NefMoto

Need a definition file for 4D0907560AF, or a bin/xdf that would be compatible.  This is a 2001 A8L 4.2L AUX Tip.  Trying to help a friend code out SAI and precats.

Have you read the file? Looked yourself? Before asking for help you should put some effort in. Barring that, how about following the rules?

"All definition requests must be accompanied by an original file"

I'm going to be watching you from now on. You've been here long enough to know better.

*edit*

I had posted the addresses here, but I think that sets a bad precedence. You're going to need to put forth just as much effort as you expect others to.

I did read the ECU, and I did search.  Sorry I forgot the file.

I found references to your 559E XDF, which I was hoping might work... but it appears to be posted in a forum that no longer exists and I can't find a link to it.

Here ya go.
You might also check my 560CE XDF as well, the map addresses don't directly match, but will help find most of what you're looking for.

MSLUB looks right, thank you

I don't see these defined in any of these XDFs.  If someone could help me find these I'd be very grateful.  Just trying to help my friend get his car back on the road...

AHKATMN
AHKATMX
AHKATS
AHKATSB

Not sure what else I can do to find these.  I have been unable to find a similar BIN with these variables defined.  And the car is not legally drive-able right now, so can't do any logging on it.  Really just trying to help my buddy who is in a jam.  I've already spent two days on this and can't afford to put much more time into it.  If no one is willing to help me out, I'll have to tell him he's SOL.

Alright, guess he's boned.  Thanks anyway.  Sorry I offended you daz, kinda sucks that you know the answer but aren't willing to help out.

Daz holding out on info? That honestly doesn't sound like something he would do...On a side note, I've been looking for a solution on these locations too for quite a bit, with no luck. I may re-visit this mission soon, though, and if I figure it out, I'll post back in here.

Hang tight, I may be onto something... AHKAT stuff seems to be near where I original thought they were on my 560CE ROM, but it's in a different order than the V6 junk.

The issue here is that there's a fine line between helping someone, and just spoonfeeding them answers, especially when all the required info is not provided. I understand you posted your original file elsewhere, but there is a sticky at the top of this forum for a reason.

I don't have AHKAT located in these files.

CDKAT 181A0
CLRHK 11E2E
CWDLSAHK 186C9

CDSLS 181AE
CWKONABG 181B8

These have a strong chance of being wrong, but I have a good feeling on them, I can cross reference the markers on a 4D0* RS6 ECU and also on my 560CE ROM... So hopefully!

AHKATMN 0x186CF
AHKATMX 0x186D0
AHKATS  0x186D1
AHKATSB 0x186D2
AHKTMXT 0x186D3

Edit:
Check across a few files, the values are within what I would expect them to be, so I do think those are correct. But as usual, adjust at your own risk!

Thank you both, I'll give these a shot.  If it doesn't work, I think I have enough to code out rear-O2 completely.


daz - I'm sorry you feel like you're spoon-feeding.  ECU work is a loose hobby for me that I only picked up to fix my allroad.  I've been very busy between my full-time job, my other clients, and the lawsuit for the guy who t-boned my jetta wagon a year ago and wrecked my shoulder, requiring surgery.  I haven't had time to really dig in further.  A friend is in a jam and I was just trying to help.  Again, did not mean to offend you.

Don't you still have to adjust AHKAT* stuff even when disabling rear O2 control and circuit diag?

My understanding is that zero'ing CDKAT and CWDLSAHK will disable the rear-o2.  I'm flashing the file tomorrow when I have time to run up to his place in Saratoga, so I'll see if it works.

If I'm wrong, feel free to tell me I'm retarded... wouldn't be the first time haha

That was just my impression, I haven't actually done it yet! ;D
I do eventually plan on removing the rear O2's completely, both in the tune and physically, but for now they are still in good shape.
ESKONF bytes for the rear's are still a bit of a mystery though.

Well there's something whacky going on with this guy's car.  The ECU file I read failed checksum from the start.  I made the MSLUB, CDKAT, and CWDLSAHK changes... fixed all the checksums... flashed... car won't start.

So I found an original bin on here from amd is the best, compared to my friends original... and they're not even close.  MSLUB in the original bin doesn't look right at the address from 559E XDF.

I ended up using the original bin and making the CDKAT and CWDLSAHK changes according to Daz's addresses.  All readiness is passed except O2, but no failures.  Enough to pass NYS inspection.

Thanks you both again for your assistance.

How were the battery voltages?
When I read my ECU with out the booster battery, it failed multiple times (battery was at 12.8volts), then I connected my booster (14ish volts) it read perfectly the first time.

Was on a charger for both reading and writing.  I don't take chances with that.

Just checking.

Comparing the one you posted here and the other 560AF, it would seem there are a lot of sections that for some reason got shifted, so the offsets given here are most likely wrong... Except the codewords from the 559E XDF, which should be ok.

The AHKAT constants (or what I think they are anyway) in the other 560AF are:
AHKATMN 0x186D8
AHKATMX 0x186D9
AHKATS  0x186DA
AHKATSB 0x186DB
AHKTMXT 0x186DC

Which with those, if they are indeed what I think they are, should get you rear O2 readiness with a gutted/high-flow cat, instead of just "unsupported".

Thanks.  He should be fine as is, NYS inspection allows one "incomplete" or "unsupported" bank for a 2001.  I'll know shortly if he passed.

Just spoke to him, passed inspection.  Thanks again!