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Evaporator Temperature Sensor Test

  1. Remove the evaporator temperature sensor (see EVAPORATOR TEMPERATURE SENSOR TEST  ).
  2. Dip the sensor in ice water, and measure the resistance between its terminals.
    Fig 1: Removing Evaporator Temperature Sensor
    G03661911Courtesy of AMERICAN HONDA MOTOR CO., INC.
  3. Then pour warm water on the sensor, and check for a change in resistance.
  4. Compare the resistance readings with the specifications shown in the graph; the resistance should be within the specifications.
    Fig 2: Comparing Resistance Readings
    G03661912Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. If the resistance is not as specified, replace the evaporator temperature sensor (see EVAPORATOR TEMPERATURE SENSOR TEST  ).