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Author Topic: ME7.6.2 - CWMDAPP  (Read 1215 times)
Renegade187
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« on: September 22, 2023, 06:37:31 AM »

Hi All.

I am trying to adjust the KFLDRAPP & KFLDIMX tables for my turbo (GT28).  I have switched CWMDAPP to 8 (00001000) from the ORI 3 (00000011).  This switched off the O2 sensor.
I am trying to follow this method of tuning however there are still things that are not clear for me.
http://nefariousmotorsports.com/forum/index.php?topic=517.msg4013#msg4013

My assumptions (forgive me if this is incorrect) and questions
1) CWMDAPP enables table KLFDRAPP in order to use that table to find the correct WGDC for the boost profile that you want to run
2) Was CWMDAPP supposed to switch off the O2 sensor?
3) Does anyone have a key for what each digit stands for (note that changing from 3 to 8 switches the last 2 bits to 00, maybe 1 of then should be switched? - I dont know)
2) Once KFLDRL & KFLDIMX is tuned, do you then revert table KFLDRAPP to ori and switch CWMDAPP back to 3 (00000011)?

I have included the BIN file below.  Any other pointers on the file will be appreciated. Thanks in advance for your help


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fragolas
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« Reply #1 on: September 22, 2023, 06:59:56 AM »

There is a bunch of post talking about this on this forum, I have even made one.
Kfldrapp is only used to calibrate, the PID is disabled. Once you have your logs you must turn it off in the codeword .
Check how plgru is created, has this has direct influence on kfldimx. You plgru= plsol - pu, kfldimx is Simple to interpret, if plgru is created from kfplgta ( I don't remember the name right) you have to check my post how to calibrate it.
Again, search the forum, all of this has been discussed before.

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fragolas
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« Reply #2 on: September 22, 2023, 07:09:24 AM »

Also if you read the fr properly, you would understand that each codeword (8 bit) contains 8 bits in binary, each byte in enables or disables a function. For instance , cwdapp decimal 8 is 00001000, the bit in 4 position enables kfldrapp.


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Renegade187
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« Reply #3 on: September 22, 2023, 07:09:54 AM »

Thank you very much for the reply

To confirm: are you saying that this post is not the end of all Boost PID tuning?
http://nefariousmotorsports.com/forum/index.php?topic=517.msg4013#msg4013

Also, was CWMDAPP supposed to switch off the O2 sensor?

I will certainly look through what you posted.
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Renegade187
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« Reply #4 on: September 22, 2023, 07:10:57 AM »

Also if you read the fr properly, you would understand that each codeword (8 bit) contains 8 bits in binary, each byte in enables or disables a function. For instance , cwdapp decimal 8 is 00001000, the bit in 4 position enables kfldrapp.


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Yes, I did find the definitions
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fragolas
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« Reply #5 on: September 22, 2023, 07:13:24 AM »

Search for pre Control boost or something, post made by prj.
For my post, you can just search in my profile

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