openecu.org

i have read about Pc- Subby ecu interface:
It is simple K-line adaptor for ISO 9141-1 protocol.
It is of max232 and mc33199 and a couple of capasitors.
Nothing more.


so in subyecu.html i have read:
The subaru select monitor protocol uses an ISO9141 interface and uses UART settings: 4800 bps n, 8, 1 all data is sent and recieved using small packets that all share a common header.


now i think that a simple k-line interface will work
i will do this http://www.planetfall.com/~jeff/obdii/ and try

bye

jeff face is a good device in the item of optoisolating all signals incl. sys ground
but the leveling point leaves much to be desired.

U better use the scheme that I've send you by email
I can put it at my site
www.obd.n1.by (it is our permanent address on the payment basis that contain link to the free-servers where we put all our info about Carsoft BMW, Mersedes, Uniscan 1.83 and others "copy-lefted" materials

The max232 and motorola scheme are proven K-line with no leveling questions. We use if for subaru and other iso-9141-x cars.

But is is only K-line.
L-line does not work there.
For real trensmitted L u need modification as for double K line (for some VAG models)

wbr
Guerra

copy left

i have do my k-line inferface and ....


IT WORK!!!




jeff interface, and my qbasic soft on screen

i'm happy

does it write in RAM ?

i don't know if the adress are to ram or to rom.
but i don't try to write some random data where i can do a lot of mistake

Has anybody tried a Neo-SPI box on the Subarus yet? I've been able to communicate across Honda K-line and UART buses pretty easily with these tools before. They are pretty pricey (about $2K) but well worth the $$$ for developement.

...also, someone might have laying around the office somehwere.

Imp Guerra,

that site is very interesting.. (at least the parts i can read in english)


I don't know where i can get the hardware I need to interface with the ECU.

You seem to know of something better to use then the "Jeff Interface" Do you know where I can buy a working interface cable or where i can get parts/schematics to make one in the US?

thanks!

schematics are on http://www.planetfall.com/~jeff/obdii/
parts you can order to local electronic shop,like 6$ of components

or you can ordet by internet

see http://freediag.sourceforge.net/Support ... faces.html

I just put together Andy Whittaker's OBD-II ISO9141 interface. Now I just need some sofware to test it with. I dont have a native linux OS on this laptop so im going to find out how VMware's serial support is and try the freediag stuff... if that doesnt work, i will try to build it in knoppix or something.

here are some pics... i used the freediag software to make sure it works and it did. Now i just need some softare that can do SSM to see if that part works.


[/img]

Imp Guerra: Whats the deal with the XiDash software? It says its free on your site. Looks pretty much like exactly what we are doing?!? As a first step of course minus reflashing which is what we are really after.

if it is indeed free thats great! where can we get it?

my software is free. check it out at www.tari.co.za