Corolla S Sedan L4-1.8L (1ZZ-FE) (2002)
Evaporator Case: Testing and Inspection
Component Inspection
INSPECTION
1. CHECK EVAPORATOR FINS FOR BLOCKAGE
If the fins clogged, clean them with compressed air.
NOTE: Never use to clean the evaporator.
2. CHECK FITTINGS FOR CRACKS OR SCRATCHES
If necessary, repair or replace.
3. INSPECT THERMISTOR RESISTANCE
a. Place the sensor in cold water, and while changing the temperature of the water, measure resistance at the connector and at the same time,
measure temperature of the water with a thermometer.
b. Compare the 2 readings on the chart.
If resistance value is not as specified, replace the sensor.