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Auto climate control

Discussion in '3rd Gen. Tacomas (2016+)' started by TacoTim85, Jan 14, 2020.

  1. Jan 14, 2020 at 9:18 PM
    #1
    TacoTim85

    TacoTim85 [OP] Typical stick shift owner

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    Does your auto climate control ever auto select the defrost/floor vents split setting?

    Does your auto mode allow windows to fog up?

    My auto climate control turns on AC to dehumidy, but I've never seen it switch into defrost mode even when my windshield/windows are starting to fog on the inside.

    I put off alot of body heat so this happens often lately during winter.

    Anyway, I found it curious that my auto mode allows some fogging. Previous vehicles have not allowed any fogging on auto mode at all.

    To fix this in the Taco, I just hit the defrost button....but that takes it out of auto mode. So what's the point of auto? Lol
     
    shakerhood likes this.
  2. Jan 14, 2020 at 9:23 PM
    #2
    shakerhood

    shakerhood Well-Known Member

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    Agreed, you have to push the windshield defroster button to select the airflow.
     
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  3. Jan 14, 2020 at 9:52 PM
    #3
    TacoTim85

    TacoTim85 [OP] Typical stick shift owner

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    I can also hit the mode button for split defrost and floor, but that also takes it out of auto.

    I just thought the auto climate wouldn't allow it to fog at all. And I guess my F150 was a bigger cab so I wasn't mouth breathing so close to the windshield. :rolleyes:
     
    shakerhood likes this.
  4. Jan 14, 2020 at 9:59 PM
    #4
    troutspinner

    troutspinner Fishing Addict

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    I’m coming from a full size as well and I am noticing the same thing as you, a little fogging around the edges. Kind of makes sense though. I’m sure you noticed how close the windshield was to you when you first got in a Tacoma vs your F150. I have seen it change modes on its own though so I guess it just depends on temp, not sure if it measures humidity.
     
  5. Jan 14, 2020 at 10:05 PM
    #5
    TacoTim85

    TacoTim85 [OP] Typical stick shift owner

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    Did it actually auto select defrost ever?
     
  6. Jan 14, 2020 at 10:07 PM
    #6
    Bishop84

    Bishop84 Well-Known Member

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    On warm up it does defrost foot.

    But most of the time its foot or panel(face)
     
  7. Jan 14, 2020 at 10:11 PM
    #7
    TacoTim85

    TacoTim85 [OP] Typical stick shift owner

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    Parked and idling only or while driving, too?
    Still haven't seen it automatically go defrost in mine yet. Just trying to understand the system and adjust my expectations.
     
  8. Jan 15, 2020 at 6:11 AM
    #8
    troutspinner

    troutspinner Fishing Addict

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    Yes it has.
     
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  9. Jan 15, 2020 at 6:21 AM
    #9
    Icancounttotensometimes

    Icancounttotensometimes Active Member

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    I think the split windshield/floor has to do with outside temp. I’ve noticed it split only on very cold mornings, single digits outside. Just my thoughts. I live in CO no fogging for me. I use auto all the time however I shut off the ac all the time. Auto select ac on so I shut it off, I don’t use ac until the outside temp is too warm to cool the cabin.
     
  10. Jan 15, 2020 at 6:44 AM
    #10
    TacoTim85

    TacoTim85 [OP] Typical stick shift owner

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    I did notice this morning it switched itself to defrost/floor split. I let her run with the manual defrost on in my driveway then hit the auto button when I jumped in. It then went to split on its own. Outside was 32 degrees. No problems with fogging really. Just noticed it slightly fogs and i have to select defrost manually sometimes instead of auto. Was curious how this auto system works.
     
    Tripod1404 likes this.
  11. Jan 15, 2020 at 8:42 AM
    #11
    FourWD

    FourWD Well-Known Member

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    Should have gotten the PRO
    What i understand about the "auto climate" is it will turn up/down the fan speed depending on temp. Say you turn on auto climate and adjust the temp to HI, it will set the fan to the fastest setting automatically. ex. 80F will turn the fan to maybe 4 bar setting. Pressing any button other than the Temperature dial will break the auto climate mode except defoggers on mirrors and windshiled i think.
     
  12. Jan 15, 2020 at 8:55 AM
    #12
    Baerskin

    Baerskin Rocking in the Free World

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    It’s -29 here today :( I need me some more heater
     
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  13. Jan 15, 2020 at 9:08 AM
    #13
    Tripod1404

    Tripod1404 Well-Known Member

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    Yes, it does go into foot-defrost after engine heats up in cold weather.
     
    TacoTim85 [OP] likes this.
  14. Jan 15, 2020 at 3:07 PM
    #14
    Hoff

    Hoff Well-Known Member

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    I find the fan speed is to high at warm up. Is there a setting to control fan speed aggressiveness in auto mode. My previous truck had that option.
     
    Last edited: Jan 15, 2020
  15. Jan 15, 2020 at 3:10 PM
    #15
    coopcooper

    coopcooper certified youtube mechanic

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    man this cold snap is kicking my ass, this morning sucked
     
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  16. Jan 15, 2020 at 3:40 PM
    #16
    TacoTim85

    TacoTim85 [OP] Typical stick shift owner

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    Don't think so. Mine warms up quicky especially once I drive away. In auto mode it will not blow the fan at higher speeds until the engine/coolant is warm enough to blow warm air. This usually happen within a couple of minutes of driving.
     
  17. Jan 15, 2020 at 3:42 PM
    #17
    TacoTim85

    TacoTim85 [OP] Typical stick shift owner

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    @Hoff I just realized you're in Canada so a little colder there than here... your experience probably differs from mine lol
     

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