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Humidity Sensor Test

NOTE: Before testing, check for HVAC DTCs. (see GENERAL TROUBLESHOOTING INFORMATION  )
  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 the terminals with the (+) probe on terminal No. 2 and the (-) probe on terminal No. 3 with the connector connected.
    Fig 1: Measuring Voltage Between Terminals With (+) Probe On Terminal No. 2 & (-) Probe On Terminal No. 3
    G05966090Courtesy 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  ).
    Fig 2: Identifying Humidity/In-Car Temperature Sensor Voltage Graph
    G05966091Courtesy of AMERICAN HONDA MOTOR CO., INC.
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