Some 2012 – 2013 model year Camry vehicles may exhibit a condition where the HVAC system intermittently blows warm air from the vents with the A/C ON. Diagnostic Trouble Code B1479 (Flow Sensor Circuit) may be stored in the A/C system as either a current or history DTC. A malfunctioning A/C compressor flow sensor may cause this condition. See Technical Service Bulletin 0084-13 Toyota Denso 471-1617 A/C Compressor
