EECTuning.org

baba_banana

Thanks for the help guys. This is a pretty cool project but I’ve been busy searching for a job and it doesn’t seem like I’m gonna get into automobiles engineering anytime soon.. even thou programming dashboard user interface apps might be a dope job. Anyways my math degree don’t provide me with any ...

baba_banana

i'm still feeling kinda icky about the inspection. particularly thinking about cold/hot readings. . can I find these values anywhere? Is there a rule of thumb for ECT/EOT? what else should i monitor? my ford Ex 2002 service manual says KOEO fuel pressure should be 240-310 kPa (35-45 psi), running sh...

baba_banana

So feeling a little trippy now, maybe cuz it's late.

so how and why, if you do, would you use a scan tool for purchase? I've read the 6.0 diesel post on that but wonder if you have a different take on it.

baba_banana

Making changes to factory setups is sometimes done, but there's a limited amount of benefits you get. That doesn't mean there are none. For years manufacturers have left some performance on the table in the tune which can be extracted. But by far the most performance gains are gotten with mechanica...

baba_banana

woah woah, you guys are intense :biggrin: :biggrin: :biggrin: I think tuning is way ahead of what I plan and could do at this time. . someone mentioned that a code will be set if MAF or TP falls out of a given range for a RPM. I guess P0068 explains itself, even though i'm not sure if the code could...

baba_banana

i'm in the market to purchase a Ford Excursion as my primary vehicle. I would like my purchase to be aided with electronic sensor data to alert me if any powertrain aberrations unseen to the naked eye/sound/body. i'm looking for something like this https://www.ford-trucks.com/forums/969253-buying-a-...

baba_banana

Oh lol. The diesel’s at Montana. I would prolly stop by. I read some elm327 adapters might not be compatible w diesel at 24V Yeah man, there's some neat stuff here around Boise. Just let me know :grin: Thanks. I’ve weighed my options and realized I’m severely lacking in options (both in a scan tool...

baba_banana

12V or 24V for power supply, the chips are 5V I believe. The data streams are a mix of voltages depending on which protocol standard. Check out the documents on the Elm site. Ok yea. I actually have no clue how Bluetooth adapters get their power from. It probably makes sense that it taps the power ...

baba_banana

ELM327's are a bit of hit and miss affair to get a real one. Yes a good one works well with Torque. I got a Bluetooth version from the UK some time ago. Company doe snot appear to exist anymore. 12V would be typical of most low cost interfaces. You may need a module that supports commercial vehicle...

baba_banana

Cool will check it out later.. I’ve seen a post on ForScan where the person modified the tool to use MS-CAN. I don’t know how it’s related to 24V but I see in another post that 2004 onwards use that as auxiliary protocol to CAN. So perhaps some modules might be excluded.. as I’ve seen on a post wher...

baba_banana

Yea I saw one on amazon that’s a hit w/ diesel owners, titled “OHP ELMconfig” at $31.46.

Hell maybe I’ll just make one myself if ELM electronic (assuming that’s the legit company) sells proper kits..

If that’s the case, Imma stop my relentless vagabonding/car camping and go home n start hacking.

baba_banana

Oh lol.

The diesel’s at Montana. I would prolly stop by.

I read some elm327 adapters might not be compatible w diesel at 24V

baba_banana

I’m in los banos, but I would be driving up anyways.. the dealers are up north.. I’ll be hooking it up to my laptop anyways cuz I have no android (would like to have a cheap used one for work though).

Don’t they all use UART? Well as Long as it works..

baba_banana

motorhead1991 wrote: ↑Fri Jan 01, 2021 7:58 pm Man, if I could bolt across Oregon to help you, I would

Oh dang you’re in Oregon? I made a detour to a Chiloquin on the way back . The highway views were pretty awesome.

baba_banana

Happy new year guys. So I didn't know what's gotten into my head: maybe it's being trapped without a car for 6 months or just a crowded living situation. I went on a impulse to get a '95 pathfinder whose engine I blew on my way back at NorCal. I didn't know what I was thinking.. i checked rust, body...

baba_banana

That’s good to know that we’re always learning, gotta chase that satisfaction of completing something first before learning more! Talking about learning. Made a newbie mistake of not doing some tune ups before heading back on a long trip, engine blew n leaked. Now I’m stuck in a small town in NorCal...

