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Thread: Cabin temp sensor / aspirator fan

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  1. #1
    Join Date
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    I have a spare one I don't need Jim, shoot me an offer via PM.

  2. #2
    Join Date
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    Quote Originally Posted by Jimbo View Post
    Kaz
    the service manual I have says 2k ohms on page 22-16, am I looking at the wrong page?

    James
    Quote Originally Posted by Jimbo View Post
    Kaz
    as ever you are right, should be around 6K ohm at 20degC, my Land Rover part is 2.9k ohm at 10 C , so is not suitable, more annoying is I threw away the original sensor I removed as the aspirator fan was missing and the cage was damaged. So looks like I need to buy one, unless anybody has a spare ?
    Hi, James.
    Just following up your post as I was away for awhile.

    Most likely the workshop manual that you were referring to was the one with several missing scan and someone added/modified the text.
    If you look at the very page no. 22-16 at the left bottom corner, the [ 1 ] is more like [ l ] compared to other pages.

    Thus, the contents were edited including the specific resistance value.

    Not the end of the world.

    Just jump to page 22-87 of the same manual.

    There, you’ll see the sensor characteristic graph.

    At 3K ohm, you are more like 35degC….


    Unless you have already refreshed the entire A/C system, most likely, you would be using the CCU in manual mode and not in Full Auto.

    If that is the case, you could disconnect the cabin temperature sensor.

    Strictly speaking, it's much more involved but if you disconnect it, CCU will assume that the cabin temperature is at 25degC all the time and you can just use the temperature and fan speed dial to adjust the cabin temperature to your needs with the assistance from the vent/flap mode/position.

    Kaz

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