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Car Forum / Nissan / Nissan Maxima / September 2008Help AC/Heater Problem
My heater only works when I set the temperature to around 30C(86F) degrees anything below will turn the AC on. Engine Temp Gauge normal in dashboard. Just had coolant flushed. Anybody had this problem? Frank 2001 Maxima 20th Aniv Ed 210,000 Km(130,000 miles) On Sep 15, 10:01 pm, papay...@gmail.com wrote: > My heater only works when I set the temperature to around 30C(86F) > degrees anything below will turn the AC on. Engine Temp Gauge normal [quoted text clipped - 4 lines] > 2001 Maxima 20th Aniv Ed > 210,000 Km(130,000 miles) Just because the AC is on doesn't necessarily mean the heat isn't also. I believe when the system is in auto mode the AC always comes on unless the outside temp is below freezing. You have to manually turn off the AC if you don't want it. >On Sep 15, 10:01 pm, papay...@gmail.com wrote: >> My heater only works when I set the temperature to around 30C(86F) [quoted text clipped - 10 lines] >on unless the outside temp is below freezing. You have to manually >turn off the AC if you don't want it. oops sorry I forgot to tell, I have climate control and don't have heater nor AC switch. On Sep 16, 5:44 pm, papay...@gmail.com wrote: > On Tue, 16 Sep 2008 08:35:39 -0700 (PDT), "e.meyer" > [quoted text clipped - 16 lines] > oops sorry I forgot to tell, I have climate control and don't have > heater nor AC switch. With climate control, AC is always on when it is set to auto and AC is off when it is set to ECON On Tue, 16 Sep 2008 18:46:58 -0700 (PDT), "e.meyer" > >With climate control, AC is always on when it is set to auto and AC is >off when it is set to ECON Isn't it the case with climate control that: When set to Auto If the cabin temperature is below the requested temperature setting then the heater will come on. If the cabin temperature is above the requested temperature setting then the air conditioning will come on. When set to Economy: If the cabin temperature is below the requested temperature setting then the heater will come on. If the cabin temperature is above the requested temperature setting then the air conditioning will NOT come on. This is the "economy", the cabin let to cool naturally. This setting is usually used in Winter. A faulty "cabin temperature sensor" would explain the original poster's problem. In my 2003 it's located behind a tiny vent grill next to the climate control display. Al Moodie. > On Tue, 16 Sep 2008 18:46:58 -0700 (PDT), "e.meyer" > > [quoted text clipped - 8 lines] > If the cabin temperature is above the requested temperature setting > then the air conditioning will come on. Not exactly. When it is set to auto the AC is always on unless the outside temp is below freezing. It adds heat and/or adjusts the variable compression AC compressor as necessary to achieve the requested temperature. > When set to Economy: > If the cabin temperature is below the requested temperature setting > then the heater will come on. > If the cabin temperature is above the requested temperature setting > then the air conditioning will NOT come on. This is the "economy", the > cabin let to cool naturally. This setting is usually used in Winter. This is basically correct. The AC does not come on in econ mode. > A faulty "cabin temperature sensor" would explain the original > poster's problem. In my 2003 it's located behind a tiny vent grill > next to the climate control display. > > Al Moodie. Check here: http://www.turbo6.net/vqtech/ESM/Nissan/Maxima/2001_Maxima.rar > My heater only works when I set the temperature to around 30C(86F) > degrees anything below will turn the AC on. Engine Temp Gauge normal [quoted text clipped - 4 lines] > 2001 Maxima 20th Aniv Ed > 210,000 Km(130,000 miles) Thanks everyone for the ideas help. Now I have to something to start on like the in-vehicle sensor I'll find out if I can find it as per pictured in http://www.turbo6.net/vqtech/ESM/Nissan/Maxima/2001_Maxima.rar >My heater only works when I set the temperature to around 30C(86F) >degrees anything below will turn the AC on. Engine Temp Gauge normal [quoted text clipped - 4 lines] >2001 Maxima 20th Aniv Ed >210,000 Km(130,000 miles) |
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