Temp sensor in car

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Ruby Range

Well-Known Member
Posts
338
Location
Sandwich Kent
Hi gents can anyone help please with the above. If you run the Hevac at say 27 degrees and then turn it down to say 18 to get the interior to the new setting will the in car sensor actually tell the Hevac to blow out cold air to get to the new temp setting quicker. Reason i ask is on the motorway today did the above to lower the cabin temp after 10 mins of starting the journey and heater started blowing out cold air. then spent an hour on the journey going up and down the temp scale like a whores drawers trying to get a comfortable setting but ended up with just having either hot or cold air blowing out.
 
on the motorway today did the above to lower the cabin temp after 10 mins of starting the journey and heater started blowing out cold air. then spent an hour on the journey going up and down the temp scale like a whores drawers trying to get a comfortable setting but ended up with just having either hot or cold air blowing out.

Book symbol on the HVAC up ?

Sounds like blend motor potentiometers
 
The system is designed to minimise sudden temperature changes unless you go to the extremes of the scale, or make a wildly different temp change, such as you did.

If you only get either hot or cold, it could be the blend motors, but they just tend to fail in one extreme or t'other.....
 
There was and is no book symbol on the screen and heater ran hot and cold, all positions work. Checked again an hour ago and heating works at differant temps on both sides so I think I was going to extremes and not patient enough. Too use to my old frontera with a manual heat control me thinks.
 
Well maybe you know what its like wife giving driving tips idiots on motorway sorting out heating and then missing junction I can safely say mayhem did persue!!!!
 
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