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Thread: Ignition off fan E78

  1. #1
    Tuner in Training
    Join Date
    Jun 2022
    Posts
    23

    Ignition off fan E78

    Hi,

    I have a 2017 Opel Corsa E with the GM Family 0 1.4T engine and E78 ECM.
    I'm trying to make the fans to come on after the car is turned off but it seems that the settings have no effects.

    Fans_1.png
    Fans_2.png

    With this settings and engine coolant temp at +95?C, nothing happens when ignition is cut.
    But my fans do work whenever I have A/C on or when the engine gets too hot.

    Thanks!
    Last edited by Spcbrn; 08-25-2022 at 04:01 AM.

  2. #2
    Senior Tuner
    Join Date
    Nov 2017
    Posts
    1,454
    Have you checked the wiring diagrams to ensure that power to the fan is available with ignition off. Just because the table is there doesn't mean that the rest of the system can use it.

  3. #3
    Quote Originally Posted by Spcbrn View Post
    Hi,

    I have a 2017 Opel Corsa E with the GM Family 0 1.4T engine and E78 ECM.
    I'm trying to make the fans to come on after the car is turned off but it seems that the settings have no effects.

    Fans_1.png
    Fans_2.png

    With this settings and engine coolant temp at +95?C, nothing happens when ignition is cut.
    But my fans do work whenever I have A/C on or when the engine gets too hot.

    Thanks!
    FZFx0m6hrF.png

    This is how it's set up on mine.
    Same car, except newer year.

    The fan does turn on after i turn the car off, but only after i heat it up real good with aggressive driving.

  4. #4
    Tuner in Training
    Join Date
    Sep 2021
    Posts
    46
    Mine runs after every shut off as long as I reached my target temp. I'm not sure how I have it set up, but I'll get some info up when I get home in a few hours.

  5. #5
    Tuner in Training
    Join Date
    Jun 2022
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    27
    Did you get home now after one week?

  6. #6
    Tuner in Training
    Join Date
    Sep 2021
    Posts
    46
    Haha. My bad. Lol. Ok so here are my settings.
    Under control by ECT/Desired ECT - 194 all zones
    System/Fans/Ignition off -
    Run time max - 240 sec
    Run time zone - 240 all zones
    ECT zone - 207 all zones
    ECT zone hi - 248 all zones
    Enable ECT A - 207 f
    Enable hi ECT - 248 f
    Fan % - 52
    Fan hi % - 97

  7. #7
    Tuner in Training
    Join Date
    Jun 2022
    Posts
    27
    Quote Originally Posted by Simplyjesse View Post
    Haha. My bad. Lol. Ok so here are my settings.
    Under control by ECT/Desired ECT - 194 all zones
    System/Fans/Ignition off -
    Run time max - 240 sec
    Run time zone - 240 all zones
    ECT zone - 207 all zones
    ECT zone hi - 248 all zones
    Enable ECT A - 207 f
    Enable hi ECT - 248 f
    Fan % - 52
    Fan hi % - 97
    Much appreciated. I will try your setting on my car.