Diagnostic issue
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This is a discussion on Diagnostic issue within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; i got an 02 wrx...when i first got the car it wasn't throwing out codes, but when i checked out ...

  1. #1
    Registered User bluedevil21's Avatar
    Join Date
    May 2009

    Exclamation Diagnostic issue

    i got an 02 wrx...when i first got the car it wasn't throwing out codes, but when i checked out under the steering column there was a disconnected wire, when connected it threw out a code, pretty sure its the o2 sensor, but idk...NEED ADVICE

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  3. #2
    Moderator Donkey's Avatar
    Join Date
    Apr 2005
    Da boonies
    I Support ClubWRX
    ..........disconnect the wire.Some of those connectors under the dash are diagnostic connectors for the ECU.They are only ment to be connected to access the ECU.
    Resident Adviser @ WTF Tuning, LLC
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  4. #3
    Sammich Makin' Pwincess wrxtreme06's Avatar
    Join Date
    May 2007
    orlando flawduh
    I Support ClubWRX
    there are "test mode connectors" under the driver steering column. these are supposed to be connected to flash your ECU. they should be green in color & when hooked up put your car in test mode.

    if you have a 2.0L, there is another initialization connector that is translucent white (located near the green ones). if you have an 02 wrx, it connects to a blue plug. if it is 03-05's there is a solid white one that the translucent plug goes into.

    as donkey said, if any of these are plugged together, unplug them
    Last edited by wrxtreme06; 07-05-2009 at 07:50 AM. Reason: added more info

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