This is a follow up to a previous post about this...Climate Control EC Button light stays on. So far everything in the AC system checks out OK, no fault codes, temperatures/pressures are good, commpressor works well, but I need to know how to check the temp and pressure sensors at the drier. They are both new and perhaps there is a problem with one of them. Thanks

Dan, '96 C280

I just went through this. See - 210 chassis climate control problem


Len

Thanks for the reply Sokoloff. I looked at that thread already. All the actual numbers I got from the climate control display(a very neat trick) looked normal though there were a few codes that are still a mystery after reading all the threads I could find about this. I'm thinking there might be a problem with one of the two sensors at the drier because this started after replacing the compressor, drier, and two sensors. Everything else looks OK so I was looking for a way to test the two sensors. Thanks

Dan

Why don't you try and go through the MB procedure for resetting things I listed in my last post to that thread? That might shut it off? Although the MB directive does say to replace the temp sensor in every case. It isn't that hard of a job and costs about $35.

Len

Thanks Len. According to the actual numbers, the temp sensor at the evaporator is working properly,but, who knows with these cars. I'll keep it in mind as I go. I think one of the sensors in the AC system is putting out some bogus numbers. Funny thing is I can turn off the EC light by holding it for about 10 seconds then everything works just fine. I can turn the EC light off/on, air blows very cold, no problems! So, all of the sensors seem to be OK except every time I start the car the EC light is stuck on. Why would I only have a problem with a sensor when the ignition is first turned on? Arrgghh...

Dan