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Old 16-11-2008, 02:09 PM   #1
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what do i need to connect a laptop via Carsoft v7.4 to diagnose

Hello, I'm looking for a DIY home diagnostics now, how could i connect my laptop or PC or whatever computer to get codes readed from ODBII in my 1998 old diesel merc , and now i have CarSoft v7.4 but i don't know what kind of cable i need to coonect from 38pin socket to a laptop ? i have a rs232 port on laptop .
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Old 16-11-2008, 02:21 PM   #2
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If you don't mind a bit of wiring one of these will do the job

I've one wired to a serial port socket, but yet to get hold of a copy of carsoft to try it out with (must get around to it).
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Old 16-11-2008, 02:53 PM   #3
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http://cgi.ebay.co.uk/Mercedes-Benz-OBD-2-Carsoft-7-4-Compatible-Diagnostic_W0QQitemZ370113904801QQcmdZViewItem?has h=item370113904801&_trksid=p3286.c0.m14&_trkparms= 72%3A1345|66%3A2|65%3A12|39%3A1|240%3A1318
could i use some of those ?
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Old 16-11-2008, 02:57 PM   #4
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Quote:
Originally Posted by stevesey View Post
If you don't mind a bit of wiring one of these will do the job

I've one wired to a serial port socket, but yet to get hold of a copy of carsoft to try it out with (must get around to it).
Will that work with a 38 pin socket due to prootcol. Did MB use ISO9141.?

Also you will require a multiplexer or breakout box, or probe each pin individually.
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Old 16-11-2008, 02:59 PM   #5
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could i use some of those ?
probably.
I'd be interested to see if this works.
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Old 16-11-2008, 03:07 PM   #6
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also this one is kind a not chineese, and price is almost acceptable
but 30% for shippment to Lithuania is a sky high price...
http://cgi.ebay.co.uk/ws/eBayISAPI.d...MakeTrack=true
this one is secon hand one. i rathher go for this one.. and i will offer my local guys some cheaper diagnostics for mercedes
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Old 16-11-2008, 03:10 PM   #7
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Will that work with a 38 pin socket due to prootcol. Did MB use ISO9141.?

Also you will require a multiplexer or breakout box, or probe each pin individually.
I believe pin 15 on the 38 pin is ISO9191 K-line

Yes I'm planing to probe individually if I want other systems.
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Old 16-11-2008, 03:19 PM   #8
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I believe pin 15 on the 38 pin is ISO9191 K-line

Yes I'm planing to probe individually if I want other systems.
Maybe on the petrol engined cars, but 230k's experience found that to not be the case on diesels as the UK cars weren't OBDII complient before 2002, even though USA ones were from 1996.
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Old 16-11-2008, 04:18 PM   #9
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Maybe on the petrol engined cars, but 230k's experience found that to not be the case on diesels as the UK cars weren't OBDII complient before 2002, even though USA ones were from 1996.
Most importantly there was no need to have the diesel models compliant because none were shipped to the USA, unlike the petrol models.
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Old 16-11-2008, 04:21 PM   #10
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Most importantly there was no need to have the diesel models compliant because none were shipped to the USA, unlike the petrol models.
There were of course MB diesel cars shipped to USA and they had OBDII.

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Old 16-11-2008, 04:23 PM   #11
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There were of course MB diesel cars shipped to USA and they had OBDII.
Really? I didn't know that! Which diesel 210s were there?
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Old 16-11-2008, 04:28 PM   #12
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Hi

E300 D and E300 Turbodiesel.

Have a look here http://www.mercedesshop.com/shopforu...splay.php?f=15

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