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Author Topic: The Volvo ME7 thread:  (Read 936824 times)
thedrill
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« Reply #990 on: December 25, 2017, 10:08:35 AM »

I can clone a H6.2 (0261206272) and a H8.2 (0261206828) ECU on my friends 2001 T5 wagon with no issues, but they are both from 2001... the bin files are different and use seperate xdf,s..but will both files start and run the car fine.
I did this as an experiment and caused no issues.
Happy xmas.
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clubman
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« Reply #991 on: December 27, 2017, 08:11:07 AM »

Hello, thanks for the answer.. I noticed that the xdfs must be different because I found some maps on mine that were not applicable on the ebay ecu I bought(they have samw hw but different sw njmber though).. Thats why I wondered if different hw will work as well.. It is really strange that volvo used so many variants of the software and even hardware for similar model years.. If you have any map packs are you willing to share? Mine is the 1024kb versions..
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thedrill
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« Reply #992 on: December 27, 2017, 11:16:21 AM »

Hi Clubman, As your car does not have a V.W/Audi badge on it you will not find volvo Xdf,s for free..They are like rocking horse manure.
I dont have a matching Xdf for your bin, but can try and find some useful definitions for you using Winols when I have some free time.
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contrast
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« Reply #993 on: December 27, 2017, 01:11:01 PM »

If one is struggling to find maps using the info and resources in this very thread then I think they shouldn’t start adjusting calibration maps just yet. Besides, the only way to be sure especially regarding axes is to disassemble the file.
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clubman
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« Reply #994 on: December 27, 2017, 03:07:22 PM »

contrast is what I have been doing tne last days and I beieve I m doing some progress slowly as the amount of info is huge and the complexity of the maps and how they interact even higher..  Smiley I managed to understand what is going on with the axes, they are shared by multiple maps and located at different spots rather than the start of each map like is happening in most 16bit ones and even defined the axis of LDRXN map on that V70R ols file lying around which had only 0..15 numbers and thats a small win for me.

Thedrill if you find some time and is not a hassle plesse do.

Some questions regarding the car,do you know the stock boost level of B5254T5?? I logged with torque today during a 300km long trip and it was reporting 0.2-0.3bars.. Is it possible?? Maf wasreporting around 146g/s which seems correct for around 180hp which is the advertized power.. What loggers do you use when tuning?

Is there any database of volvo can ids so I can log straight from the canbus using my can sniffer for superfast logging?

Many thanks and please take it easy on me! Still lots to learn..
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contrast
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« Reply #995 on: December 27, 2017, 03:16:42 PM »

Torque app cannot read boost sensor directly on Volvos. The value it displayes is calculated based on other parameters.
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clubman
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« Reply #996 on: December 27, 2017, 04:19:45 PM »

What is the best method? I also have a dice unit with vida software..
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clubman
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« Reply #997 on: December 30, 2017, 06:55:05 AM »

Guys, I was wondering.. If every sw update from volvo on the same hw ecu contains the maps in different locations, then how does the mcu (main chip/processor) knows where to find them? Does the mcu firmware gets updated as well on any official update?
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contrast
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« Reply #998 on: December 30, 2017, 07:22:42 AM »

Code part of the flash is updated too...
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clubman
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« Reply #999 on: December 30, 2017, 08:13:06 AM »

The ecu I bought to clone had another flash file on it but when I flashed my bin the car started fine and works.. How can it work without me changing the mcu code? Map locations in the 2 files are different..
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contrast
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« Reply #1000 on: December 30, 2017, 08:15:40 AM »

It’s in flash, I just wrote it
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clubman
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« Reply #1001 on: December 30, 2017, 09:28:34 AM »

Sorry I thought code was in mcu.. So can’t we read the code part of flash and determine map locations?
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arwidcool
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« Reply #1002 on: December 30, 2017, 10:04:30 PM »

I have a question and if anyone can answer it that would be great.

Would there be a problem running a 1024kb BIN (2000 car) on a 99 car (512kb bin).

As in I have a 99 T5, would i be able to run a 2000 T5 bin on the car? From what i have read only the chipset memory size is different.

Assuming i have flashed the original immobilizer (from my 99 512kb bin car) on the 1024 kb file

Can this cause any problems? Thanks

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clubman
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« Reply #1003 on: December 31, 2017, 02:37:00 AM »

The immobilizer is in a different chip,usually 95080 or 95p08.. You clone that and you are ok immo-wise.. Regarding the flash,how will the 1024 kb fit into the 512 chip?

The best is to request a 512kb t5 file to be sure..
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contrast
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« Reply #1004 on: December 31, 2017, 05:36:37 AM »

I have a question and if anyone can answer it that would be great.

Would there be a problem running a 1024kb BIN (2000 car) on a 99 car (512kb bin).

As in I have a 99 T5, would i be able to run a 2000 T5 bin on the car? From what i have read only the chipset memory size is different.

Assuming i have flashed the original immobilizer (from my 99 512kb bin car) on the 1024 kb file

Can this cause any problems? Thanks



No.
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