How to Make a OBD2 Diagnose??
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This is a discussion on How to Make a OBD2 Diagnose?? within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Hello. I bought an ebay cheap obd2 usb interface, but my doubt is how is the right procedure to make ...

  1. #1
    Registered User FORESTERSTI's Avatar
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    How to Make a OBD2 Diagnose??

    Hello.

    I bought an ebay cheap obd2 usb interface, but my doubt is how is the right procedure to make a diagnose and /or a code reset.

    There are a green test mode connectors and they get me confused

    Thanks for the help

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    You shouldn't need to use any connectors?

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    Registered User mudferret's Avatar
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    You can pull codes without having to connect the test connectors; only the OBDII port itself.. Aside from having to hook them up when I reflashed my ECU I have no idea what they're for.

    I read/cleared a code just this morning, no test connector fiddling required.
    ...Rob.
    MMVI WRX - VF43 Airboy Tuned @ 3500'

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    Registered User FORESTERSTI's Avatar
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    Thank you for the feedback.

    So, i presume the procedure is as follows

    Turn on the laptop
    opne the obd2 software
    conect usb to obd2
    turn on the ignition key engine on or off??

    read???

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    Registered User mudferret's Avatar
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    Key to the on position should do the trick, engine doesn't have to be on.
    ...Rob.
    MMVI WRX - VF43 Airboy Tuned @ 3500'

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