Question about 2000 Nissan Maxima

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Nissan Maxima cooling fans stay on 2000 Maxima GLE The wont cycle off after the engine temp is cooled down, I replaced the Rad.tstat,sensor,relays& pulled the water pump to make sure is it my?

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  • 60 Answers

Did this just happen ?? Out of the blue ??,,,, sounds as if it is hard wired ,,,,look for any jumper wires attached to the plug on your fan

Posted on Apr 24, 2015

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Posted on Jan 02, 2017

  • 833 Answers

SOURCE: cooling fans will not run

Most GMs use a relay package to turn on the fans. That is often controlled through a processor package. Very complicated...if yours is one of them. You will need Mitchell's manual or equal to trace this to see if you have all the signals.

Posted on Jun 19, 2008

emissionwiz
  • 75817 Answers

SOURCE: cooling fan not working

The fans only run when the engine reaches approxminatly 235 degrees F. on the guage that is near the end of scale just before guage show "HOT" I don't think you have a problem, allot of folks out there don't know about this.

Posted on Aug 22, 2008

leetamara
  • 702 Answers

SOURCE: Cooling fan wont work

The water temp sensor is located near the thermostat housing. This sensor is what tells the ECM to turn the fan on/off. The water temp sending unit is located near the same area. You know you have the correct sensor is because the water temp sensor has a 2 prong plug. The water temp sending unit only has 1 prong.

Posted on Sep 27, 2008

  • 2 Answers

SOURCE: cooling fan wont turn on on my 2000 grand am

are you having a temperature problem? i heard that the cooling fans only come on at high temperatures, around 230F.

Posted on Jun 16, 2009

  • 38 Answers

SOURCE: 2003 impala is it a temp sensor or cooling fan switch

Maybe your radiator is clogged flush it out.

Posted on Aug 11, 2009

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If I were you I'd check the cooling fans relays first . See if the PCM is energizing the relays . Does your vehicle have A/C ? Does it work ? When the A/C is turned on the fan should come on , does it ? Does your vehicle have any running problems ? Does the transmission shift alright ? If these are good your coolant temp . sensor is good . The temp. sensor is an input to the PCM / ECM -engine computer . The engine computer energizes the relays . cooling fan relay 1 an cooling fan relay 2 an cooling fan relay 3 . Do you know what a relay is ? A scan tool would be a big help in diagnosing this problem . You can check temp data ,see if the PCM/ECM can energize the relays etc... check for DTC'S -diagnostic trouble codes . Most people do not want to hear this ,but you would be better off taking your vehicle to a qualified repair shop.

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1 Answer

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Make sure there is no debris in front of your radiator or ac condenser



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1 Answer

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Check the rad fan fuse or the relay under the hood.
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Failing that, check the rad temp sensor which activates the fan. If this sensor does not close at high temp...the fan won't work.

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1 Answer

Cooling fans stay on


your fan will also come on when the defroster is on and when the airconditioning is on so it could be something to do with the inside temp controls

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