NA 97 IAT Sensor calibration
12-21-2012, 01:26 AM
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NA 97 IAT Sensor calibration
Hey,
When the car is cold (a few days cold) the CLT reading is the same as ambient and IAT is 8C lower...
The calibration values I used are the same for both:
bias resistor setting of 2490 ohms:
Temperature F / C Resistance In Ohms
-4 / -20 16150
104 / 40 1150
176 / 80 330
I lowered the IAT bias settings to 1800 and now the IAT is the same as CLT when cold.
Have I done good ?
Thanks !
When the car is cold (a few days cold) the CLT reading is the same as ambient and IAT is 8C lower...
The calibration values I used are the same for both:
bias resistor setting of 2490 ohms:
Temperature F / C Resistance In Ohms
-4 / -20 16150
104 / 40 1150
176 / 80 330
I lowered the IAT bias settings to 1800 and now the IAT is the same as CLT when cold.
Have I done good ?
Thanks !
Last edited by elior77; 12-21-2012 at 11:45 AM.
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