Air conditioner will not blow cold air

SOURCE: 2002 Nissan Maxima SE - Air condition not blowing cold air

simply "adding a can"is a good way to end up with non-functional A/C. the typical system has high/low pressure switches that enable/disable the system. you need to be at the correct volume of refrigerant as specified on the sticker under the hood. i recommend using the proper equipment, evacuating, pulling a vacuum, and then refilling the system with the appropriate amount.

SOURCE: A/C not blowing cold air (posted on 1995 maxima forum in error)

check for system leacks (lines,fittingis,comperssor,dryer,condensor )

SOURCE: Blower Motor fuses keep on blowing. During summer

I believe the ultimate problem is with the blower motor itself.They can get water in them, dirt and general grot. The motor will be on the passenger side up under the dash and will be held in with three screws.You are going to have to remove the motor and examine it.Watch your back,I won't do this job any more because of the way you have to double up.I'm thinking that the blower may have come apart and jammed.Many times you can get replacement blower fans at your local auto shop,or try your local wreckers for a good used one.Nissan will want way too much for this so try these sources first.You can apply direct battery voltage to the old fan to test it but be carefull,if its good it will try to torque out of your hand,and be sure you don't cross any of the wires,it can be a shocking experience( no pun intended) Take your time and good luck.

Clifford Beard

• 1975 Answers
• Posted on Jul 27, 2011

SOURCE: I have a 2006 Nissan Altima and my air conditioner

I would check the number 33 fuse (see diagram below). It could also be the relay for the compressor as well. Also there is a refridgerant pressure sensor and if that is faulty it will give the wrong readings to the computer which in turn will not give the correct voltage to the relay which would make it to where the relay would engage the compressor clutch. Below are some pictures of wiring diagrams as well as locations of the relay and the sensor. If you are in need of any other information that you think may help you or you need bigger pictures as I can only post up to a certain size here, feel free to email me at [email protected] and I will be happy to answer what I can.