Temp sensor. A sensor that reads passenger cabin air temperature. Location-Center Outler. Location-Duct. Location-HVAC Box. Location-Inlet Duct. Location-Outlet Duct. Reports the temperature of the air within the HVAC box / duct for automatic temperature control. Temperature Sensor for A/C Evaporator. CONDITIONING (A/C) Evaporator. Cabin. HVAC Duct. IN - CAR. THERMOSTATIC SWITCH. Included with: AC & heater assembly.