fknbrkn
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mk4 1.8T AUM
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« Reply #240 on: January 09, 2016, 09:17:41 AM »
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Lets not bring that discussion up again, it's 15 years old.  Besides your assumption about brakes is just as dumb. :-) Rear axle cannot spin faster only transfer more torque than front. I thought fukenbroken was experimenting with and injecting new can wheel speed data trying to fool haldex lock point. Back to topic (since this is about reading/writing haldex ECU): Where is ccyberwing? pmed him at christmas weekend still no answer |
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ccyberwing
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« Reply #241 on: January 11, 2016, 03:23:28 AM »
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sorry for the delay but i am still not back home. i get back on this weekend, so i can post some pictures of how to read this controller.
It's meant to be read in boot mode. by k-line.
regards
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DT
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« Reply #242 on: January 11, 2016, 03:32:24 AM »
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sorry for the delay but i am still not back home. i get back on this weekend, so i can post some pictures of how to read this controller.
It's meant to be read in boot mode. by k-line.
regards
bclr, bset P2_14? |
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wannabee900
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« Reply #243 on: January 13, 2016, 04:50:24 AM »
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Anyone who has managed to enter boot mode on Gen1 yet (except for ccyberwing)? Verified by the fact that you cannot connect by vcds without reboot
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« Last Edit: January 13, 2016, 06:07:23 AM by wannabee900 »
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DT
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« Reply #244 on: January 13, 2016, 07:29:06 PM »
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YES! The entry code to what seems to be flashfile download routines wasn't too hard to find. It is probably not possible to read with help of flashcode and that makes sense, why would VAG/Haldex need to read the ECU. I've not tried to write yet since I'm not experienced with OBD communication and I'm not sure how to attack this with my VCDS cable or Galetto clone cable. I would like an OBD terminal program where the ECU ASCII based menu system for flash write would work. Would an elm327 cable which have AT command set help me or do I need to do a bit of programming myself? When searching for something useful, everything I find is nice solutions for working with CAN. It's fairly quiet here, surely there are others who found the same? Now we only need to get ccyberwings boot mode instructions. We are almost done.  |
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dream3R
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« Reply #245 on: January 13, 2016, 09:30:39 PM »
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YES! The entry code to what seems to be flashfile download routines wasn't too hard to find. It is probably not possible to read with help of flashcode and that makes sense, why would VAG/Haldex need to read the ECU. I've not tried to write yet since I'm not experienced with OBD communication and I'm not sure how to attack this with my VCDS cable or Galetto clone cable. I would like an OBD terminal program where the ECU ASCII based menu system for flash write would work. Would an elm327 cable which have AT command set help me or do I need to do a bit of programming myself? When searching for something useful, everything I find is nice solutions for working with CAN. It's fairly quiet here, surely there are others who found the same? Now we only need to get ccyberwings boot mode instructions. We are almost done. I might be able to help, can comms or? |
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DT
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« Reply #246 on: January 14, 2016, 12:59:35 AM »
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I might be able to help, can comms or?
By the looks of it the whole process is done with the k-line, hence why i would like to have a terminal for k-line. |
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dream3R
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« Reply #248 on: January 14, 2016, 06:43:43 AM »
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DT
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« Reply #249 on: January 14, 2016, 07:59:08 AM »
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Thank you but it's not the read memory commands and such I'm looking for. I only want some kind of software that can connect to haldex ecu and let me send hex data and see hex/ascii reply from ecu. I'm not very interessted in creating my own terminal program. |
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dream3R
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« Reply #250 on: January 14, 2016, 08:15:40 AM »
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Thank you but it's not the read memory commands and such I'm looking for. I only want some kind of software that can connect to haldex ecu and let me send hex data and see hex/ascii reply from ecu. I'm not very interessted in creating my own terminal program. Terminal is easy to code but unsure how you'd send large data via it. If you find some base KWP2000 code in C or C# I'll whip something up for you. I've done a LOT of work with CAN but next to zero with kline. It's a a pity It's not can as I have exactly that but for CAN with Arudinio |
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« Last Edit: January 14, 2016, 08:17:30 AM by dream3R »
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dream3R
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« Reply #251 on: January 14, 2016, 08:28:37 AM »
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Is this boot mode work? You'll need a loader too like what minimon uses but expanded I guess.
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k0mpresd
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« Reply #252 on: January 14, 2016, 09:27:39 AM »
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heres another.
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DT
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« Reply #253 on: January 14, 2016, 05:09:52 PM »
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Is this boot mode work? You'll need a loader too like what minimon uses but expanded I guess.
No, IDA research about k-line comm . Though I have most of bootmode figured out, like custom bootstrap loader. But waiting for ccyberwing to reveal how to trigger the damn thing. |
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DT
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« Reply #254 on: January 15, 2016, 06:13:59 AM »
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I bought an ELM327 yesterday and tried to connect to Haldex ECU on bench. +12v, GND and K-Line connected. Did not work!
VCDS cable with VCDS software works fine with this connection.
I used putty and ELM AT commands but could only reach the ELM with the AT commands, not through to the Haldex ecu.
different combinations of the following
atz
atst ff
atsp3
atiia1
0100 (gives NO DATA or BUS INIT... ERROR after slow connect)
also tried atsh <header>
Never got the "BUS INIT... OK" that is needed.
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