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VAG-COM connection cables - wiring diagram.
This is a discussion on VAG-COM connection cables - wiring diagram. within the Diagnostics & VAG-COM forums, part of the General Motoring Discussions category; Having looked at various web pages offering VAG-COM cables at silly prices I'm after a wiring diagram and connector details ...
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13-11-2004, 22:53
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| Briskodian Join Date: Jan 2004 Location: Up a tree.
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|  VAG-COM connection cables - wiring diagram. Having looked at various web pages offering VAG-COM cables at silly prices I'm after a wiring diagram and connector details for the thing. We wire hundreds of looms at work each week and I can assure you that the VAG-COM lead would cost less than £5 to make. |
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13-11-2004, 22:59
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| Briskodian  Join Date: Feb 2004 Location: Lincolnshire
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| Are you offering to make serial cable for use with VAG-COM? |
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13-11-2004, 23:23
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| Hairy Yeti  Join Date: Sep 2003 Location: Newport Pagnell
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| Please remember that any plug connecting to the diag port on your car should have a longer earth pin than the others to prevent damage to your vehicle ECU's.
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14-11-2004, 14:15
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Chris
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15-11-2004, 11:00
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15-11-2004, 11:51
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15-11-2004, 14:18
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| Briskodian  Join Date: Dec 2003 Location: Lancashire
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| On the SK Pang website are details of the intelligent interface rather than the optical type. The chips to make the intelligent interface are available from SK Pang and cost abot £8 but are surface mounted and will require a printed circuit board designing for these chips. The compoent count is much lower using these chips and it will work with the latest VAG-com software (400 series). The OBDII plugs are available from the States but the suppliers require a minimum purchase of $50, otherwise they can be bought from Andy Whittaker for about £8 each. Hope this is of use. Dougal |
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15-11-2004, 22:03
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| Briskodian Join Date: Jan 2004 Location: Up a tree.
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| Cheers - I'll keep you posted |
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25-11-2004, 14:11
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| Have a look at this site: http://www.planetfall.com/~jeff/obdii/ There are schematics for an opto-isolated RS-232 to OBD-II interface, as well as a PCB layout. It doesn't actually include the ODB-II connector, but the pinouts are compatible with one of these: http://www.gendan.co.uk/viewproduct....oduct=STNCBLO2 I can even give you the RS part numbers for the components: 110-185 Opto Coupler, transistor, UL E524 Approv 294-312 Transistor, Bipolar, NPN, 2N3904 446-5209 Connector, rectangular, multipole, D, pl 446-5243 Connector, rectangular, multipole, D, so 261-176 Diode, Rectifier, 1N4004 115-607 Capacitor, metallised polyester, film, m 148-506 Resistor, metal film, 0.25W, 1%, 1k 148-736 Resistor, metal film, 0.25W, 1%, 10k 148-540 Resistor, metal film, 0.25W, 1%, 1k5 149-026 Resistor, metal film, 0.25W, 1%, 150k I built one for myself, and it came to about £35 including the cable, delivery etc. Would definitely be cheaper in quantity (and not getting the bits from RS!). And yes, it works. |
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25-11-2004, 17:04
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| Would a USB interface cable be more difficult/expensive to make?
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26-11-2004, 07:57
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26-11-2004, 08:42
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26-11-2004, 10:31
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| Cheers I thought it was very cheap !
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| Diagnostics & VAG-COM [Archive] - BRISKODA - The Skoda Forum and Community | This thread | Refback | 03-10-2006 19:33 | |
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