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Hello Tim and thank you for your question.In order to determine why the system is blowing warm air the first thing that needs to be checked is the systems pressure to make sure the system is full , if not the compressor will not turn on. Can you install a set of pressure gauges and read the system pressure.
Your 2013 dose not have a clutch relay, it uses a integration relay which is not service separate. You really need to start first with checking the system pressure. If its low on Freon the compressor will not engage.
Okay , let me know.