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Climate control fan speed erratic

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  • Climate control fan speed erratic

    Hi all,

    Proud new 2003 Prado Grande owner so first post.

    Only had the car for a week but have noted the aircon seems to have a mind of its own. Started out just great on 5hr trip home but then I found I had to keep cranking the temperature up to get the fan to slow down. It seems that the fan speed does not adjust down once the temp has been reached most of the time. I had to remove the battery the other day and after that, it seemed to be great for the next 12hrs but then it started to play up again. The aircon was re-gassed just before purchase and there is no problem with it getting either very cold or warm.

    I've read a few posts that mention the thermostat positioning but wonder if that would effect the rate at which the fan blows. I've just removed the pollen filter today and that is toast so I've cleaned it out for now and ordered three more from Banggood.com.

    Any feedback on climate air calibration or where to find the cabin thermistor would be appreciated.

  • #2
    Hi xbmcnut

    I assume you have hit the Auto button. If you change the fan setting it stays at that rate in spite of the temp until you hit the auto button again.
    Greg - 08 D4D Prado,
    Some trips done - Cape York, Fraser Island, Simpson Desert / Central Aust, Vic High Country.

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    • #3
      Originally posted by Corigator View Post
      Hi xbmcnut

      I assume you have hit the Auto button. If you change the fan setting it stays at that rate in spite of the temp until you hit the auto button again.
      Yes, it's when the climate is on auto. Today I set the temp at 24c, 4c above ambient and the fan was going hard out. It did have low gas when I bought it and has been re-gassed but maybe the missed the leak?

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