BrianS Posted May 6, 2015 Report Share Posted May 6, 2015 2015 Dodge Journey Limited I was looking at the build sheet on this again, and I think I've got most of the toys figured out. But(yes, always ONE) it indicates that it has a "humidity sensor" as part of the options package. Anyone know what this is? Or, rather, what it does? Not real important in the grand scheme of things, but just for curiosity sake. Quote Link to comment Share on other sites More sharing options...
Lvcoyote Posted May 6, 2015 Report Share Posted May 6, 2015 Automobiles use humidity sensors as part of their defogging or defrosting systems. Lots of different vehicles use them. dhh3, BrianS and jkeaton 3 Quote Link to comment Share on other sites More sharing options...
jkeaton Posted May 6, 2015 Report Share Posted May 6, 2015 This^^, it assists the HVAC system in keeping humidity levels low in the cabin. This is why sometimes the AC compressor will run even though you are not in the AC or defrost mode. dhh3 and BrianS 2 Quote Link to comment Share on other sites More sharing options...
BrianS Posted May 6, 2015 Author Report Share Posted May 6, 2015 Ok, perfect. That makes sense. Thanks for the explanations. Quote Link to comment Share on other sites More sharing options...
dhh3 Posted May 6, 2015 Report Share Posted May 6, 2015 More than likely it is part of the Automatic Temperature Control. Quote Link to comment Share on other sites More sharing options...
rolly Posted May 6, 2015 Report Share Posted May 6, 2015 Ok, perfect. That makes sense. Thanks for the explanations. Especially handy in our neck of the woods, being surrounded by the Great lakes eh! Quote Link to comment Share on other sites More sharing options...
probak118 Posted December 15, 2020 Report Share Posted December 15, 2020 Sorry for bringing up an old thread but I might now have an issue with this ? When I push the recirculation button the light simply flashes 4-6 times then shuts off again. If this humidity sensor is not working this may answer the question of why I am having a tough time keeping the side windows from fogging. Anyone else have this issue and fixed the issue by changing this sensor mounted behind the mirror ? Quote Link to comment Share on other sites More sharing options...
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