^^ Sorry just re-read this and it came across a bit short it think - Didn't intend it to be It was late and I was rather tired. I have to hold my hands up as it's years since I've read anything on MS.
S1mon- yes i'd be interested take it youd still have to physically change the eprom in the ecu though?
I use Tuner Pro many japanese vehicles as well. Important thing is the address/definition file. Easy to access in the jap world. Harder on certain Euros. Winols package requires a bit of advance knowlege and experience to decipher what maps do what and is not as user friendly.
stu, kenny, and will are 3 of the nicest people you'll meet. extreamly helpful and very very knowledgable. speak to them all the time, and yes there heavily into fords, as i used to be too till about 6 months ago when i bought the mk1 golf.
ahh i see, makes a lot more sence now, so as i understand it you fool the ECU into thinking its got a chip plugged into it when in fact its a laptop pretending to be a chip via an interface? then when the map is finalised you write it to the eprom and swap it back in. and it doesnt involve the OBD port at all?
Exactly... In fairness we were trying to get it to do something that it's not really designed to do More or less, you need an "emulator" or "romulator" like Ostrich Yes.. But... You need software to "look" at and modify the code, not all chips have the map's in the same places or structured in the same way, hence the need for an address / definition file which "shows" (some are better than others) you were the maps are (sort of), some (all?) support real time mapping which cuts down the hassle too. Cheers Simon
OK in the interests of science I've just pulled the covers from a couple of Seat ABF ECU's I have "in stock" Both are 037 906 024 BE's Those eprom's anything like you have in your VW ABF ECU's? Interesting to see the 120kpa MAP sensor there too Cheers Simon
This is mine, cant remember the code off hand but its a non-immobilised ecu http://vwtech.no-ip.info/images/golf/abfecu1.jpg http://vwtech.no-ip.info/images/golf/abfecu2.jpg
The VW and SEAT ECUs are the same. My BE is actually from a SEAT Ibiza Cupra Sport 16v... AE looks the same inside too, from memory. Never seen an early non-immobiliser one inside though.
Most of the 'chippers' fit an encryption board to the EPROM socket, then their EPROM to that...stops copying I guess. Certainly that's how AmD & Star used to do it.
Probably offset mapping and the board compensates Been having a good old natter with a mate in Cali, he's a Honda (Hondata actually) man but basically thinks it's all pretty "do-able" "just" need to get the locations "down"... He also made an observation, if you can get deep enough into the calibration then you can probably change the MAP sensor and run boost (apparently he's done it on Honda's!)... I was also thinking, if you disconnect the MAP on an ABF it still runs (right?), I wonder if you could drop the MAP entirely and run it Alpha-N.... Cheers Simon
The MAP input is actual one part and is the "P" in the PV=nT used in the air charge model that predicts out air at the inlet valve and thus the injection time to achieve lambda for cat. It is a bit more complicated than just remove the map and use throttle angle to approximate air mass at engine speed. If you are modify the engine to require this type of functionalty, there is no point of keeping the factory closed loop PCM. Just get something simpler, like DTA, Emerald or MS, and move forward from there.
Thought it might be a tad more complicated... For sure, like I said before I'll probably end up with MS, just interested in "having a fiddle" with the stock system if it's possible to do so with open source software and some relatively cheap hardware that I can sell on at the end of it.
