luki743
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« Reply #1365 on: January 25, 2021, 04:59:32 AM »
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prometey1982, did you find maps for soft launch control? Soft Limiter
Very rudimentary "launch" control can be added via using two RPM limits[47][48]
VNMX (1157E) - The vehicle speed for activating the raised (normal) rev limit. Set this as low at it goes (1.25 km/h) so the launch control shuts off as soon as you start moving off the line.
DNMAXH (16304) - This is the RPM above rev limit when the fuel cut comes on. Tweaking this helps make more boost on the limiter. 50 RPM is a good start.
ITNMXH (16308) - Dwell time under lower limit before activating the upper limit. Set to 0.
NMAX (1630A) - Ends up being the launch RPM. 4500 is a good start.
NMAXOG (16312) - This is the raised RPM limit which becomes the standard limit. Set to your desired redline.
TMOTNMX (16316) - Coolant temp for activating raised (normal) rev limit. Set this at -48 so that you can rev past the low limit while car is warming up.
TNMXH (1631A) - This is the time duration of the raised (normal) rev limit. Set this to its maximum value of 655.3500 seconds. In theory, this may trigger at some point, but nobody has reported such a thing yet. I found only NMAX |
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AmateurDriver
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« Reply #1366 on: January 25, 2021, 05:22:23 PM »
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Does anyone know how the BIN & IMMO are interconnected? i would like to flash my R ecu bin to my xc ecu. Can anyone explain or point me in the right direction so i can do my DD. On P80 in bin is some definition of engine type, this has to match to you transponder box. If you change engine type in bin of ECM you have to change 1 byte in transponder box to the right engine type. There is 1 byte for engine typle like LP turbo, HP turbo, non turbo or diesel engine. Without the change of this byte your engine wont turn on if you try different bins of different engine types... |
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« Last Edit: January 25, 2021, 05:28:46 PM by AmateurDriver »
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jahko
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« Reply #1367 on: January 27, 2021, 05:31:28 AM »
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For most conversions I'd still use the ecu that came in the car, or a clone of it. Compare the closest bins and look at where and what the changes are and do, if the file structure is slightly wrong because you're just swapping from "a" T5a to "a" T5m with slightly different a2l's you could be looking at non starts, comms errors to modules and wiring incompatibilities creating more problems. I haven't done that yet myself so feel free to add or correct anything.
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jahko
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« Reply #1368 on: January 27, 2021, 05:37:38 AM »
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The 4k rev limit is to stop you neutral dropping. I found it in some with a2l's; 20xxxx.a2l but not looked at yours yet, wouldn't that work as your soft launch parameter when switching to manual? ..thinking aloud...
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prometey1982
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« Reply #1369 on: February 09, 2021, 12:41:26 AM »
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prometey1982, did you find maps for soft launch control?
I found only NMAX
Hi! I'll find these maps some time later. I'm busy with 5120 hack now. VAG file from RS4 is very useful for these findings. |
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jahko
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« Reply #1370 on: February 14, 2021, 07:23:14 AM »
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I was thinking about using an arduino type chip for a quick&cheap plug&play 5120.
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prometey1982
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« Reply #1372 on: February 17, 2021, 12:02:03 AM »
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Work on 5120 hack still in progress. I found possible code parts. And half of all the maps which mention in 5120 VAG hacks. But it looks like I need just to apply initial changes and log engine work with logger and apply more changes from logs analysis.
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jahko
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« Reply #1373 on: February 18, 2021, 05:32:01 AM »
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How many have you tested it on?
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prometey1982
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« Reply #1374 on: February 19, 2021, 03:10:34 AM »
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How many have you tested it on?
I didn't understand you. Can you explain your message? |
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jahko
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« Reply #1375 on: February 19, 2021, 04:03:12 AM »
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How many cars have you tested your logger on?
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prometey1982
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« Reply #1376 on: February 19, 2021, 07:05:47 AM »
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How many cars have you tested your logger on?
I've logger and flashed 5 cars with this tool. I.e. end-users used this tool to flash and read logs. Cars were with 250 and 500 kbit CAN network. |
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jahko
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« Reply #1377 on: February 26, 2021, 04:12:04 AM »
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Nice work. Are these customers or fellow enthusiasts? Is it "finished"? I'd be interested to see if it works on mine.
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prometey1982
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« Reply #1378 on: February 26, 2021, 09:32:56 AM »
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Nice work. Are these customers or fellow enthusiasts? Is it "finished"? I'd be interested to see if it works on mine.
It's customers. Yes, It's ready to use. But I share this program only for flashing and logging by myself. I.e. customers read their flash with this program and send it to me. After needed modifications I send modified flash and logging addresses to customers. And they can flash new bin with this program. And get logs from they car. |
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prometey1982
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« Reply #1379 on: March 02, 2021, 01:47:47 PM »
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During investigating 5120 hack problem I found a bug inside VolvoME7ChecksumUpdater software. This software checks only first 512 kb of BIN. And if you will modify ASM code in next 512 kb then your car won't start due to invalid checksum. Also I slightly speedup this software. It was very slow because during checksum writing they open and flush file for each block. Fix was done in https://github.com/guitar24t/VolvoME7ChecksumUpdater/pull/2 |
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