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Need help with Galletto 4 to connecto to ecu pls...
17-10-2016, 10:36 AM,
Post: #21
Need help with Galletto 4 to connecto to ecu pls...
I have one Marelli ecu ,IAW5NF.T2 .Is it possible to read external eeprom by BDM connection with FG Tech v54 ?I can't find manual for this ecu


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17-10-2016, 10:47 AM,
Post: #22
RE: Need help with Galletto 4 to connecto to ecu pls...
(17-10-2016, 10:36 AM)mikroel Wrote:  I have one Marelli ecu ,IAW5NF.T2 .Is it possible to read external eeprom by BDM connection with FG Tech v54 ?I can't find manual for this ecu


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External eeprom reading by Galletto no way!
Not possible.

I think it is an 95160 eeprom, you need an eeprom
reader/writer to deal with that eeprom.

My best regards.
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17-10-2016, 11:17 AM,
Post: #23
Need help with Galletto 4 to connecto to ecu pls...
Yes it is 95160 .I can read it with UPA but i have seen BDM connector on the PCB[SMIRKING FACE]


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17-10-2016, 11:40 AM,
Post: #24
RE: Need help with Galletto 4 to connecto to ecu pls...
Yes, there should be BDM connector but it is for the flash memory r/w and/or cpu r/w.
The BDM should be maybe for the Galletto too and for other tools too, but as I described in may earlier post, all that tools are specialized for tuning purpose and not for servicing purpose.
So, they are not specified to read simple serial eeproms etc...

I hope I helped.
My best regards.
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17-10-2016, 12:13 PM,
Post: #25
Need help with Galletto 4 to connecto to ecu pls...
You are right ,
but i still can't find any manual or any documents about BDM connector in this specific ECU IAW5NF.


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17-10-2016, 15:17 PM,
Post: #26
VScion  RE: Need help with Galletto 4 to connecto to ecu pls...
(17-10-2016, 12:13 PM)mikroel Wrote:  You are right ,
but i still can't find any manual or any documents about BDM connector in this specific ECU IAW5NF.


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So, here is what I think about the BDM on that ECU:
The BDM should be connected to the flash chip, which one is the flash IC I don't know because I have right now no such of ECU like yours.

I would try to measure the trace between the flash IC and the BDM connector and compared the pin's from the flash IC with the datasheet of the flash IC.

So you can actually figure out the BDM pinout.
Of course it could be a mixed BDM pinout too, with access to other uC or memory component but I don't think this is the case here...

The 95160 eeprom I would desolder and r/w out of the board if it is not possible to r/w on-board with shorted out osc.
Here is a picture with maybe the test points to access the eeprom.
[Image: WtSx5sq.jpg]

I hope this will help you forward.
My best regards.
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17-10-2016, 16:01 PM,
Post: #27
Need help with Galletto 4 to connecto to ecu pls...
With UPA it can be done, but with a special cable and without removing the ST72251, of course, using different points as compared to your picture.I will check BDM connections but in the documents of FGTech V54 I didn't see any instructions about this BDM on ECU .Only OBD and only DATA can be read .Very strange that it can't be done with FGTech because i know that some other simpler devices can read/write data + eeprom from this ECU over OBD.

Also I can't see in FGtech documents boot mode instruction
for this ecu .Anybody know something about this ?

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17-10-2016, 16:16 PM,
Post: #28
RE: Need help with Galletto 4 to connecto to ecu pls...
(17-10-2016, 16:01 PM)mikroel Wrote:  With UPA it can be done, but with a special cable and without removing the ST72251, of course, using different points as compared to your picture.I will check BDM connections but in the documents of FGTech V54 I didn't see any instructions about this BDM on ECU .Only OBD and only DATA can be read .Very strange that it can't be done with FGTech because i know that some other simpler devices can read/write data + eeprom from this ECU over OBD.

Also I can't see in FGtech documents boot mode instruction
for this ecu .Anybody know something about this ?

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I checked too but no information about your ecu in galletto.

Maybe somebody could check who have the original version of galletto?

Is here anybody with original galletto who may help?
Thanks.

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17-10-2016, 18:10 PM,
Post: #29
RE: Need help with Galletto 4 to connecto to ecu pls...
Μaybe you need this pdf.


Attached Files
pin out marelli 5nf-t1.rar
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Size: 125.41 KB

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21-10-2016, 19:09 PM,
Post: #30
Need help with Galletto 4 to connecto to ecu pls...
Today i have tried read 5NF.T2 over OBD but it was stop on 75% with some message "...send log file to our team...." or something similar. MPPS read it without problem .[PENSIVE FACE]


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