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Home >> Mazda >> 2009 >> 3 L4-2.3L >> Repair and Diagnosis >> Heating and Air Conditioning >> Evaporator Temperature Sensor / Switch >> Testing and Inspection
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Evaporator Temperature Sensor / Switch: Testing and Inspection




EVAPORATOR TEMPERATURE SENSOR INSPECTION

NOTE:
- Inspect the evaporator temperature sensor when it is installed to the A/C unit.

1. Set the fan speed MAX HI.

2. Set the temperature control at MAX COLD.

3. Set the RECIRCULATE mode.

4. Turn the A/C switch off.

5. Close all doors and windows.

6. Wait for 5 min.

7. Disconnect the evaporator temperature sensor connector.

8. Measure the temperature at the blower inlet.

9. Measure the resistance between the evaporator temperature sensor terminals.






- If the resistance is not as shown in the graph, replace the evaporator temperature sensor.

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