Air conditioner blowing warm air, weak airflow from vents, or strange noises when turning on the AC? A professional AC system inspection diagnoses refrigerant leaks, compressor failures, and electrical faults to restore freezing cold air.An AC system inspection is a thorough diagnostic procedure designed to pinpoint why a vehicle’s air conditioning system is failing to cool the cabin or maintain proper airflow. Auto air conditioning relies on a sealed closed-loop circuit involving an AC compressor, condenser, expansion valve, evaporator core, and chemical refrigerant to extract heat and humidity from the interior air.