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  1. #1
    Veteran Member Three Rings
    Join Date
    Jun 02 2004
    AZ Member #
    2354
    My Garage
    2008 A4 2.0
    Location
    Rockford IL

    ECU pin wire diagram for the (2) CCT sensor wires?

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    Hey guys, here's the deal... I've had starting issues for months. I've replaced about everything including the cam chain tensioner (last night)... all the sensors etc etc. Now I am down to checking the continuity of the sensor wires to the ECU. All (3) cam sensor wires check out (I also replaced the cam sensor and crank sensor).
    Anyway, I aM trying to check the CCT sensor wires now. One is light brown and one is dark brown and green. I cannot easily locate them on the ECU harness so I wanted to double check pin locations... Does anyone have the pin diagram? I think I have located them and so far they do not have continuity. Which could explain my starting problems... but before I run new wires I definitely need to know that I am replacing the correct ones before I mess it all up.
    ANY help is very appreciated!
    Thanks

  2. #2
    Veteran Member Three Rings
    Join Date
    Dec 15 2011
    AZ Member #
    85314
    Location
    Edmonton Alberta

    Quick question, are you getting codes for camshaft advance/retard or open circuit/shorts to ground on the tensioner?
    -Richard-
    2009 Rabbit. 1961 VW Beetle Canadian Std. 2012 Ram 1500.
    Darsh Import/Dubsport Inc... My very own VW/Audi parts and service shop
    Certified VW/Audi Tech 20 years +

  3. #3
    Veteran Member Three Rings
    Join Date
    Jun 02 2004
    AZ Member #
    2354
    My Garage
    2008 A4 2.0
    Location
    Rockford IL

    Actually guys, I think the one wire is dark brown and blue! not green

    I have been getting 0340 and 0343 codes. My timing is good and car runs smooth. sometimes it takes one try to start and sometimes 6-7. I've done everything... these little wires are so hard to track. I'm not even 100% sure the CCT wires go into the ECU. I would think they would. And I don't know why both would have a broken connection when they are all wrapped together. I haven't found any continuity with the CCT plug and any pin on the ECU plug. either they are both broke somewhere or they do not go to the ECU. If they do go to the ECU then I think I may have found my problem... but I need to check for sure. That's why I'm asking people here if they have a diagram of the ECU pins...

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