Question about 1998 Nissan Altima
Thanks for the reply. Yeah i have let the car run for about 15 min and the fan never kicked on. So you know, This is what i have done to it and how i got to this point. It all started by the car over heating. The radiator crack along the top. I replaced the radiator, radiator cap, themistat, fan relay and the tempeture controller in the back of the block. And still i let it run for 15 mins and the fan never kicked on but it will turn on if i turn the airconditioner on. It also blows hot air if the heat is on and cold air if the airconditioner is on. The temp gauge is busted so i am at a disadvanted. Hopefully this has helped.
Thanks again for your respose. I just want to get my baby working lol . I look forward to your answer
Well...it will really help us if you have a temperature gauge because we would not know what is the radiator water temperature.
try these steps...
first check if there is power(12V) to your relay. i mean power that will go to the fan as the relay is energize.
you have 4 pins in the relay. two is for energizing it . and two for the contact that will close once the relay is energized.
jump these pins for the contact, your fan should run. if it did not and there is power, then there is no connection from your relay to your fan.
if it would run, then we can trace the other two pins.
one pin should be directly connected to +12.
test this by using your volt meter.
the the other pin should be connected to your temperature controller that should give negative signal once the engine is hot. the temperature controller should short it out with the engine block which is a source of negative signal.
that should complete the circuit and should energize the relay that would in turn run the fAN,...
i hope you can follow all the tests...
Posted on Aug 06, 2008
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Posted on Jan 02, 2017
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