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Author Topic: The Volvo ME7 thread:  (Read 1465474 times)
s60rawr
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« Reply #2850 on: July 04, 2025, 05:47:44 PM »

Qhhj xdf and ols files are defined fully in this thread
Look around
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#1 Nefmoto -Karma Sponge!
s60rawr
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« Reply #2851 on: July 27, 2025, 09:44:11 PM »

Yes, for some reason my first attempts doing this wouldn't work, however this was a unknown condition, used ecu.
I've now dumped my main ecu, it communicated immediately doing it normally.
Fluke perhaps?
Not sure but I changed my approach and it worked, maybe it helps someone, that what's this is all about right?

So I now have my a2l. 50QHHJ, so I can start trying to find a good xdf file.
In the mean time I'll make a start at trying to define some maps.
Thank you for taking the time to respond


the file with the underscores is for 5120
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jcarlson
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« Reply #2852 on: August 06, 2025, 04:46:52 AM »

Hi all,

I'm a veteran with Audi ME7 from 15 years back, but I got myself a fun old project car, P80 V70 MY00 with B5234T3 (240hp, ME7). I've been flashing the ECU on the bench (bootmode or MPPS over CAN from connector), but it's annoying to have to pull the ECU every time for that..
I've read through this whole thread and given the different tools shared here a try with a Super J2534 cable (Mongoose JLR clone, with atmel chip) on Windows 11, here's bit of a summary in case someone else wants to try OBD flashing a P80 ME7 Volvo, or has some input on what to try and what works:
- @Prometey1982 's Volvologger downloaded from a cloud storage works, I can log my ECU successfully (10ERHJ)
- Prometey1982 Volvoflasher shared from cloud storage ("P1 ME9 flashing succesful version") fails with Bad any_cast when specifying baud rate 250000, with 500000 it attempts but of course doesn't connect
- Newest commit from Github (https://github.com/prometey1982/VolvoTools) compiles but doesn't find any flasher adapters - any idea what's wrong, should I try some older commit ID?
- Openmoose_og downloaded from http://www.openmoose.net/blog/?page=Downloads doesn't start at all
- Openmoose Redux (beta 10) finds the J2534 adapters from registry, but only says "DiCE is not connected" although correct adapter is selected and connected
- Openmoose Renatus (beta 7) starts when I put the system date a few years back (otherwise it complains the build is too old), it connects to the Mongoose adapter, connects to the car and gets the ECU ID. Flashing attempt does a lot of CAN bus resetting and relay clicking with the dash flashing but does not proceed from "Connecting to ECU" stage. After giving up the engine starts, but dash was dead. Disconnecting the battery brough the dash back to life.
- The VIN license tied Willett Run Automotive flasher , "FlashSuite_BIN.exe" doesn't seem to work with the Mongoose JLR, it also just complains that DiCE is not connected.
- MPPS (legit licensed version, the last V22.4.3.6) also fails to put the ECU in programming mode in the car, but flashes succesfully on the bench from the connector

So currently I'm thinking there might be two ways forward, finding a way to get Prometey1982's Volvoflasher to work as it's supposedly capable of flashing P80 cars, it would just need to be a version that both properly sets baud rate and finds the adapters, or maybe buying a chinese DiCE clone just for flashing to use the FlashSuite_BIN. It's strange that it does list the adapters but just won't connect.
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BaxtR
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« Reply #2853 on: August 10, 2025, 07:04:32 PM »

Howdy Gents. Trying to figure out how to properly adjust KFNWSE and KFNWSA. Recently acquired some camshafts and need to dial them in as they are much different than factory. New Set up is as follows. TSP700 Camshafts, Built (forged internals) 2.3L B5234T3, ID 1700 XDS, Radium fuel surge tank and full fuel system build.. I can handle the basics just cannot wrap my head around how to tune the VVT maps and i have greatly lost spool with these camshafts due to improper adjustment i believe. I understand a dyno is the proper way to adjust these maps but unfortunately i do not have access to one at the moment. TIA
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Sashka_
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« Reply #2854 on: August 11, 2025, 04:07:25 PM »

-Prometey1982 Volvoflasher .

for mongoose I use this version of flasher
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keichi
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« Reply #2855 on: August 12, 2025, 02:10:31 AM »

