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  #1  
Old 07-19-2007, 12:50 PM
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Lightbulb Can I make my own scanner for W140 and ODB-II?

I was wondering if it is possible to invent an own scanner for W140 and ODB-II just to get an rest the codes. I'm really so interested about it. If I can, from where shall i start?
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380SE 1984 <------- Totaled by flipping accident
300SE 1988 <------- Sold
Volvo S70 2000 <---- 4 family
Opel Omega 2002 <-- 4 family
560SEC 1989 <------ Sold
560SEL 1990 <------ Sold
560SEL 1991 <------ 4 my mother
560SEL 1989 <------ Sold
600SEL 1992 <------ Current


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  #2  
Old 07-19-2007, 01:11 PM
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Just make an interface for your laptop.

There are many out there, but now they are so cheap , $50] ,it is not worth making one.

Here is ISO
http://www.scantool.net/schematics.html

China is pumping them out now with ELM323 IC and USB port for cheap.
Here is Benz ISO one.

http://cgi.ebay.com/ebaymotors/ELM323-USB-ISO-OBD2-Scan-Tool-Interface-OBDII_W0QQcmdZViewItemQQcategoryZ43989QQihZ009QQitemZ190131981392QQrdZ1

Last edited by Arthur Dalton; 07-19-2007 at 01:39 PM.
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  #3  
Old 07-19-2007, 01:38 PM
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Quote:
Originally Posted by Arthur Dalton View Post
Just make an interface for your laptop.

There are many out there, but now they are so cheap , $50] ,it is not worth making one.

Here is ISO
http://www.scantool.net/schematics.html
Well you are right but I like to make one my own, can I?
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Master Computer Engineer, A+, Network+, MCP/MCSA/MCSE 4/2k/2k3 - Messaging, MCTS, MCITP, MCT, Brainbench, ICDL and starting Ph.D

380SE 1984 <------- Totaled by flipping accident
300SE 1988 <------- Sold
Volvo S70 2000 <---- 4 family
Opel Omega 2002 <-- 4 family
560SEC 1989 <------ Sold
560SEL 1990 <------ Sold
560SEL 1991 <------ 4 my mother
560SEL 1989 <------ Sold
600SEL 1992 <------ Current


http://search.ebay.com/_W0QQsassZkhazenzcc
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  #4  
Old 07-19-2007, 01:41 PM
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I don't know, ..Can you??
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  #5  
Old 07-19-2007, 01:48 PM
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I'm trying... But what I need are diagrams and software.
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Master Computer Engineer, A+, Network+, MCP/MCSA/MCSE 4/2k/2k3 - Messaging, MCTS, MCITP, MCT, Brainbench, ICDL and starting Ph.D

380SE 1984 <------- Totaled by flipping accident
300SE 1988 <------- Sold
Volvo S70 2000 <---- 4 family
Opel Omega 2002 <-- 4 family
560SEC 1989 <------ Sold
560SEL 1990 <------ Sold
560SEL 1991 <------ 4 my mother
560SEL 1989 <------ Sold
600SEL 1992 <------ Current


http://search.ebay.com/_W0QQsassZkhazenzcc
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  #6  
Old 07-19-2007, 01:58 PM
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I'm going to guess "No".

If you weren't able to understand Arthur's answer regarding the simple interfaces you can buy, then I doubt you have what it takes to create your own and write the software to support it.

Or maybe I'm wrong, maybe I misunderstood your question and just what it was that you wanted to do, and what you truly lack is the understanding of how to put together a question on a Mercedes message board.

MV
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  #7  
Old 07-19-2007, 03:55 PM
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Exclamation

Quote:
Originally Posted by BAVBMW View Post
I'm going to guess "No".

If you weren't able to understand Arthur's answer regarding the simple interfaces you can buy, then I doubt you have what it takes to create your own and write the software to support it.

Or maybe I'm wrong, maybe I misunderstood your question and just what it was that you wanted to do, and what you truly lack is the understanding of how to put together a question on a Mercedes message board.

MV
Well I live in Kuwait. I wish if I have someone to trust to ship them for me, but as you know the Internet is full of scammers and I've been scammed once.
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Master Computer Engineer, A+, Network+, MCP/MCSA/MCSE 4/2k/2k3 - Messaging, MCTS, MCITP, MCT, Brainbench, ICDL and starting Ph.D

380SE 1984 <------- Totaled by flipping accident
300SE 1988 <------- Sold
Volvo S70 2000 <---- 4 family
Opel Omega 2002 <-- 4 family
560SEC 1989 <------ Sold
560SEL 1990 <------ Sold
560SEL 1991 <------ 4 my mother
560SEL 1989 <------ Sold
600SEL 1992 <------ Current


http://search.ebay.com/_W0QQsassZkhazenzcc
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  #8  
Old 07-19-2007, 04:02 PM
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Then make your own
I gave you the schematic .. get the parts and solder it up.
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  #9  
Old 07-19-2007, 04:27 PM
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Sure I need them. Thanks a lot. But where are they?
__________________
Master Computer Engineer, A+, Network+, MCP/MCSA/MCSE 4/2k/2k3 - Messaging, MCTS, MCITP, MCT, Brainbench, ICDL and starting Ph.D

380SE 1984 <------- Totaled by flipping accident
300SE 1988 <------- Sold
Volvo S70 2000 <---- 4 family
Opel Omega 2002 <-- 4 family
560SEC 1989 <------ Sold
560SEL 1990 <------ Sold
560SEL 1991 <------ 4 my mother
560SEL 1989 <------ Sold
600SEL 1992 <------ Current


http://search.ebay.com/_W0QQsassZkhazenzcc
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  #10  
Old 07-19-2007, 06:02 PM
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Quote:
Originally Posted by zcc View Post
Sure I need them. Thanks a lot. But where are they?

Open your eyes .
They are in the first post I did. Post #2.

..but you are asking for OBD2..and OBD2 is not analog, it is Digital.
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  #11  
Old 07-19-2007, 09:09 PM
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now I got them, thank u so much
__________________
Master Computer Engineer, A+, Network+, MCP/MCSA/MCSE 4/2k/2k3 - Messaging, MCTS, MCITP, MCT, Brainbench, ICDL and starting Ph.D

380SE 1984 <------- Totaled by flipping accident
300SE 1988 <------- Sold
Volvo S70 2000 <---- 4 family
Opel Omega 2002 <-- 4 family
560SEC 1989 <------ Sold
560SEL 1990 <------ Sold
560SEL 1991 <------ 4 my mother
560SEL 1989 <------ Sold
600SEL 1992 <------ Current


http://search.ebay.com/_W0QQsassZkhazenzcc
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  #12  
Old 07-19-2007, 09:30 PM
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Quote:
Originally Posted by zcc View Post
I was wondering if it is possible to invent an own scanner for W140 and ODB-II just to get an rest the codes.
Your signature mentions a '92 W140...If that's the car you want to scan codes on, then you don't want OBDII, because that car is OBDI.

But if the car you want to design a scanner for is OBDII compliant, then I suggest setting your sights higher and create a device that will read codes from all systems on the car instead of just the drivetrain (that's what OBDII is limited to).
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