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Humidity Sensor Test

NOTE: Before testing the sensor, check for climate control DTCs (see HOW TO USE THE SELF-DIAGNOSTIC FUNCTION WITH THE HDS ).
  1. Remove the humidity/in-car temperature sensor (see HUMIDITY/IN-CAR TEMPERATURE SENSOR REPLACEMENT ).
  2. Connect the humidity/in-car temperature sensor 4P connector.
  3. Turn the ignition switch to ON (II). Measure the voltage between terminals with the (+) probe on terminal No. 3 and the (-) probe on terminal No. 2 with the connector connected.
    Fig 1: Measuring Voltage Between Terminals With (+) Probe On Terminal No. 3 And (-) Probe On Terminal No. 2 With Graph
    G08094375Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. If the voltage is not as specified, replace the humidity/in-car temperature sensor (see HUMIDITY/IN-CAR TEMPERATURE SENSOR REPLACEMENT ).
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