EECTuning.org

jsa

How about a QH?
Moates have reopened.

jsa

Craig Moates wrote: ↑Thu Jan 30, 2025 8:54 pm Folks,
I wanted to let you know that we're BACK
Craig

Welcome back, what's the game plan for the future?

jsa

The attached zip contains SADV4.12 (4.13.2) DIR and CMT files consolidated from various sources of varying quality. Obviously needs more work. It might assist you in building a better definition file. 12QB 12RB 22CA NGVB5 AU2 XR8.zip SAD can be obtained from github; https://github.com/tvrfan/EEC-IV-...

jsa

Disassembly of the bin and identification of the PID's. Some open sorrce work has been done on it over here; http://www.efidynotuning.com/forum/viewtopic.php?t=1085&sid=3546429a92aa1930ca462162ca374a60 This is a disassemebly thread relevant to finding PID addresses; http://forum.efidynotuning.com/vi...

jsa

You can hassle core to update it.

jsa

The PID's have to be added to the definition file. For BE they would be added to the Payloads tab of the *.xlsx definition. For TP it would be the ADX I believe. The way a VCM works and the way a QH works is not directly comparable.

jsa

You just stepped into the bottomless rabbit hole, LOL, welcome to disassembly. Thankfully, there's a handy little program developed by TVRfan called SAD that will save doing some signed binary math on a calculator. You can find it here; https://github.com/tvrfan/EEC-IV-disassembler/tree/master/Devel...

jsa

22CA

22CA.bin: (256 KiB) Downloaded 48 times

jsa

The file you attached does not look original. An original would be 32kB as that is the chip size for those I believe. The file would be 0x0000 to 0x7FFF. Who knows why someone added a pattern like that. FF would do just fine to pad it up to 56kB. BE has an option to specify EEC_32K as the PCMType, b...

jsa

No first hand with them.

Ask Clint what the error is that you get.

The AHACB read only is likely sailorbob's, pm him on here or email him at the address from an old moates feed;

: Old moates info for ahacb.; Screenshot_20241113_213439_Firefox.jpg (103.29 KiB) Viewed 1512 times

jsa

Some on eecanalyser have come from EEC's, don't know about all. All ROM files start at 0x2000, originals won't have 0x0000 to 0x1fff in the file. Opening an unpadded ROM file in a hex editor will show file address starting at 0x0000, but actual address is 0x2000. Most bin file have 0xFF, what patter...

jsa

Yep, good.

The inner workings are explained in the strategy documents;
https://github.com/OpenEEC-Project/Strategy-Documents

The code can be reviewed here;
https://github.com/OpenEEC-Project/EEC-IV_A9L

jsa

SIGPIP is TFI talk. I don't believe the missing tooth is passed through edis to pip signal in any way. What changes have been made to the tune to run EDIS8? You will need missing tooth as EDIS uses it to determine which coil to fire. EDIS expects SAW in a window. EDIS might default to 10°btdc if it ...

jsa

The pip from each edis will need to go to the eec input, via diodes as power on edis pip pin from an external source may let the smoke out or who knows what. A lot of stuff is calculated on each pip pulse. IIRC saw is one of the calcs as well as well as rpm and fuel. With pip from each edis going to...

jsa

Previous discussion on chips https://eectuning.org/forums/viewtopic.php?t=23504#p135885 This has a couple of nuggets of info. http://eectuning.org/forums/viewtopic.php?f=17&t=23036&hilit=hardware+manual&sid=d332820177d991db0ed204ffc3c2e975#p133435 1. Not me. 2. Early EEC-IV no doubt, but no idea exa...

jsa

Don't know much about them myself.

https://eectuning.org/forums/viewtopic. ... 678#p93755

jsa

It's not EEC-V. EEC-V has a J3 port similar to EEC-IV.

jsa

https://eectuning.org/forums/viewtopic. ... 55#p122899

For an output source you could use a multimeter in volts mode.
For an output sink you could use a multimeter in diode mode.

jsa

Search within the strategy docs for trload.

https://github.com/OpenEEC-Project/Stra ... /tree/main

Search within the disassembly LST for trload.

https://github.com/OpenEEC-Project/EEC- ... 9L_lst.txt

jsa

Good stuff, glad you got it sorted.

jsa

I just got this pic minutes ago from the guy who initially built it. It shows the 90 degrees of separation. With MS, that wasn't an issue. I disagree. Instead of base timing at 10°btdc, it is 30 off puting it at 40°btdc. Tuneable range becomes 20°btdc to 90°btdc. What I'll need to do is remove and ...

jsa

10 degrees per tooth, so move the sensor to suit.

Is that pic with the engine sitting at TDC?

jsa

The EDIS module just fires coils in sequence A-B-C. Firing order 1-4-2-5-3-6; Coil A 1&5 Coil B 4&3 Coil C 2&6 Assumes; Edis pin 10 to Coil A Edis pin 11 to Coil B Edis pin 12 to Coil C Or has 11 & 12 been crossed to coil C & B? It'd be worth having one edis pin connected at a time to confirm which ...

jsa

DPDISXR4Ti wrote: ↑Mon Aug 19, 2024 1:46 pm
Cylinder 6 - the one in the middle - I get intermittent strobing.

Cylinder 6, the middle cylinder or the middle coil??

Apparently some coil packs have pin 1 as 12v power and others are pin 4...something else to check out.

jsa

Sounds like MINPW needs to be set lower, has that been changed?

Has low slope been set to injector specs?

jsa

Pin 8 not connected is going to generate a fault code because it can't see a change when the pump starts. Wire it as per the ranger circuit. So you firing order is 1-4-2-5-3-6? It's wasted spark so 1&5, 4&3 and 2&6 always fire as pairs. You say 4&5 don't strobe the light. You should have lost 3&1 at...

jsa

Yes the fault code issue is strange, hence the suggestion to persue it further.

jsa

Above, I mentioned the impact of capacity difference on timing.

What crank angle is the CPS at?

What does a timing light show you?

Fault codes should be possible by jumper and LED, without a code reading tool.

Your ranger 2.3 to xr4 2.3 is the same capacity...same engine.

jsa

4007 is 1000V and the 4004 is 400V, I'd stick with the 1000V to be sure, to be sure, more safety margin. The 18V reverse biased zener may prove to be necessary, depends on what your tacho expects the signal to look like. Your tacho may already have a capacitor or zener internally to filter Vbat from...

jsa

Quick sketch.

1N4007 diodes.

: 20240809_122958.jpg (32.94 KiB) Viewed 7316 times

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