Getting the maps from KS-ROM?

[GalantOnly]

Heeeelp the nice VR4 ppl /Wyhy

Unfortunately, I'm not that much in flashing stuff yet, so the thing is:

I've got a MD340288 ECU, which has KS chip in it, mapped to 1 bar.

I have also almost all other standard VR4 ECU's with 7201, 7202 and 7203 processors.

Question: Is it possible to pull the map data out of KS-ROM unit and just flash the other ECU's with it?

/Hyper

[Nutter_John]

no the ks-rom image will only work on the same processor type , but yes you can dl the rom iamge to look at the maps ,

[Turbo_Steve]

Being simple, here - but what Processor is in the MD340288?

[GalantOnly]

MD340288 is pfl manual from 96... I think it's a 7201. I didn't opened it yet, because there's some very nice japanese KS seals on it...:)

So, did I understood it right, if KS-ECU is a 7201, it will be possible to "copy" KS maps on the standard ECU wih 7201?

[elnevio]

MD340288 is pfl manual from 96... I think it's a 7201. I didn't opened it yet, because there's some very nice japanese KS seals on it...:)

So, did I understood it right, if KS-ECU is a 7201, it will be possible to "copy" KS maps on the standard ECU wih 7201?
Hello! :deal2:

Although you possibly need to be careful not to fall foul of copyright laws.

[GalantOnly]

Hello! :deal2:

Although you possibly need to be careful not to fall foul of copyright laws.

/yes

I'm talking of theoretical possibility, Nev:)

[Nutter_John]

Well send it over and we will pull the rom info off it , purely for research :)

[GalantOnly]

Well send it over and we will pull the rom info off it , purely for research :)

Yeah, I can do that /yes

Research is good... /yes

[Nutter_John]

But we would have to open the case , which would invalidate any warranty from KS-ROM ( I recon the warranrty is out of date now anyway )

[GalantOnly]

The warranty is VERY out of date...

[Nutter_John]

if you can open it and send me a pm with a photo of the system board i can tell you how easy it is to get the data off the rom :)

[GalantOnly]

if you can open it and send me a pm with a photo of the system board i can tell you how easy it is to get the data off the rom :)

I will. Tomorrow... /yes

[GalantOnly]

The first one is KS-ROM, the second is 7201... KS look like some tricky chip, cause there's nothing wrote on it :thinking:

[GalantOnly]

The close up... Nothing under the sticker, apparently :angry:

[wintertidenz]

Looks like the boards are exactly the same, hard to tell because the KS-ROM board has light shining on the board number on the right hand side.

[bradc]

Looks like one of the capacitors could be bulging slightly?

[GalantOnly]

The boards ARE the same. The same JE331B132C numbers. Both are MD340288 ECU's.../yes

[wintertidenz]

If they are the same then you should be able to pull the ROM data from it and flash other 7201's with it - however you would need to get NJ to do it, as he knows the process to do this on the 7201's.

[Turbo_Steve]

That's a huge assumption - if the KS ROM uses a totally proprietary chip with the same pin-outs then anything is possible!

It's likely, however, that it's actually a 7201 that's just had the top polished to get rid of the text. It may even have been the one that was fitted to the ECU from the factory, reflashed in situ!

Aftermarket chips have been known to do all sorts of stuff, though, from just re-writing the maps to extensive software replacement to add features like Anti-Lag and CEL on Knock and stuff.

[GalantOnly]

That's a huge assumption - if the KS ROM uses a totally proprietary chip with the same pin-outs then anything is possible!

It's likely, however, that it's actually a 7201 that's just had the top polished to get rid of the text. It may even have been the one that was fitted to the ECU from the factory, reflashed in situ!

That's exactly my thought...

But I can not see anything strange at solder joints. Looks just like factory job. Is it possible to replace the chip without it can be seen?

[kinkyafro]

Looks like one of the capacitors could be bulging slightly?

If you send it to NJ (I can guarantee he wants to borrow it) It'll come back with a new capacitor.

[GalantOnly]

What's the capacitor story? /Hmmm

[kinkyafro]

What's the capacitor story? /Hmmm

If the capacitor tops bulge there starting to fail - if you take a look at the capacitor top and compare with the other capacitors on the board they should be flat.

If they are bulging then they may outlast the car or fail next week.

[GalantOnly]

If the capacitor tops bulge there starting to fail - if you take a look at the capacitor top and compare with the other capacitors on the board they should be flat.

If they are bulging then they may outlast the car or fail next week.

:| creepy

[bradc]

google 'bad caps' or 'bulging caps'

[GalantOnly]

google 'bad caps' or 'bulging caps'

You're right, Brad. Just did that.../yes That wasn't so hard...:jester:

What kind of problems can it cause?

[elnevio]

The next stage on from 'Bulging caps' is 'Leaking caps'! :o


I believe they can make quite a mess and break electrical connections.

[bradc]

The main problem is that they don't hold the same level of capacitive charge (the number in F or uF on the side) that they used to.

[MarkSanne]

And they can start leaking acidic chemicals onto the board, it's soldering, nearby resistors, etc.

All 6G Galant ECU's have this leaking capacitor problem which causes a wide variety of problems, eventually nothing works anymore (engine-wise). A new capacitor isn't expensive: half a pound/euro tops.

[Nutter_John]

Just sent you a PM Galantonly

[Nutter_John]

Also just to confirm that they are deffo the same boards eg 7201's and it looks like they have reflashed the rom image , I assume the sticker and taking the top of the chip is just to throw people off the scent etc :)

[Turbo_Steve]

/STP Reflash in Situ, though? :D :D

[Nutter_John]

Nope not at all they have removed it

[wintertidenz]

How can you tell though?

[Nutter_John]

Magic eyes Dan :D

the chip looks like it has been soldered by hand ( very well done though ) rather than a reflow machine

[wintertidenz]

Ahh yes I see it now.

Slightly off-topic here, but where do the CN102 solder pads link to? Are they for diagnostics?

[Nutter_John]

a very good question , they seem to be some sort of jtag port , but as yet we have not found a way to start the processor reading via them

[kinkyafro]

Ahh yes I see it now.

Slightly off-topic here, but where do the CN102 solder pads link to? Are they for diagnostics?

They all lead to a couple of pins on the cpu - can't remember the pin numbers off hand. I have gut feeling that it might allow reflashing in situ with a fairly simple cable and minimal soldering but without a datasheet for the cpu - it's all guesswork.

There was a lot of inconclusive talk about it on one of the older threads.

[Nutter_John]

pins 42-47 off the top of my head