Question about 2009 Nissan Sentra 2.0

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Ac relay diagram location

2009 NISSAN SENTRA air conditioner compressor does not engage. freon in system. compressor spins freely. where is the fuse and relay for the compressor located.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: I NEED A DIAGRAM OF THE FUSEBOX AND RELAY BOXES

On the cover of the fuse box indictes what each fuse/relay controls

Posted on Sep 18, 2009

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  • 46 Answers

SOURCE: 1998 nissan sentra gxe air conditioning

just cause the relay clicks and makes noise does not mean its working properly that relay provided you have the right one will engage the clutch and the chances of the clutch being bad are very slim so make sure that you have the right relay and get a replacement just for arguements sake and try it also when you select the air cond does the selector light to show that its working that also could be the problem now if the system is out of refriderant this could also be the problem.Hope this helps

Posted on May 29, 2008

old marine
  • 2005 Answers

SOURCE: troubleshooting air conditioner thermostat 1995 nissan pickup hardbody

The thermostat is located where the lower radiator hose goes into the engine. I've had to replace mine, and it took a while to find it. I found the easiest way to get at it is to remove the power steering pump (hoses attached) and set it over to the side to get at the bolts on the thermostat housing.

Good luck!

Posted on Jul 25, 2008

  • 40 Answers

SOURCE: I need a 2005 Nissan Sentra Fuse Box Diagram!?

the diagram should be on the outside or inside of the fuse panel cover. Not there? You can go to autozone or advance auto and look at there books for free, or you can ask them to print it for you. If you're not happy with that you can stop at a nissan dealer (used) and look at one of their 2005 models, or ask them to help. They will try to get you to trade in though lol.

Posted on Jul 03, 2009

johnjohn2
  • 5763 Answers

SOURCE: i need a fuse diagram for a 2002 nissan sentra

this is all i could find,the fusebox locations and fuse location #, but nothing about which fuse is which, i hope this will help,9064463.gifb2bc6d0.gif4587b25.giffac1af0.gifb6b500c.gif

Posted on Feb 17, 2010

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2 Answers

I have 2011 Nissan Sentra. Yesterday the a/c worked fine. Today it blows only hot air (compressor not engaging). I checked the freon, it's good. I'm lost.


If your fuses are all ok, there is a good chance the climate control unit has failed (the piece with all of the dials and buttons).

Jul 02, 2016 | Nissan Cars & Trucks

1 Answer

A/C compressor spins, but why is there no cold air?


You may need a shop manual to get the wiring diagrams and test procedures.
The ac compressor gets power from several sources and those would need to be checked. The control on the dash, the low and high pressure switches, the relay, and so on.
If the compressor is ok, you should be able to jumper the clutch like you did and feel one line cold and the other line warm if freon is flowing thru the system.

Mar 30, 2016 | 2001 Nissan Xterra

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Air conditioner blows hot but freon is full


Your compressor could be faulty. Check to see if it engages when you press the AC button with the car running.

Aug 05, 2014 | 2004 Ford Freestar

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I havepower to clutch relay ramps up eng.but compressor doesnt engage tryed taping on clutch but no engagements. 2009 nissan sentra exe


-Are you talking about air conditioning compressor?
-If so. Here there are few thing cause not to engage.
1. Freon is too low. (Or none at all)
2. Compressor itself is bad.


Mai Lor

Oct 10, 2013 | Cars & Trucks

1 Answer

My a/c compressor is only blowing hot air when I turn it on. I know a little about cars so I know it's the a/c but I am not able to find one on any site that may sell used or new.


If all you get is hot air there are several possibilities. The compressor is driven by the serpentine belt and is engaged and disengaged by an electric clutch mounted on the compressor drive pulley. With the engine running, have an assistant turn on the AC while you observe the AC compressor clutch. If the clutch engages, you can be reasonably sure that the system has freon, and the electric circuit is OK. If the clutch doesn't engage, which is the most likely situation, either you are low on freon, the AC clutch relay is inop, or AC compressor fuse is open (blown). A search of Google images will give you the location of the AC relay. You can pull out the relay, carefully remove the cover, reinsert the relay, and engage the compressor clutch by manually closing the relay contacts. Warning: do this only for a second or two in order to see the clutch engage. If the clutch does engage, then you are probably low on freon. There is a safety switch that prevents the clutch from operating if there is not enough freon in the system. Hopefully, this is the case. Go to Walmart and get two cans of r-134 and the inexpensive kit, and following their instructions, charge your system. If this is not the problem, you'll need a set of AC gauges and the skill to use them. Hope this helps. Dano

Aug 31, 2011 | 1998 Lexus Gs 400

1 Answer

My 2002 neon's A/C blows warm air. The vent pressure is working well- but it blows warmer than the outside air. Can I fix this myself? What might the problem be?


If you are handy, yes you can. Most likely causes are loss of freon which would prevent the compressor clutch from being engaged and operating the compressor, a lack of 12 volts being applied to the compressor clutch because the a/c compressor fuse or relay has failed, preventing the clutch from engaging the compressor, or the compressor clutch itself failing. Easy test is to watch the compressor pulley with the motor running. The pulley will, of course be spinning, but the circular assembly mounted to the front of the pulley will spin with the pulley only when the compressor is engaged. There is a sensor mounted to the a/c line that prevents the clutch from engaging the compressor if there in not enough freon in the system. You could go to auto zone or checker and buy a can of freon r-134 with a hose for around $15.00. It is fairly easy to follow the instructions to charge the system. If, after allowing some of the can to pressurize the system, the compressor clutch engages then you can continue to charge the system. Cold air should start to blow by the time the can is empty. Or you can locate the a/c relay located in the fuse panel, remove its plastic cover and manually close the contacts while observing the compressor pulley assembly. If the clutch doesn't engage then the problem in probably electrical, a fuse, the relay or the electric clutch itself. Go to auto zone and check you their dvd on a/c repair for under $9.00. Hope this helps! Dano

Jul 01, 2011 | 2002 Dodge Neon

1 Answer

AC is not working properly


this first to do is check wiring to compressor clutch,when ac is not working check the ac clutch it should be engaged,test for power and ground at ac compressor clutch, you may have a bad wire to clutch or a bad compressor clutch,8226523.pngc97e168.giff41b56b.gif672ce29.gif

Mar 04, 2010 | 2003 Nissan Pathfinder

1 Answer

My 2002 Sentra's AC just blows warm air. The


You most likely just to to have the freon recharged.

Jul 08, 2009 | 2002 Nissan Sentra

2 Answers

Acura integra 96 Air Conditioner compressor did not run


Check the A.C>Relay or It could be low or leaking freon

Jul 06, 2009 | 1995 Acura Integra Coupe

1 Answer

1998 nissan sentra gxe air conditioning


just cause the relay clicks and makes noise does not mean its working properly that relay provided you have the right one will engage the clutch and the chances of the clutch being bad are very slim so make sure that you have the right relay and get a replacement just for arguements sake and try it also when you select the air cond does the selector light to show that its working that also could be the problem now if the system is out of refriderant this could also be the problem.Hope this helps

May 29, 2008 | 1998 Nissan Sentra

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