Re: Outside temperature sensor

On Monday, February 28, 2022 at 10:05:50 PM UTC-6, VanguardLH wrote:
> John McGaw wrote: 
> 
> > On 2/28/2022 1:51 PM, VanguardLH wrote: 
> >> Wilson wrote: 
> >> 
> >>> I've been wondering exactly where the external temperature sensor is 
> >>> located on my 2014 Outback LTD Wagon. Hard bit of info to find. 
> >> 
> >> https://www.google.com/search?q=2014%20Outback%20Limited%20Wagon%20air%20temperature%20sensor%20location%20-coolant 
> >> 
> >> found: 
> >> 
> >> https://www.youtube.com/watch?v=wMVabbb9SLc 
> > 
> > Interesting. I had always assumed that the sensor would be up inside the 
> > "snorkel" air intake housing. Guess you can learn something every day if 
> > you're paying attention.
> You're probably thinking about the MAF or IAF air temperature sensor for 
> the intake air into the engine. The MAF (Mass Air Flow) sensor senses 
> air volume, density, and temperature, and is in the air intake stream 
> before the throttle body. That affects operation of the engine. 
> 
> As for the ambient air temperature sensor, I think that is only a 
> convenience device letting you know the temperature outside the car, 
> much like the compass in the rear view mirror, or door switch to turn 
> on/off the dome lights.

I think that sensor may also be used by climate control as another data point, like the sun sensor.