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Ambient Temperature Sensor Inspection (Auto A/C)

WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Measure the temperature around the ambient temperature sensor and measure the resistance between the ambient temperature sensor terminal.
    • If the characteristics of the ambient temperature sensor are not as shown in the graph, replace the ambient temperature sensor.
      Fig 1: Ambient Temperature Sensor Resistance-To-Temperature Curve
      G09786938Courtesy of MAZDA MOTORS CORP.
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