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Car Forum / Nissan / Nissan Maxima / June 2006Intermittent Blower Fan
My 2000 SE blower fan works only intermittently. Doesn't matter what position the switch is in. Most often, the fan will not work when first driving the car then will suddenly come "on" at some point and will stay "on" until I turn off ignition. During the "on" times, all positions of the switch work normally. There doesn't seem to be any set amount of time before the fan turns on. I have not noticed any pattern. Any ideas on where to start looking? Intermittent problems are typically nasty. Divide the problem in two: install thin wires, bare threads into inside blower motor connector (behind glovebox). Use them for measurement, and connect multimeter. Turn multimeter on as u drive, check the voltage level especially when blower doesnt work If voltage is ok, your blower and/or brushes are toast. If no voltage when problem is on, then your sw, resistor and/or ctrl pcb is toast. Get some ideas from here as main components are very similar: http://www.cardomain.com/ride/748507/ Blower pre-resistor pack (redlined) behind the glove bo http://memimage.cardomain.net/member_images/4/web/748000-748999/748507_351.jp -- Wiikinki www.cardomain.com/ride/748507/ > My 2000 SE blower fan works only intermittently. Doesn't matter what > position the switch is in. Most often, the fan will not work when [quoted text clipped - 3 lines] > set amount of time before the fan turns on. I have not noticed any > pattern. Any ideas on where to start looking? > My 2000 SE blower fan works only intermittently. Doesn't matter what > position the switch is in. Most often, the fan will not work when [quoted text clipped - 3 lines] > set amount of time before the fan turns on. I have not noticed any > pattern. Any ideas on where to start looking? Is the climate control in auto position? I'm sure the owner's handbook says that that this is the usual sequence of events - it should kick in after about 90 seconds, so that the sensor below the windscreen can adjust to the environment. Hope this helps I only have analog controls. No climate control. Just a slider for temp and a rotary switch for fan speed. Dave >> My 2000 SE blower fan works only intermittently. Doesn't matter what >> position the switch is in. Most often, the fan will not work when [quoted text clipped - 10 lines] > >Hope this helps |
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