Refrigerant Temperature Sensor: Locations

Electronic Temperature Cycling Switch




The electronic temperature cycling switch is located on the refrigerant plumbing, suction line near the H-valve. It electrically inputs to the engine controller on gasoline vehicles and in series with the clutch coil on diesel vehicles. The switch turns the compress6r on and off depending on the temperature in the suction line. The switch is sealed, specially calibrated unit and if found defective, must be replaced.