Question about 2002 Nissan Maxima
A/C Heater resister tested bad. Replaced and the A/C worked for about 10 minutes and then it stopped. The new resistor was extremely hot. It doesn't work now.
Does the Blower Motor work when power
is applied-- just to it?
Sounds like a high current draw on that circuit
Need wiring diagram & ability to know how to test
for the problem
I only work from factory diagnostic manuals & wiring
books- I buy for all my vehicles when they are new.
No way you can push & poke,wish & hope
You need to see the circuits on paper & have the
manufactures ideas on how to diagnose
Posted on Jul 17, 2013
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Posted on Jan 02, 2017
there is a blower resistor located near blower motor and housing under glove box area it is one connector with about 5 wires to it and looks thin, held by two screws this resistor controls fan speeds - possibly it will look burned may even be hot to the touch so be carefully it is the most probable cause since you obviously have power to it and ground only being the fan speeds the problem.
Posted on Aug 28, 2008
SOURCE: heater blower not working
I would check the blower motor fuse first. If that's all fine, than check at the blower motor connector (behind the glove box). unplug the connector (white connector with 2 wires red and black I think) and unplug it. Turn the fan control ON. Get a DVOM (digital volt meter) or just a plain old analog meter and check across the connector. You should have some reading, while you are using the blower controls by the radio. The faster you wabt the blower motor to go the more voltage there willl be on the meter and vise versa. So in other words on full HIGH the meter should read about 12V. On LOW the meter will be down to 6V or so. The speed adjustment of the blower motor gets done by the "blower motor resistor" and the controler by the radio. Anyways, let me know what you find as far as the voltage goes at the blower motor. OR you can just turn on the control on high and tap the motor with something solid (hammer) and see if it comes on. I have a feeling that it will.
Posted on Mar 31, 2009
the majority of heater resistors are on the heater box under the passenger ide of the dash, on some very few models it is part of the actual ac control panel
Posted on Oct 28, 2009
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