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Thread: Rear Windows - switches or ECU?

  1. #1
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    Rear Windows - switches or ECU?

    My rear windows work fine from the centre console but cant be opened or closed from the actual door switches.
    Should I go straight to the ECU or look inside the doors for obvious problems?
    Have had a look in the DS door and all seems fine.

    thanks

  2. #2
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    Dry joints on the PCB is the usual issue, fixed mine then they stopped working about 2 years later.
    Sold it so no more problems.
    MY08 TDV6 SE D3- permagrin ooh yeah
    2004 Jayco Freedom tin tent
    1998 Triumph Daytona T595
    1974 VW Kombi bus
    1958 Holden FC special sedan

  3. #3
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    Could also be a dud connection at the isolation switch too.
    Arthur.

    '99 D1 300Tdi Auto
    '03 D2 Td5 Auto

  4. #4
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    Quote Originally Posted by AK83 View Post
    Could also be a dud connection at the isolation switch too.
    Which switch do you mean?

  5. #5
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    My rear windows work fine from the centre console but cant be opened or closed from the actual door switches.
    Sorry if it sounds ridiculous, or obvious, but the central switch on the window switch panel beside driver, turns the rear door window switches on or off.
    Have you checked this switch.

  6. #6
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    Quote Originally Posted by Ronski View Post
    Sorry if it sounds ridiculous, or obvious, but the central switch on the window switch panel beside driver, turns the rear door window switches on or off.
    Have you checked this switch.
    Yeah, small square one.

    Locks out the rear window switches, but allows the centre console switches to still operate.

    2 possibilities!

    Someone may have inadvertently pressed it and now rear switches don't work

    OR

    IIRC, it's earth based, and simply cuts the earth to the rear switches. if the switch has dudded itself, or an earth connection along it's path has come loose, it's like having that switch set to off so rear door switches don't work too.
    Arthur.

    '99 D1 300Tdi Auto
    '03 D2 Td5 Auto

  7. #7
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    Quote Originally Posted by Ronski View Post
    Sorry if it sounds ridiculous, or obvious, but the central switch on the window switch panel beside driver, turns the rear door window switches on or off.
    Have you checked this switch.
    Well yes I have tried it in both positions and makes no diff. But good idea I will pull it out and inspect it.

  8. #8
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    If you pull the switch, going off RAVE, the switch is a simple switch that bridges two earths.
    Grey and Green wires goes to the rear door switches, and there should be a black wire on the disable switch that goes to earth too.

    Disabled is when the earth is not connected.
    If you bridge the Grey/Green wire to the black wire the rear door switches should be re-enabled again.

    If not, could be a wire/splice/join damaged elsewhere.
    Arthur.

    '99 D1 300Tdi Auto
    '03 D2 Td5 Auto

  9. #9
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    Quote Originally Posted by edddo View Post
    Well yes I have tried it in both positions and makes no diff. But good idea I will pull it out and inspect it.
    Haha never assume that I check the obvious.
    The plug had fallen off the back of the rear window console switch.
    I refitted it and the DS rear worked fine but the PS only went down.
    Cleaned the switch and voila!..All working.

    thanks to all.

  10. #10
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    Switch

    Carefully pull the switch apart. Inside will be a piece of metal with points on it, clean it and form the piece of metal so as to make better contact. Should be fine , I did it on a D3 switch.
    Just old style mechanical points.

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