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Climate upgrade - PIN out help!

Discussion in 'A3/S3 Forum (8L Chassis)' started by mordz, Apr 21, 2007.

  1. mordz
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    mordz Audi S3 (2000)

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    [Apr 21, 2007]
    hi guys, in the middle of my double din dash conversion and testing the buttons and climate unit.

    can anyone tell me what this is (circled in red.) bottom unit is old.

    the only thing i can think is that its the 12V in (since the climate unit doesnt power up. )

    i have 2 spare plugs from the old dash, one is a 12v to the climate fan (the thing that sucks air in over the thermostat for cabin temp). and a 2 wire plug that went to the thermostat i guess for sending the temp to the climate unit, all this is built into the new climate unit.

    ta for help

    [​IMG]
    #1
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  3. mordz
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    mordz Audi S3 (2000)

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    [Apr 21, 2007]
    in my frustration i hooked up 12v to it but it just took out the aircon fuse.

    anyone any ideas. cant get it working
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  4. Dave B
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    Dave B REALITY?.... WHERE AM I AGAIN?.... WHO AM I AGAIN?

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    [Apr 21, 2007]
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  5. mordz
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    mordz Audi S3 (2000)

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    [Apr 22, 2007]
    its 2000 pre face lift to face lift - doing the double din upgrade.

    all parts ordered from vag parts the the guy got me the right units as per the model number of the old. bloody thing dont work though.

    with the size of them spades it must be power .. cant think what else?!
    #4
  6. mordz
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    mordz Audi S3 (2000)

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    [Apr 23, 2007]
    please can someone help... im really stuck - and without aircon.
    #5
  7. mordz
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    mordz Audi S3 (2000)

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    [May 4, 2007]
    ok so i got an electronic parts catalogue off ebay, but it didnt have a schematic for the climate unit.

    i contacted VAGparts to see if they could help and they sent me the following PDF which is the pin out i guess. unfortunatly its a bit beyond my knowlage so would appreciate some help guys.

    Thanks

    http://www.splitsec.co.uk/icar/climate.pdf

    :uhm:

    hmm i know there are bits missing off that so i have registered with https://erwin.audi.com/erwin/showHome.do
    to see if i can get a better diagram
    #6
  8. mordz
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    mordz Audi S3 (2000)

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    [May 5, 2007]
    had to pay to use the silly Audi Erwin resource for 24 hours (rip or what) wont even let me print or download.. luckily i could screen grab.

    so i took one of this. couldnt find a pin out at all but atleast i know what its for. can anyone tell me what pin its what? on the old dash its a seperate switch with 4 wires.

    [​IMG]
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  9. HTC
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    HTC Active Member

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    [May 5, 2007]
    That PDF you got from VAG Parts is too old for your unit.

    Pin 1 goes to the heated rear window, pin 2 goes to a 25amp fuse in the fuse box.
    #8
  10. mordz
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    mordz Audi S3 (2000)

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    [May 6, 2007]
    Tried this,

    All that happens is that the wires to pin 1 and 2 get warm still get bizzare issues and the climate unit doesnt power on.

    think im going to have to revert back to single din. :( unless anyone has any other ideas / suggesstions?
    #9

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