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On the central console is the A/C module. Inside A/C module are driver's side & passenger's side air flaps for mixing hot & cold air and directed air flows towards driver's side & passenger's side according to driver commands. The passenger's side flap for mixing hot & cold air according to driver commands is bad. Flaps are actuated by electrical step by step motors. Could be damaged the flap actuator (motor), the flap mechanism (blocked in "HOT" air position), and / or electrical supply wires. You must access the passenger's side flap for mixing hot & cold air, and see what happens when you command cold air to the driver's side: flap mechanism, flap actuator, supply wires, ... Repair & replace bad pieces and test the A/C system.
Blowing hot air when set to A/C is almost always a stuck blend door, dead blend door actuator, or a cracked or disconnected blend door actuator vacuum line. The blend door is inside the a/c ducting under the dash, but the actuator will be accessible outside the ducting.
there are many thing beside a fuse, it may be low on freon or a bad low preasure switch and more ,you are right to start withthe fuses, then have the freon checked to make sure there enough in the system,you may have a leak. the fuse is a 10 amp fuse and its located in the aux fuse box in location F1-O1, here a diagram to help you, this fuse box should be under the hood, sometimes they put them under the dash on the pass/side.hope this helps.
its probably the compressor cutoff switch cutting your compressor off at the wrong time and causing your ac to blow hot. that switch is under your hood right on top of the engine easy to get to. I hope that helps you out!
I recently had the same problem with my ls. I had to remove the drivers side front tire and behind the tire arm there is the low connector valve that is attached to the compressor- take off the tiny cap and connect the can of refrigerant. Kragen has cans with the valve attached- just follow directions- My air works perfectly now- and it cost under $25 to repair it!
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