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Thread: OBDII Cable Schematics?

  1. #1
    Join Date
    Apr 2005
    Zagreb, Croatia

    Smile OBDII Cable Schematics?

    hi! is there some link or something where i could find RS232-OBD2 or USB-OBD2 cable schematics for VW Passat,1997 ?

  2. #2
    FLAC Chairboy's Avatar
    Join Date
    Jan 2004

    It's a LOT more complicated then just wiring a serial connector to one end. This link offers a kit where you can make your own adapter, or you can buy one premade.
    Chrysler 300 - Fabricating

  3. #3
    Join Date
    Apr 2005
    Zagreb, Croatia
    thanks!!! o, is it possible to reprogramm ECU without pulling it out on this car model?

  4. #4
    Constant Bitrate
    Join Date
    Mar 2004
    Metamora, MI
    "All" ECUs are reprogrammable without being uninstalled. You will need a reflasher hardware / software and availability to the flash binary files. Well beyond hobbyist budget but every day in every dealership. The methods to flash a vehicle are becoming more standard, but until now, all vehicles are flashed in an OEM proprietary method. The normalized method is called "Pass thru reprogramming".

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