Cordia L4-2.0L SOHC (1984)
Thermostatic Air Cleaner: Testing and Inspection
Fig. 166 Heated intake air system diagram
1.
Remove the air cleaner cover and air duct.
2.
Run the engine at idle and verify that when the thermo sensor temperature is less than 30 degrees C or 86 degrees F that the cold air side inlet is
closed and that when the thermo sensor temperature is greater than 45 degrees C or 113 degrees F that the cold air inlet side opens, Fig. 166.
Fig. 167 Testing heated intake air system diagram
Note that it may be necessary to apply heat with a hair dryer or heat gun and/or to cool the thermo sensor with compressed air, Fig. 167.