mark_r33
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« Reply #120 on: July 09, 2013, 11:47:58 AM »
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Many thanks Fredrik! I think you are right, as when I compare it to dream3R's file his is a similar profile but moved up, a lot!
Fair enough on the non tuned plod cars, it was just the memory of the pursuit car going down the dual carriage way that made me think my friends one had been de-tuned. His is silent, but the pursuit car sounded awesome, as though it was running twice his boost!
I shall check it out regarding the top speed thing, it seems strange as it runs well upto that, then just slows right down around 140 - 145. Other than its recent MAF error it hasn't complained of a thing, and has always been well looked after. I shall have a check over it though, thanks for the info.
I am from York, where abouts on these sunny isles are you?
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dream3R
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« Reply #121 on: July 09, 2013, 11:49:23 AM »
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Northumberland mate, no too far from you.
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krazydbiker
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« Reply #122 on: July 09, 2013, 12:00:23 PM »
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The Volvo's I've tuned (from a top speed perspective) have played some tricks on me. Speed limiter is 8 bit unsigned, i.e. FF equals 255 which corresponds to 255 km/h. For some strange reason, FF does limit the car (or at least in my cases) to just 255 km/h instead of "removing" the top speed limiter as such. I have not yet found any way aorund this, but setting all speed limiters (there are a few different ones in each file) makes the car stop accelerating at these speeds although I'm no way near rpm limiter and there is still a lot of power left in the engine.
Have a look at adress "27EE2" (6 columns, 16 rows). I don't have WinOLS in front of me, just looking in a HEX-editor so I might be mistaken but it looks like what you are looking for (if you are working on the file called "Wills Original File").
hmm, indeed 27EE2 is what i got also for LDRXN, but as far as the speed limiter, im going to have a look at that right now, why would this computer be limited to such a value. fredrik, im coming up with speed limiter as a 16bit value? give me a few minute ill update this post with its location if i find it in wills file |
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« Last Edit: July 09, 2013, 12:03:04 PM by krazydbiker »
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fredrik_a
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« Reply #123 on: July 09, 2013, 12:18:37 PM »
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fredrik, im coming up with speed limiter as a 16bit value? My memory might play tricks on me, or perhaps I have this mixed up with the older ME7 in Volvo... I'm not at home so I have no files available to look in, but I might remember incorrectly. Never the less, pushing beyond 255 km/h has been difficult for some reason... |
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krazydbiker
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« Reply #124 on: July 09, 2013, 12:34:01 PM »
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i may be totally off but vmax factor is 0.007813 , which would leave 255 at like 7F80? for hex, FFFF is 512? i am having trouble finding it, i do know that motronic 4.4 is 8 bit vmax?
would be interesting to know for sure though, the more maps defined the better
im not sure, im looking at old a2l's audi files, vw files trying to make find this thing
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« Last Edit: July 09, 2013, 12:38:25 PM by krazydbiker »
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dream3R
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« Reply #125 on: July 09, 2013, 12:36:31 PM »
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i may be totally off but vmax factor is 0.007813 , which would leave 255 at like 7F80? for hex, FFFF is 512? i am having trouble finding it, i do know that motronic 4.4 is 8 bit vmax?
would be interesting to know for sure though, the more maps defined the better
I've got it at 23B28 250kph, might be wrong, totally wrong tho |
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krazydbiker
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« Reply #126 on: July 09, 2013, 12:45:10 PM »
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not sure, how did you end up finding it, the location that im finding has a value of 6a40, which seems odd to me to begin with, i dont have to worry about bricking the computer, so i suppose i could put a low number and see what happens if we really need it lol, a crude way of finding the right one, but lets see, in the audi files vmax is more then one bit also its 5 16bit values
crude testing i guess will have to be done, im at a loss at the moment as to its location, i have a feeling volvo uses them different then other companies, i think there are 3 level's for vmax, and depending on which one the car is configured to it points to that one, atleast that how the older me7 is set up, volvo hasnt changed how they worked on later years much, this is like trying to find NLLM for my map
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« Last Edit: July 09, 2013, 01:11:01 PM by krazydbiker »
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fredrik_a
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« Reply #127 on: July 09, 2013, 03:13:00 PM »
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I did remember wrong (mixed up all ECU types). In the older ME7's for Volvo, there are three limiters, VMAXCEMH, VMAXCEML, VMAXCEMM, all with factor 0.007813 as stated previously.
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dream3R
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« Reply #128 on: July 09, 2013, 03:21:43 PM »
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Yes you are correct I think we found them earlier they were se to 320kph in my mte file. Needs tested.
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krazydbiker
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« Reply #129 on: July 09, 2013, 03:29:50 PM »
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fredrik, would you possibly know the purpose of FRMLASHU, and FRMLASHO - lambda mean upper and lower limit
FRMLASHO - 0.99
FRMLASHU - 1.05
i was confused by them after posting about leaning out the mixtures for wideband ecu's, philla had pointed me in the right direction of finding the constant for the lambda controller. but what do these do?
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phila_dot
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« Reply #130 on: July 09, 2013, 06:49:07 PM »
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They are upper and lower thresholds for activation of rear O2 sensor oscillation testing.
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fredrik_a
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« Reply #131 on: July 09, 2013, 11:48:45 PM »
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they were se to 320kph in my mte file.
That was optimistic...  |
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krazydbiker
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« Reply #132 on: July 10, 2013, 09:19:09 AM »
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They are upper and lower thresholds for activation of rear O2 sensor oscillation testing.
thanks phila, didnt want to bug you any more lol well, today hopefully ill be testing that vmax, and krkte locations to see if they are correct, so tempted to go to some sort of realtime like other guys have been doing on here, even if i cannot code it to a test mode, flash time would be cut down |
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rufusgti
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« Reply #133 on: July 13, 2013, 09:56:32 PM »
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here you are rufusgti
Thank You!!  Also looking for manual version! |
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mark_r33
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« Reply #134 on: July 17, 2013, 07:25:25 AM »
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Well, today hopefully ill be testing that vmax, and krkte locations to see if they are correct, so tempted to go to some sort of realtime like other guys have been doing on here, even if i cannot code it to a test mode, flash time would be cut down
Did you get anywhere with your testing? What do you mean by code it to a test mode? Is this simply so that the ecu doesn't throw a wobbler when you start willy nilly changing bytes? Turn off checksum type stuff? Sounds very interesting! |
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