Howdy Gents. Trying to figure out how to properly adjust KFNWSE and KFNWSA. Recently acquired some camshafts and need to dial them in as they are much different than factory. New Set up is as follows. TSP700 Camshafts, Built (forged internals) 2.3L B5234T3, ID 1700 XDS, Radium fuel surge tank and full fuel system build.. I can handle the basics just cannot wrap my head around how to tune the VVT maps and i have greatly lost spool with these camshafts due to improper adjustment i believe. I understand a dyno is the proper way to adjust these maps but unfortunately i do not have access to one at the moment. TIA

There was no 2.3 with intake VVT. So there is no KFNWSE in any 2.3 engine ECU.
To properly tune the cams you need dyno.
If you don't have access to the dyno you can try "poor mans dyno" solution" using vehicle speed data (log rpm and vehicle speed with very high frequency) and do pulls on the road and calculate power out of that.
You don't need exact power values, just some reference curve to see if you gain or loose at any rpm when playing with cams. But you need flat, straight road, calm, sunny day without wind, somewhere when you can accelerate on 3rd or on the 4rd gear up to the redline.
So probably easier is to just go to the dyno Smiley
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t6
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« Reply #2856 on: August 15, 2025, 02:45:25 PM »

Question about the fuel pump s60r2004. I want to replace the pump, the fill level at idle is 45%. I recently removed the basket from the pump and cleaned it, which improved performance, as before cleaning I had a maximum of 420-440 kPA. Additionally, a problem has arisen because the pump does not maintain fuel pressure overnight; even after turning off the engine, the pressure drops immediately. There are no leaks, the pump is tight, and fuel does not flow back through it. The fuel pressure regulating valve is probably damaged, I don't think it can be replaced. Here are the original basket numbers 8616703 and Bosch number 0580314032, this is the feed pump number 0580454022, and this is the overflow pump number 0580454023. What is the best thing to install to work well with the pump module? Is there a patent for this valve that leaks when the engine is turned off? Maybe a pump with a higher capacity, the original one probably has 170 l/h.
« Last Edit: August 15, 2025, 02:50:16 PM by t6 » Logged
BaxtR
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« Reply #2857 on: August 16, 2025, 03:58:31 PM »

There was no 2.3 with intake VVT. So there is no KFNWSE in any 2.3 engine ECU.
To properly tune the cams you need dyno.
If you don't have access to the dyno you can try "poor mans dyno" solution" using vehicle speed data (log rpm and vehicle speed with very high frequency) and do pulls on the road and calculate power out of that.
You don't need exact power values, just some reference curve to see if you gain or loose at any rpm when playing with cams. But you need flat, straight road, calm, sunny day without wind, somewhere when you can accelerate on 3rd or on the 4rd gear up to the redline.
So probably easier is to just go to the dyno Smiley

Correct. This is a 2006 S60R with a B5234T3 Block and R head... with Dual vvt hence the question Smiley Access to an AWD dyno is limited here so i will try my luck with street runs for now.
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keichi
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« Reply #2858 on: August 17, 2025, 11:57:11 PM »

Correct. This is a 2006 S60R with a B5234T3 Block and R head... with Dual vvt hence the question Smiley Access to an AWD dyno is limited here so i will try my luck with street runs for now.

Nice Smiley What head gasket did you use? 2.3 paper one or R steel one?
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s90power
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« Reply #2859 on: August 18, 2025, 01:35:59 AM »

ME7 измеряет все в наполнении, а не наддуве. Если у тебя мотор 2.3 литра, то наполнение для той же мощности должно быть выше. К тому же, нужно измерить фактический уровень наддува и желаемый. Отсюда и плясать. А вообще, для 19 турбины нужно поправить карты KFLDRX, KFLDIMX и карты буст контоллера KFLDRQx.
Thanks for all the help, I do need some more help though.
I have been trying to R-convert my 2.5T, When I copy over the KFMIRL and KFMIOP maps I get rough and high idle and many other rough running issues too.
Aiming for 200-200 calculated load, Can anyone help with the tables ?
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keichi
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« Reply #2860 on: August 18, 2025, 02:03:47 AM »

Thanks for all the help, I do need some more help though.
I have been trying to R-convert my 2.5T, When I copy over the KFMIRL and KFMIOP maps I get rough and high idle and many other rough running issues too.
Aiming for 200-200 calculated load, Can anyone help with the tables ?

