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Evaporator Temperature Sensor Test

  1. Dip the sensor in ice water, and measure the resistance between its terminals.
    Fig 1: Checking Evaporator Temperature Sensor Resistance
    G01165306Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Then pour hot water on the sensor, and check for a change in resistance.
  3. Compare the resistance readings with the specifications shown in the graph; the resistance should be within the specifications.
    Fig 2: Evaporator Temperature Sensor Temperature/Resistance Chart
    G01165307Courtesy of AMERICAN HONDA MOTOR CO., INC.
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