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In-car Temperature Sensor Test

WARNING: This page is about a different car, the 2008 Acura TSX, 2007 Acura TSX, 2006 Acura TSX, 2005 Acura TSX, and 2004 Acura TSX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the in-car temperature sensor (see IN-CAR TEMPERATURE SENSOR REPLACEMENT  ).
  2. Check for a change in resistance by heating or cooling the sensor with a hair drier.
  3. Compare the resistance reading between the No. 1 and No. 2 terminals of the in-car temperature sensor with the specifications shown in the graph; the resistance should be within the specifications.
    Fig 1: Checking Resistance Reading Between No. 1 And No. 2 Terminals Of In-Car Temperature Sensor
    G05492663Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. If the resistance is not as specified, replace the in-car temperature sensor (see IN-CAR TEMPERATURE SENSOR TEST  ).
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