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Hi JACUSTOMER-nns72eco , Thank you for using JustAnswer.
When the a/c is not cold,is the compressor running?
When the engine is running and the air is on.The compressor clutch disk should be turning.(see picture)
Try running the self diagnostic on the system. Here are the step by step instructions.Record any codes.
Diagnostic complete. In step 1 the display was complete (there was no part of the segment that did not display).
In step 2 the second digit was a 5 that flashed twice. No other codes appeared. In step 3 code 30 appeared in the display.I believe that step 4 produced the proper codes through 48. In step 5 code 51 appeared.then an indication that ambient temp was 81, then 89 for in vehicle sensor,, then 79 for the intake sensor and 52 was displayed when I pressed the REC control and did not blink.
I am not sure that I did everything right but when I repeated the procedure I saw the same result.
Do you have access to a set of a/c gages?( Advance Auto Parts will loan tools w/deposit) You need to check the pressures. This car has a variable displacement compressor. The have been known to work intermittently.So it is possible the compressor is bad. Depending on the production date of your car. A used compressor runs anywhere from $75.00 to $250.00 .Try www.car-part.com its a used parts locater.It searches salvage yards all over the US.