12:54:17 AM by Bische » Logged
masterj
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« Reply #139 on: December 06, 2012, 04:35:27 AM »

This is very interesting topic, can't wait for the summary of all the maps and constants needed to change, so we could finally have one universal way to fix this problem
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prj
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« Reply #140 on: December 06, 2012, 06:57:06 AM »

Change 0x6BEB4 from 0x4D to 0xA6
Change 0x6BEB5 from 0x65 to 0x32

This will half the constant.

Let us know how you get on Smiley
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matchew
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« Reply #141 on: December 06, 2012, 08:13:08 AM »

This is very interesting topic, can't wait for the summary of all the maps and constants needed to change, so we could finally have one universal way to fix this problem

Waiting for the end result are you? and then I suppose you will ask over 1000 questions about how to apply it to your specific files and why it has to be done to the nth degree?
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matchew
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« Reply #142 on: December 06, 2012, 08:20:39 AM »

How do you mean? Yes ofcourse, I want this to be fully functional and there is one division left to hack. I know that last 1013 will solve the DK business because I went around this problem this morning by multiplying the KFWDKMSN axis by 2 and the car drives normal again.

But that is t the correct way to do it since it doesnt take the msndko_w into account, the correct way is to divide the ATM constant. I understand you if you dont feel like digging the last one out.

I understand that you think that this is the last location, but from quickly looking through the disassembly of the file there is atleast another 10 locations, thats just from the code that ive looked at.
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Bische
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« Reply #143 on: December 06, 2012, 12:13:10 PM »

Change 0x6BEB4 from 0x4D to 0xA6
Change 0x6BEB5 from 0x65 to 0x32

This will half the constant.

Let us know how you get on Smiley

Thank you for your time prj, I really appriciate it Smiley

Of course I will post the result!

I understand that you think that this is the last location, but from quickly looking through the disassembly of the file there is atleast another 10 locations, thats just from the code that ive looked at.

I meant that was the last ATM division to get the DK control back up working as intended, which is the major malfunction I have had after scaling the pressures. I know and have stated before there is very likely stuff I have overlooked or just not come to think of while tracing the modules, but as far as I am aware, I have only had trouble with this DK control and readiness not setting.

When I started this project I did expect to have alot more trouble than this honestly, Im glad I didnt though. I would never have come this far without you guys help. I feel like we are close to the goal, but if there is something you know that needs to be changed, please let us know Smiley


EDIT: Went through the FR and we have now scaled all ATM constants but one, and that is the one not used with SY_TURBO=1.
« Last Edit: December 06, 2012, 12:23:24 PM by Bische » Logged
masterj
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« Reply #144 on: December 06, 2012, 03:18:56 PM »

Waiting for the end result are you? and then I suppose you will ask over 1000 questions about how to apply it to your specific files and why it has to be done to the nth degree?

Funny. Forum is created for asking questions and giving to others information that you know. If I'll need I'll ask 1 million questions because I'm trying to learn new things here. Also I'm trying my best to share some new information that WASN'T mentioned already. Ok, enough offtopic.
« Last Edit: December 06, 2012, 03:26:48 PM by masterj » Logged

nyet
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« Reply #145 on: December 06, 2012, 03:46:10 PM »

Waiting for the end result are you? and then I suppose you will ask over 1000 questions about how to apply it to your specific files and why it has to be done to the nth degree?

If he doesn't, I will, unless you are willing to maintain the s4wiki tuning page Tongue
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ME7.1 tuning guide (READ FIRST)
ECUx Plot
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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.
matchew
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« Reply #146 on: December 06, 2012, 04:59:39 PM »

If he doesn't, I will, unless you are willing to maintain the s4wiki tuning page Tongue

Funny. Forum is created for asking questions and giving to others information that you know. If I'll need I'll ask 1 million questions because I'm trying to learn new things here. Also I'm trying my best to share some new information that WASN'T mentioned already. Ok, enough offtopic.

 Roll Eyes
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Bische
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« Reply #147 on: December 06, 2012, 11:49:51 PM »

Change 0x6BEB4 from 0x4D to 0xA6
Change 0x6BEB5 from 0x65 to 0x32

This will half the constant.

Let us know how you get on Smiley

This is confirmed, scaled the KFWDKMSN axis back to stock and halfed the ATM constant. Frhodkr_w is now back to sane.

Car runs like a champ again, celebrated with some donuts in the 6" snow we had last night Smiley
« Last Edit: December 06, 2012, 11:52:38 PM by Bische » Logged
prj
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« Reply #148 on: December 07, 2012, 01:35:26 AM »

This is confirmed, scaled the KFWDKMSN axis back to stock and halfed the ATM constant. Frhodkr_w is now back to sane.

Car runs like a champ again, celebrated with some donuts in the 6" snow we had last night Smiley

Good to hear. Let us know if there are any more anomalies.
We have about 15" of snow and it's not stopping nor melting.
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Bische
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« Reply #149 on: December 07, 2012, 05:36:09 AM »

Good to hear. Let us know if there are any more anomalies.
We have about 15" of snow and it's not stopping nor melting.

I will do, going to drive it a few days now and see if the readiness settles. Last I checked it was 40, SAI and Oxygen sensor.

Not far away from where I live there have been some massive snowfall, almost 2' in 24hrs Cheesy
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