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Author Topic: The Volvo ME7 thread:  (Read 1759290 times)
prometey1982
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« Reply #1305 on: November 30, 2020, 03:59:41 AM »

I began development of free logger for Volvo. https://github.com/prometey1982/VolvoLogger
Work is still in progress but I was able to read ECU memory of my car with 500000 bit CAN network.
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prometey1982
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« Reply #1306 on: November 30, 2020, 10:12:06 AM »

Also I have to create 5120 hack for Volvo ME7. My current hardware config doesn't allow me to accelate 0-100km/h less than 6 secs with 1.5 bar boost.
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Rolle1974
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« Reply #1307 on: November 30, 2020, 03:37:19 PM »

Try to find NMAXDV (engine speed limit at fault of the vehicle speed signal) on this Volvo S80 2.4t 2001. Anyone who can point out the adress for me?
Want it to go down to idle (800 rpm) in the event of a speed signal failure.
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prometey1982
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« Reply #1308 on: December 01, 2020, 08:52:53 AM »

Try to find NMAXDV (engine speed limit at fault of the vehicle speed signal) on this Volvo S80 2.4t 2001. Anyone who can point out the adress for me?
Want it to go down to idle (800 rpm) in the event of a speed signal failure.
It's not easily to found this map. Why do you need it?
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Opti
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« Reply #1309 on: December 01, 2020, 10:49:33 AM »

It's not easily to found this map. Why do you need it?

I'm guessing he wants to convert a normal car to a Class A Tractor (it's a swedish thing Smiley) that has a maximum allowed speed of 30 km/h.
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prometey1982
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« Reply #1310 on: December 01, 2020, 11:44:04 AM »

Ahaha  Cheesy
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Rolle1974
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« Reply #1311 on: December 01, 2020, 06:21:40 PM »

I'm guessing he wants to convert a normal car to a Class A Tractor (it's a swedish thing Smiley) that has a maximum allowed speed of 30 km/h.

Exactly, you nailed it
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prometey1982
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« Reply #1312 on: December 02, 2020, 04:07:20 AM »

Exactly, you nailed it
Possible addr 0x11946, 16 bit, multiplier 0.25
Code in your file very different to others which I saw.
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Rolle1974
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« Reply #1313 on: December 02, 2020, 04:30:30 AM »

Possible addr 0x11946, 16 bit, multiplier 0.25
Code in your file very different to others which I saw.

Thx, Will try it
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vwdenisvw
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« Reply #1314 on: December 02, 2020, 10:20:13 PM »

The emission strategy requires the engine to stay at Lambda 1.0 whenever possible.

Thatswhy LAMFA is always 1.0.

KFLBTS is used to protect hardware, but with factors and conditions.
IAT of course, knock, etc. EGT is bad modelled at the early Modells.


Engines die because stupid morons change stuff like exhaust and intercooler and expect ME7 to handle that under any condition. Putting minimum or no money on maintenance or known critical parts along with using cheapest fuel available does the rest.

If engine still not blasted, people with absolutely no knowledge of basic electronics "share" files in the internet and use chinese clones to be "Chiptuners" in their hood Wink

So please don't speculate too much Cheesy

I want to say one more thing. When I assembled my motor from spare parts from a junk yard, me7 was able to adapt and working with software from a different engine model. And there is nothing wrong with chinese clones ...
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Volvo S60 2001 2.0T=>2.3T5=>2.0T=>d5t5...crash
Volvo S60 2003 2.4
Volvo S60 2002 2.4T AWD 630cc
vwdenisvw
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« Reply #1315 on: December 02, 2020, 10:22:54 PM »

I began development of free logger for Volvo. https://github.com/prometey1982/VolvoLogger
Work is still in progress but I was able to read ECU memory of my car with 500000 bit CAN network.

This is great news!)
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Volvo S60 2001 2.0T=>2.3T5=>2.0T=>d5t5...crash
Volvo S60 2003 2.4
Volvo S60 2002 2.4T AWD 630cc
daniel2345
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« Reply #1316 on: December 02, 2020, 11:17:32 PM »

I want to say one more thing. When I assembled my motor from spare parts from a junk yard, me7 was able to adapt and working with software from a different engine model. And there is nothing wrong with chinese clones ...