baba_banana

holy molly. I see lots of discussion and progress been done since I was away. I can't wait to get back to the subject but I drove up from Southern California to Seattle 2 days ago to consider the prospect of relocating here after having to compromise and live in the common area for the past 6 months...

baba_banana

'Wraps" - if you count in a limited space, say 16 bits............ start at 0 and go to 65534, 65535 and add another 1, what happens ?? The result goes back to zero, and 'overflow' condition is set in the CPU. (For us geeks, I'm ignoring further details..). This is what I meant by 'wraps'. This als...

baba_banana

I reviewed my addressing modes just now and looked through the beginning lines again. 203c: 66,31,34 ad2w R34,[R30++] R34 += [R30++]; # add each word i'm I right to say that after the disassembler read the mode bit, it clears it, hence it becomes 0011 0000, interpreted as 30? Yes, word op, bit 1 se...

baba_banana

Checksums - these are used all over the place in software designs, everything from verification of something, to signatures, to indexes of data. Checksums can be simple additions through to complicated maths tricks, depending what is required. For the EEC boxes, the entire contents of the ROM (0x20...

baba_banana

Including code in posts is good... thanks, will do. . Do you see the loop summing everything from x2000 to x3fff? Checksum must equal zero, do you see the compare of the sum with zero? Not equal zero must be checksum failure of the ROM range x2000 to x3fff. yea i went through it but i'm not familia...

baba_banana

Mode Bit... short indexed or long indexed. ok i see.. i'll look into it later, looks pretty straightforward. I was looking at AA 2039: xorb R2, 40 . . so I guess 40 = 0100 0000 while R2 = 0000 0000 so xorb -> R2 = 0100 0000 .. so I suppose that's bit 6 == LSO_6? Comment says CPU_OK ^=1 which is har...

baba_banana

I expect EBC chips and SCP would be similar, subject to laying eyeballs on that hardware. but from program code, i'll be able to understand what packet I get from the DLC is related to which engine function right? Anyways, I was looking at AA and CRAJ0, seems like the disassembly doesn't follow the...

baba_banana

Just to confirm, early bins/boxes had no CAN or OBDII or any external info bus at all. They had a single 'test' input (which was grounded for one second) and a single very low speed error output, designed for a buzzer or lamp, and error codes were groups of pulses which could be counted by eye/ear....

baba_banana

Very few 8065 have CART because they moved on to EBD chips speaking SCP. Some 8061 got CART, but not all. Study the handbook. Other CAR modules could talk to the EEC using SCP. I've not delved into EBD bins enough to understand the capabilities entirely. cool, I see more mentioning of EBC (EEC Bus ...

baba_banana

here's an example: https://www.youtube.com/watch?v=WEsnOIU ... wQ&index=7

would be convenient to have a control flow graph to navigate. Radare2 is opensource compared to IDApro

baba_banana

Probst Book - if it's the dark blue one, I had this for a while. It doesn't give much at all on how the innards and communication protocols work, it does give some sensor data, but only really from a view of 'external tuning' (i.e. fiddling with the sensors). So not a lot of use for EEC internals. ...

baba_banana

CART is not OBDII. Read the LHBH1 strategy doc for some info on CART. thanks for the rec/reminder, I ignored the strategy files because I downloaded 1 in Microsoft Words that contains gibberish. Anyways I took a look at it, seems like CART/RAM contains serial input/output that allows EEC to interfa...

baba_banana

Hi guys So i guess after a week or so (not sure how long, time passes fast, annoyingly or not) of AWOL, I have not deeply analyzed any bins yet but I did survey the one-bank bins like AA that tvrfan mentions. But I've been scrutinizing the docs again to gain a better, high-level idea of the data flo...

baba_banana

That is generally the path you'd need to take for an unsupported bin. You're not seeing output from SAD? Generally that points to a corrupt comment file or another fault in disassembly. The messages file might be able to tell you what's going on. yea this is the output of the message file # -------...

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Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: diagnosing and inspecting v8 v10 Ford Excursions' sensor readings

Re: diagnosing and inspecting v8 v10 Ford Excursions' sensor readings

Re: diagnosing and inspecting v8 v10 Ford Excursions' sensor readings

Re: diagnosing and inspecting v8 v10 Ford Excursions' sensor readings

diagnosing and inspecting v8 v10 Ford Excursions' sensor readings

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU

Re: Project on Reverse Engineering binaries, assembly, coding and learning more about the ECU