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  1. #1
    Senior Member PuGZoR's Avatar
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    Default Sensor voltage/resistance ranges

    Hey boys and girls,

    Was wondering, does anyone know what voltage/resistance different sensors in the AE86 4AGE or AE101 4AGZE range between?

    I made myself a nice lil heads up display with a warning buzzer. Wanted to know where the sensors sit during normal operating, so as that I can set the functions before setting it up in the car.

    If possible, use examples like:
    On an AE86 4AGE, the temp sensor at the front of the engine has a resistance of 300 Ohms @ 85 degrees C, and 350 Ohms at 97 degrees C. (Those figures were completely made up, they could put out a voltage for all I know)

    Thanks.
    Last edited by PuGZoR; 20th March 2009 at 02:24 PM.
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  2. #2
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    Default

    experimentation is prolly going to be the only way

    cup of boiling water, a multi meter, and a thermometer and you can plot the graph in excel

    you are right in your assumption that they give a resistance, which equates to a change in voltage, and thus it can be read on a guage

    have fun

  3. #3
    Senior Member Hen may possibly be a nut's Avatar
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    Yes, experimentation is the way.

    The AE86 engine manual should give you a rough idea though. They love examples like "check the resistance of the coolant temperature sensor, if not within the range specified, replace it. Range 800ohm - 1200ohm".

    Hen

  4. #4
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    Timmy D
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    Default sensor

    Hey

    I know that the green temp sensor on the back of the head on a gze 101 motor shows 1.9V when cold and will drop to 0.5V when the car has heated up. This is how i set up the control unit for my thermo fan so i played around with this allot. starting the car up cold and watching is drop as it heated up. hope this helps in some way.
    JJ
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