Date: Tue, 21 Dec 2004 19:17:18 GMT From: th <someguynospamwhere.se> Subject: Re: Faulty Outside Air Temp Sensor?
Valjean wrote: > "th" <someguynospamwhere.se> wrote in message > news:ZRGxd.124872$dP1.448159nospamc.telia.net... > >>Valjean wrote: >> >>>It shows cooler by 4-5 degrees, which translates to too warm in the > > cabin, > >>>too often, when relying on the auto climate control. Now, is that > > typical, > >>>for a new one too? I just have to live with it? >>> >>> >> >>Such a small error in the outside sensor should not cause the interior >>temperature to go very wrong as the cabin air sensor should have the >>largest effect on the temperature control loop and thus limit the >>temperature of the air coming into the cabin. >> > How do the two work together, then... > I have no idea about the details of the ACC programming, just by practical experience of the ACC and other types of similar control system like house temperature control systems. In the latter case you allow the indoor sensor to have a much larger influence on the radiator temperatures that the outdoor sensor, in some cases you may even skip the outdoor sensor completely. -- th