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Looking for more maps, 80700010 Def

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Old Jun 13, 2008, 10:11 PM   #16
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yeah, its interpolated between the two hi's and two lo's...

not sure how/why...

^4399 is what i said above :P
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Old Jun 13, 2008, 10:21 PM   #17
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390b is the other one Low Octane Fuel Map 2
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Old Jun 13, 2008, 10:26 PM   #18
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Now you can see why I have had so much trouble with the car running on maps that have not been found yet! :-)

Just to be sure which map is which, I will try to force zero octane tomorrow and see if it responds to the maps.

Not sure about the interpolating between the High Octane 1 and 2. The car directly uses High Octane 1 (as I have now labelled them) and never uses the second maps. I have no idea why they would put identical tunes into both maps either. Weird thing to do. Maybe they intended two different tuning maps for different areas of the world, and then a simple bit change to choose which map to use. Same as most aftermarket systems do.

Now to try and find the fuel coolant correction maps next! Another big task I think.
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Old Jun 13, 2008, 10:34 PM   #19
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Quote:
Originally Posted by tephra View Post
yeah, its interpolated between the two hi's and two lo's...

not sure how/why...

^4399 is what i said above :P

hahaha, smart-***! ;-)

I found it but didnt see your posts because I hadnt refreshed the thread inbetween running ecuflash and searching the hex editor.

Either way, at least 4 new maps are found to keep us Auto boys happy!

I still want to find the correction maps. I know there are plenty of them out there. Trying to do some searching through the USDM Galant model definitions because they have a map that looks to me like the ignition retard map used during warmup. IMHO the OEM mapping is too aggressive and runs for too long, and finding adjustability for this will do wonders for drivability during warmup. The Galant uses a similar ROM id to the GT-A so I am hoping they use similar addresses. Just flying in the dark here. I know almost nothing about hex.
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Old Jun 14, 2008, 12:25 AM   #20
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dont worry all cars drive like **** when they are cold
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Old Jun 14, 2008, 02:04 AM   #21
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Shouldn't have to be that bad! :-)

The retarded timing is for quicker warmup of the cat converter for emissions requirements. I am pretty confident that they went overboard to ensure compliance. A bit more searching and I am sure I can find it.
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Old Jun 14, 2008, 02:57 AM   #22
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Can you check out a few addresses for me? Found what looks like a bunch of 2D maps or a small 3D map, but not sure exactly what they are. Starting at address 5399
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Old Jun 14, 2008, 05:06 AM   #23
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this thread is getting better and better. I will try some testing with this information, and please disregard my time posting, seeing that I am halfway around the world. I will try to see what can be done.

Quote:
Originally Posted by tephra View Post
have you bumped up your boost cut map?
I have and it still cuts out. Would this have anything to do with the Wastgate control?

This car is a bit different from all the others, but I will keep on trying.

Thanks for all the info and once I get some testing done, I will report back.
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Old Jun 14, 2008, 05:10 AM   #24
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if you log 0xffff6a4c(2byte) that will give you the amount of interpolation between the 2 hi/low ign maps..

mut-table is 0x3212c...
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Old Jun 14, 2008, 05:20 AM   #25
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btw, when you say boost cut, are you referring to the boost limit in the ECU Flash?
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Old Jun 14, 2008, 05:23 AM   #26
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yes...

can you do a log - if your IPW drops to 0 then you know its boost cut ...
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Old Jun 14, 2008, 05:35 AM   #27
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i will try to do a log and send it to you...that's another thing, the values in EvoScan are all off, I am not sure as to why that is happening since that is a different subject.

boost limits are all the way up to 319.

Last edited by mymigi; Jun 14, 2008 at 05:44 AM. Reason: spelling
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Old Jun 16, 2008, 12:50 AM   #28
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Hey Tephra, any chance you can find anything in this ROM that tells the wastegate control to disable below 75% octane? Has this been found in any ROM?

I will be doing some testing tomorrow with the new Low Octane maps to check for certain which is which. Trouble is, when I turn off the knock control it turns off the boost control which is a pain. Until I can find it I am stuck with my dodgy second knock sensor stuck on the rocker cover.
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Old Jun 16, 2008, 01:05 AM   #29
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I can try and look, but it will take a while..

I guess you are the first person to run with knock = off and stock bcs hehe
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Old Jun 16, 2008, 11:10 PM   #30
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OK I did the testing today on the new maps. Are you ready and sitting down for this!

Altogether now there are 8 main load maps. 4x fuel maps and 4x ignition maps. Of the 4 fuel maps there are 2x High Octane and 2x Low Octane, and the same goes for Ignition. What was previous labelled in the distributed definition as Low Octane Maps are actually High Octane Maps. The new maps I found are 2 each of Low Octane Fuel and Low Octane Ignition Maps. Initially I re-labelled the maps to give High Octane 1 and 2, and Low Octane 1 and 2.

Now why are there two of each map? I found the answer today too.

High Octane Fuel Map 1 and High Octane Ignition Map 1 (the original High Octane Maps) are only used for Neutral, 1st and 2nd Gears.

High Octane Fuel Map 2 and High Octane Ignition Map 2 (previously Low Octane Maps) are used for 3rd, 4th, and 5th Gears.

Same exactly goes for the new Low Octane Maps.

This was found from extensive tuning time on my EVO 7 GT-A today. As Tephra correctly pointed out, there is some minor interpolation that occurs between the maps but from testing this is only at part throttle and as more load is applied the interpolation becomes zero. It could be controlled by another undiscovered map. Over anything more than around 90 Load they 100% use the maps as stated above.

I will post a definition shortly for anyone to use.
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