MiniMi3z
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« on: December 12, 2014, 07:44:20 AM »
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Okay, so I bought a used ECU and I need the get the SKC out of it. I'm intending to replace my old ecu with that one, but immo3 is the problem. Is it possible to get the SKC out of the ecu at all, or is it only possible to get it out of the instrument cluster? Since I don't ofc have the instrument cluster for the other ecu. I'm all confused  I have a genuine ross-tech cable, is this process doable with it? |
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ddillenger
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« Reply #1 on: December 12, 2014, 07:57:37 AM »
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Okay, so I bought a used ECU and I need the get the SKC out of it. I'm intending to replace my old ecu with that one, but immo3 is the problem. Is it possible to get the SKC out of the ecu at all, or is it only possible to get it out of the instrument cluster? Since I don't ofc have the instrument cluster for the other ecu. I'm all confused I have a genuine ross-tech cable, is this process doable with it? You can get the login code from the eeprom in the ecu. If it's dead, you need to use an external device. Google the GQ4X with SOIC-8 testclip. |
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turboat
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« Reply #2 on: December 12, 2014, 08:42:31 AM »
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What ECU is it? If it is ME7.1/7.5 you can read it out with argdub's tool over the diagnostic port.
Its theoretically possible with a ross-tech lead, but I have never managed it, I use a dumb kkl lead.
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MiniMi3z
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« Reply #3 on: December 12, 2014, 01:54:15 PM »
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I'm really as out as you can be..  Which one is easier: pull out SKC from both ECUs, or delete immobilizer from the "new" ECU? I just want to get that new ECU I got working in my car. Btw car is Audi A4 B5 -00 if it matters. I have no clue if its ME7.1 or 7.5. |
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k0mpresd
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« Reply #4 on: December 12, 2014, 02:03:30 PM »
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what country are you in?
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MiniMi3z
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« Reply #5 on: December 12, 2014, 02:07:32 PM »
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Finland. How is that relevant  |
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MiniMi3z
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« Reply #6 on: December 18, 2014, 10:21:19 AM »
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Okay I dont get it anymore.. I managed to read 95040.bin from both ecus, but both show FF FF in place the skc should be in. Whats going wrong? Also I think something might have gone broken since I don't get any readings from 25-immobilizer meas blocks.
I attached both of my 95040.bins, the original and the new one. If someone could make any conclusion out of them.
Also if someone is willing to do so, I'd appreciate if someone took the immo off from that 95040.bin file. I'd just try that out before sorting all this immo shit and see if the original ecu actually went broken.
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turboat
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« Reply #7 on: December 18, 2014, 10:35:30 AM »
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Looks like an Immo 2 eeprom, which doesnt store the SKC in the ecu.
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MiniMi3z
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« Reply #8 on: December 18, 2014, 10:55:09 AM »
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Getting weirder, because thats exactly what I have come to too.. Is it possible that I have immo 2 ECU, but immo 3 car? How the hell do I do the adaptation?
Is it possible to immo off that 95040.bin? I would like to just try running immo off. Is there an easy way, like a software to do the immo off? I think I can manage to write the .bin on ecu using me7_95040. Or if someone here more experienced could do the immo off for me, I'd really appreciate it.
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MiniMi3z
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« Reply #9 on: December 18, 2014, 11:43:33 AM »
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jogtx16v
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« Reply #10 on: December 18, 2014, 03:00:56 PM »
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yes its simple. 2 bytes and 2 others bytes for checksums
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MiniMi3z
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« Reply #11 on: December 18, 2014, 03:08:55 PM »
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How do I know checksums? I'm not that familiar with these kinds of things.. Is there a calculator that lets me know, or do I just have to figure it out myself? Some tips?
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MiniMi3z
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« Reply #12 on: December 18, 2014, 03:24:22 PM »
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I think I've managed to do it. Someone mind checking if this is done correctly? Attached immo off of that 95040.bin attached earlier.
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ddillenger
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« Reply #13 on: December 18, 2014, 03:25:57 PM »
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I think I've managed to do it. Someone mind checking if this is done correctly? Attached immo off of that 95040.bin attached earlier.
That is correct. |
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MiniMi3z
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« Reply #14 on: December 18, 2014, 03:43:54 PM »
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Nice, I'm making progress I'm planning to write it to my ecu through obd port, by grounding pin 24. I will ground pin 24 to battery minus, right? When I'm looking at instructions on how to get into bootmode, I see powering off and on ecu, and in my case that means turning ignition on and off? How do I know when I'm in bootmode? What to do after the procedure? How to get to "normal mode"? |
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