You'r probably triggering Torque Monitoring error.
You can do 2 things. "Hack" MAF scaling to cheat ECU so it see lower load. Messy, hard to do and will cause even more problems.
Rescale TQ-MON maps. That is a bit tricky. You need to decompile software for this to be 100% sure what and where to modify.
Basically tq-mon maps start at 0x17800h. In your sw. it ends at 0x17A52.
Somewhere in the end of the area there are a few bytes that are the checksum of the whole area. You need to rescale TQ-MON maps (mostly KFMZPxx_UM maps) to match your KFMIRL/OP

Also your approach to the load tune is wrong i guess. Load is not linear function of the boost in the rpm range. When you set LDRXN to flat 195% you will get messy boost curve.
If you can't scale LDRXN properly you can alternatively use DHBN to set boost curve.
 
« Last Edit: August 18, 2025, 02:09:54 AM by keichi » Logged
s90power
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« Reply #2861 on: August 18, 2025, 02:41:17 AM »

You'r probably triggering Torque Monitoring error.
You can do 2 things. "Hack" MAF scaling to cheat ECU so it see lower load. Messy, hard to do and will cause even more problems.
Rescale TQ-MON maps. That is a bit tricky. You need to decompile software for this to be 100% sure what and where to modify.
Basically tq-mon maps start at 0x17800h. In your sw. it ends at 0x17A52.
Somewhere in the end of the area there are a few bytes that are the checksum of the whole area. You need to rescale TQ-MON maps (mostly KFMZPxx_UM maps) to match your KFMIRL/OP

Also your approach to the load tune is wrong i guess. Load is not linear function of the boost in the rpm range. When you set LDRXN to flat 195% you will get messy boost curve.
If you can't scale LDRXN properly you can alternatively use DHBN to set boost curve.
 

LDRXN and the other boost maps should be copied from the original R software.
Why cant I just extrapolate the stock KFMIRL/KFMIOP like I suggested ?
I would have tried if I understood how to calculate the interpolation between the two, Right now it only runs up to 165 load
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keichi
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« Reply #2862 on: August 18, 2025, 03:12:48 AM »

LDRXN and the other boost maps should be copied from the original R software.
Why cant I just extrapolate the stock KFMIRL/KFMIOP like I suggested ?
I would have tried if I understood how to calculate the interpolation between the two, Right now it only runs up to 165 load

If you copy LDRXN from R map you will get similar boost curve as R car if that is what you want?

You can extrapolate KFMIRL/OP to whatever values you want.
You can have 200%, 300% load axis or whatever you imagine Smiley

But you need to make sure you don't trigger TQ-MON and/or adjust it also.

KFMIRL/OP they need to be inverse of each other. That's that simple.
So what ever load value you get from KFMIRL map at any rpm/torque you need to get the same torque from the same load and rpm in KFMIOP map.
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s90power
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« Reply #2863 on: August 18, 2025, 10:37:08 AM »

If you copy LDRXN from R map you will get similar boost curve as R car if that is what you want?

You can extrapolate KFMIRL/OP to whatever values you want.
You can have 200%, 300% load axis or whatever you imagine Smiley

But you need to make sure you don't trigger TQ-MON and/or adjust it also.

KFMIRL/OP they need to be inverse of each other. That's that simple.
So what ever load value you get from KFMIRL map at any rpm/torque you need to get the same torque from the same load and rpm in KFMIOP map.

Yes I just want similar or a little more than an stock R, You can always tweak LDRXN when you get everything else working.
I am also a little scared of tearing the stock rods so maybe a little less boost in the bottom end of the curve would be wise.
It is probably the TQ monitor that has messed with me all along, It never ran very good at all with the R KFMIRL/OP and I also felt that it ran better with around 90% throttle than at WOT.
Here comes the issue, I have tried calculating the stock KFMIRL/OP tables and finding how they are exactly inverse but I cannot get it really right.
Take the stock 2.5T maps, KFMIOP 165.75% load and 3520RPM we have 94.008%, in KFMIRL at the same RPM it is 158.51%
If I take this 165.75 X 0.94.008 i get 157.475% which doesn't really add up, Is there a good way to calculate this ?
I would like to just make a spreadsheet in excel but I don't know how it´s calculated
 
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BaxtR
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« Reply #2864 on: August 18, 2025, 04:32:38 PM »

Nice Smiley What head gasket did you use? 2.3 paper one or R steel one?
R mls.. Its rowdy to say the least...
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