That is bullshit! ME7 and all stock engine control units can not "adapt" to other parts.
It is calibrated to exactly one set of parts.
Different bore, stroke, injectors, exhaust, intake, air cooling is not intended to be adapted.
It has Lambda Adaption to work when sensors get old or minor failures of stock parts.


Because it starts and runs a few days it doesn't mean it will always.


Please read at least something how engine control works before releasing such statements which are fundamentaly wrong.


Have you ever build hardware, tools or software over years of your life and then seeing Chinese sellers getting your reward? Stealing of IP or Work is wrong, as your whole attitude on these things is. Good luck with scrapeyard junk, Chinese tools and lurked Infos on addresses and software :/
« Last Edit: December 02, 2020, 11:21:56 PM by daniel2345 » Logged
vwdenisvw
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« Reply #1317 on: December 03, 2020, 02:03:29 AM »


That is bullshit! ME7 and all stock engine control units can not "adapt" to other parts.
It is calibrated to exactly one set of parts.
Different bore, stroke, injectors, exhaust, intake, air cooling is not intended to be adapted.
It has Lambda Adaption to work when sensors get old or minor failures of stock parts.


Because it starts and runs a few days it doesn't mean it will always.


Please read at least something how engine control works before releasing such statements which are fundamentaly wrong.


Have you ever build hardware, tools or software over years of your life and then seeing Chinese sellers getting your reward? Stealing of IP or Work is wrong, as your whole attitude on these things is. Good luck with scrapeyard junk, Chinese tools and lurked Infos on addresses and software :/

2016 - b5204t5, td04l-12t, injectors *831, ecm program - b5204t5 (boost 0.55) - 0-100(8,8)--1/4(16,4).
2017 - b5234t3, td04hl-16t, injectors *831, ecm program - b5204t5 (boost 0.55).
2018 - b5234t3, td04hl-16t, injectors *830, ecm program - b5204t5 (boost 0.55) - 0-100(8,3)--1/4(15,7)--100-150(8,7)--100-200(24,2).
2019 - b5234t3, td04hl-16t, injectors *830, ecm program - b5234t3 (boost 0.85) - 0-100(7,3)--1/4(14,85)--100-150(6,6)--100-200(19,3).

Just not a "few days", but about 1 year.

I am grateful to those people on this forum who spent their time, found, disassembled and posted information in the public domain. I came here to gather information, didn’t say that I understand everything. I just expressed my opinion, but in response I received: no money - do not do it. Didn't expect such a reaction.
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Volvo S60 2001 2.0T=>2.3T5=>2.0T=>d5t5...crash
Volvo S60 2003 2.4
Volvo S60 2002 2.4T AWD 630cc
P80R
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« Reply #1318 on: December 06, 2020, 04:16:42 PM »

Well looks like i've gone and done it...Bricked my ECU. Is it possible to hire one of you young lads to see if its fixable as i was born way before the computer age and know just enough to brick my ecu.
I've read this entire thread and many others to get knowledge and have tried many things from what i've read to fix it but no such luck.
i'm getting IMMO code 321 Initiation signal from ecu missing and ECU code 720A immo signal or something don't remember right off hand again an age thing Smiley
so your gonna ask what i've done so here it is
1-built a bench reading writing unit
2-read all ecu's so i would have orginal files
3-tried to install 2000R ecu data on a 2000xc..didn't work of course
4-write orginal back and now these codes and no start
I know what your thinking but the xc has all the bits and pieces from my R donor car plus extras and i just wanted a starting point...
any help is greatly appreciated thanks in advance....also want to thank all those who have contributed to this thread and this website in the quest for tuning possibilties and perfection.
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thedrill
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« Reply #1319 on: December 06, 2020, 05:40:46 PM »

Did you save the immo data with the 95040 tool on the forum?
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