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ISCV control system disassembly

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Old Jun 2, 2009 | 07:52 AM
  #46  
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Originally Posted by todd6027
+2 please
+3. I am having some idling issues right now that are very annoying.
Old Jun 5, 2009 | 09:25 AM
  #47  
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can someone get the tables for another 8 rom. I am having idle issues with converting an '05 evo to 96530006 from 96940011. I would like to compare values and see if they are different.

Thanks!
Old Jun 5, 2009 | 09:29 AM
  #48  
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I am just doing a quick compare between 96530006 and 88590015 and there are a LOT of differences. I think i might change all the 96530006 values to the 88590015 values and see if it fixes the idle issues.
Old Jun 5, 2009 | 09:57 AM
  #49  
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Originally Posted by MR Turco
I am just doing a quick compare between 96530006 and 88590015 and there are a LOT of differences. I think i might change all the 96530006 values to the 88590015 values and see if it fixes the idle issues.
I wasn't certain on a couple of the tables, so proceed with caution, based on my notes. Most of the tables are correct, but a couple seemed wrong, so I think they either weren't there or I have the wrong address.
Old Jun 5, 2009 | 10:11 AM
  #50  
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Originally Posted by l2r99gst
I wasn't certain on a couple of the tables, so proceed with caution, based on my notes. Most of the tables are correct, but a couple seemed wrong, so I think they either weren't there or I have the wrong address.
Thanks for the note.

I noticed idle trim and demand below 500rpm recovery are both lower on the stock '05 rom. Both would - if the names are right - would contribute to what issues i am seeing.
Old Jun 5, 2009 | 10:35 AM
  #51  
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What addresses are you using for the 96940011 ROM? Are you just using the addresses I posted for 96530006? Or do you mean 96530006 as the 'stock 05 ROM' and you are comparing it to 88590015?

I don't think anyone posted addresses for 96940011.

Originally Posted by MR Turco
I noticed idle trim and demand below 500rpm recovery are both lower on the stock '05 rom. Both would - if the names are right - would contribute to what issues i am seeing.
Right...I would start with one or two tables like that, rather than copying everything over, since I wasn't sure on a few of them.

Last edited by l2r99gst; Jun 5, 2009 at 10:39 AM.
Old Jun 5, 2009 | 10:46 AM
  #52  
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Originally Posted by l2r99gst
What addresses are you using for the 96940011 ROM? Are you just using the addresses I posted for 96530006? Or do you mean 96530006 as the 'stock 05 ROM' and you are comparing it to 88590015?

I don't think anyone posted addresses for 96940011.
oh sorry, yeah i meant 96530006 are lower than 88590015. I still think it would be good to see what the values are on another 8 rom to see if 96530006 is an outlier for whatever reason.
Old Jun 29, 2009 | 10:26 PM
  #53  
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Haven't found more, some routine are totaly different. And i understand nothing about the idle stuff. It will take some month until i can say more.
For 90550001:
--------------------
<table name="ISCV Demand Startup CTS Adder" category="Idle" address="4112" type="2D" level="2" scaling="ISCV_AX2_8">
<table name="Coolant Temp" address="50e6" type="Y Axis" elements="8" scaling="Temp"/>
</table>

<table name="ISCV Demand General CTS Subtractor" category="Idle" address="41d6" type="2D" level="2" scaling="ISCV_AX2_8">
<table name="Coolant Temp" address="50e6" type="Y Axis" elements="8" scaling="Temp"/>
</table>

<table name="Target Idle ISCV Trim Adjust Frequency" category="Idle" address="18c2" type="1D" level="2" scaling="Time"/>

<table name="ISCV Demand Below 500 RPM Idle Recovery Adder" category="Idle" address="1916" type="1D" level="2" scaling="ISCV_AX2_16"/>

<table name="ISCV Demand Target Idle Trim AC off" category="Idle" address="41ae" type="2D" level="2" scaling="ISCV_AX2_8">
<table name="Target Idle Deviation" address="4dc6" type="Y Axis" elements="9" scaling="RPMTarget"/>
</table>

<table name="ISCV Demand Target Idle Trim AC on" category="Idle" address="41be" type="2D" level="2" scaling="ISCV_AX2_8">
<table name="Target Idle Deviation" address="4dc6" type="Y Axis" elements="9" scaling="RPMTarget"/>
</table>
Old Jun 30, 2009 | 06:46 AM
  #54  
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This is all great stuff. Might some of this help with the A/C stall that many of us encounter with big cams????
Old Jun 30, 2009 | 07:13 AM
  #55  
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From: Lattitude 48.38°, Longitude 17.58°, Altitude 146m = Slovakia, for common dude
It seems MUT_08, MUT_0A are somehow connected with all this, either they say something like trend or balance or something like that.
Moreover Periphery0 & 0x10 choses between the two.
mrfred can you have a look?
Old Jul 3, 2009 | 11:32 AM
  #56  
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ttt
Old Jul 6, 2009 | 01:48 PM
  #57  
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Originally Posted by MR Turco
I still think it would be good to see what the values are on another 8 rom to see if 96530006 is an outlier for whatever reason.
Find the addresses for the 94170015 and I will test the heck out of them. My car is modded to the hilt so it is a perfect test mule for odd occurances with mods.
Old Jul 6, 2009 | 02:11 PM
  #58  
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Originally Posted by Appauldd
Find the addresses for the 94170015 and I will test the heck out of them. My car is modded to the hilt so it is a perfect test mule for odd occurances with mods.
if i knew how i would
Old Jul 6, 2009 | 07:41 PM
  #59  
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Originally Posted by MR Turco
I noticed idle trim and demand below 500rpm recovery are both lower on the stock '05 rom. Both would - if the names are right - would contribute to what issues i am seeing.
nope, didn't fix it. It could be the car though, who knows. If someone could find the values for 96940011 and compare them to 96530006 it might reveal something.
Old Jul 6, 2009 | 09:44 PM
  #60  
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Bumpity for more ROM addresses for the new ISCV findings.


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