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Home >> Mazda >> 2012 >> 6 i Touring >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Control System [HVAC - Full Auto Air Conditioner) >> Evaporator Temperature Sensor Inspection [Full-Auto Air Conditioner]

Evaporator Temperature Sensor Inspection [Full-Auto Air Conditioner]

  1. Set the fan speed MAX HI.
  2. Set the temperature control at MAX COLD (Turn the left).
  3. Turn the A/C switch off.
  4. Set the RECIRCULATE mode.
  5. Close all doors and windows.
  6. Wait for 5 min. 
  7. Remove the glove compartment. (See GLOVE COMPARTMENT REMOVAL/INSTALLATION .)
  8. Disconnect the evaporator temperature sensor connector. (See EVAPORATOR TEMPERATURE SENSOR REMOVAL/INSTALLATION [FULL-AUTO AIR CONDITIONER] .)
  9. Measure the temperature at the blower inlet.
  10. Measure the resistance between terminals of the evaporator temperature sensor.
    Fig 1: Evaporator Temperature Sensor Resistance Graph
    G08143646
    • If the resistance is not as shown in the graph, replace the evaporator temperature sensor.
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