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Evo anti-lag ECU disassembly

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Old Mar 17, 2008 | 04:16 AM
  #241  
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thanks to all m8s. On my 88840013 the mod xml works fine!!
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Old Mar 17, 2008 | 05:54 AM
  #242  
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Originally Posted by Youngsyr
My tuner friend thinks he's found how to get the ALS working. Hopefully his "fix" will be tested today (within the next 8 hours) and we should have some results tonight (in about 12 hours).
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Old Mar 17, 2008 | 07:39 AM
  #243  
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Thumbs up

Originally Posted by Youngsyr
My tuner friend thinks he's found how to get the ALS working. Hopefully his "fix" will be tested today (within the next 8 hours) and we should have some results tonight (in about 12 hours).
cool keep on going
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Old Mar 17, 2008 | 09:42 AM
  #244  
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ok been out testing all morning,
and this is what I found,
firstly I connected a vacuum gauge between the SAS valve and the vacuum line,
so I could see when the valve opens,
and as expected it opens on lift off throttle when all the parameters are met in the SAS tables,
it opens after the delay time and stays open for 4 seconds even when the air inject times in the large table are all set to zero,
it still injects for 4 seconds,
but the fuel inject table has no effect,
all it does is acts like the dump valve and instead of dumping the boost it injects it into the exhaust manifold,
to get proper antilag the inject time will have to be extended and somehow get the timing to retard and dump fuel also,
looks like this will have to be done in the fuel and timing tables.
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Old Mar 17, 2008 | 09:55 AM
  #245  
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Originally Posted by BarryC
ok been out testing all morning,
and this is what I found,
firstly I connected a vacuum gauge between the SAS valve and the vacuum line,
so I could see when the valve opens,
and as expected it opens on lift off throttle when all the parameters are met in the SAS tables,
it opens after the delay time and stays open for 4 seconds even when the air inject times in the large table are all set to zero,
it still injects for 4 seconds,
but the fuel inject table has no effect,
all it does is acts like the dump valve and instead of dumping the boost it injects it into the exhaust manifold,
to get proper antilag the inject time will have to be extended and somehow get the timing to retard and dump fuel also,
looks like this will have to be done in the fuel and timing tables.
Nice info Barry

Oracle has just posted on the MLR that a mbc could be used to control the SAS valve.

So I guess that would give us the amount of time it opens that we would need.

Then it's just a case of getting the timing and fueling correct ???
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Old Mar 17, 2008 | 10:18 AM
  #246  
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How can you be sure its not injecting fuel when you change the corresponding ALS table?
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Old Mar 17, 2008 | 10:45 AM
  #247  
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Originally Posted by Youngsyr
My tuner friend thinks he's found how to get the ALS working. Hopefully his "fix" will be tested today (within the next 8 hours) and we should have some results tonight (in about 12 hours).
cool
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Old Mar 17, 2008 | 10:57 AM
  #248  
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Originally Posted by nod911
How can you be sure its not injecting fuel when you change the corresponding ALS table?
because I have logged the injector duty cycle and when the SAS is active the injectors are not,
also I have tried every different setting to get this to operate while at a standstill and it never works,
its like its the wrong addresses or this part of the routine is not active and there is another routine for sas,
as none of the parameters had any effect on the SAS operation.
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Old Mar 17, 2008 | 11:21 AM
  #249  
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Originally Posted by JohnBradley
The defs that JCSbanks listed definitely dont jive with the USDM rom. Not that I expected them too, but thats not going to work for us. I guess its time I learned to use IDA...I mean I managed to learn Emange how hard can it be?
I received the first altered map from Oracle1. It appears JB was right about the addresses being right for all the single digit tables (Oracle1 verified as well) so we're almost there for USDM IX's! The ALS Air Injection Time is still incorrect. The only other change was made on High Octane Ignition Map 2 from 0 to 20 load at 4k to 6k RPM:

-10 -10 0
-10 -10 0
-10 -10 0
-10 -10 0
-10 -10 0

I will be testing this flash later today. Just to re-iterate, Oracle1 has gotten his and other setups to work with ALS by just altering these maps without any of the SAS hardware.

Last edited by silex; Mar 17, 2008 at 11:24 AM.
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Old Mar 17, 2008 | 11:48 AM
  #250  
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my ALS evo8 EUDM ,ID 96530006


Last edited by agron25; Mar 18, 2008 at 10:44 AM.
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Old Mar 17, 2008 | 11:52 AM
  #251  
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Originally Posted by silex
I received the first altered map from Oracle1. It appears JB was right about the addresses being right for all the single digit tables (Oracle1 verified as well) so we're almost there for USDM IX's! The ALS Air Injection Time is still incorrect. The only other change was made on High Octane Ignition Map 2 from 0 to 20 load at 4k to 6k RPM:

-10 -10 0
-10 -10 0
-10 -10 0
-10 -10 0
-10 -10 0

I will be testing this flash later today. Just to re-iterate, Oracle1 has gotten his and other setups to work with ALS by just altering these maps without any of the SAS hardware.
Is that not just the odd rumble and pop on changing gear/ let off though?

What I understand to be ALS is direct injection of air into the exhaust manifold. I've heard it on an ECUTEKed JDM IX and it sounds like a rapid fire large calibre gun off, which continues until you come back on the accelerator.
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Old Mar 17, 2008 | 11:54 AM
  #252  
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Originally Posted by Youngsyr
My tuner friend thinks he's found how to get the ALS working. Hopefully his "fix" will be tested today (within the next 8 hours) and we should have some results tonight (in about 12 hours).

Not good news, I'm afraid.

My tuner friend found another table in the JDM IXs with anti-lag working that wasn't in the JDM VIIIs rom id.

He's since fixed it so that it is and tried it on a JDM VIII, with no success. I'll post up the table when he emails it over to me.
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Old Mar 17, 2008 | 11:59 AM
  #253  
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ALS stock EVO IX ,ID 88840016


Last edited by agron25; Mar 18, 2008 at 10:44 AM.
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Old Mar 17, 2008 | 12:01 PM
  #254  
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Originally Posted by Youngsyr
Not good news, I'm afraid.

My tuner friend found another table in the JDM IXs with anti-lag working that wasn't in the JDM VIIIs rom id.

He's since fixed it so that it is and tried it on a JDM VIII, with no success. I'll post up the table when he emails it over to me.
I kinda thought something was missing
anyway find out what this table is, all is not lost yet we might still be able to do this.
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Old Mar 17, 2008 | 12:05 PM
  #255  
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Originally Posted by Youngsyr
Not good news, I'm afraid.

My tuner friend found another table in the JDM IXs with anti-lag working that wasn't in the JDM VIIIs rom id.

He's since fixed it so that it is and tried it on a JDM VIII, with no success. I'll post up the table when he emails it over to me.

essaie cette la pour le timing retard limit l ami
pour voir si ca marche
sur l evo8 FQ300 et evo7 ralliart sa marche
je l ai placer entres ces 2 cases
et je trouve l adresse 188
<table name="Min Temp for Full Boost Control" address="21fe"/>
<table name="Timing Retard Limit"category="Timing"address="173f"type="1D"leve l="1"scaling="uint8"/>

<table name="Boost Enhancement Adv/Ret Map 1 (Anti-lag)" address="4b9f">
<table name="Load" elements="11"/>
<table name="RPM" elements="14"/>
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