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Ambient Temperature Sensor Inspection

  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Remove the front bumper. (See FRONT BUMPER REMOVAL/INSTALLATION .)
  3. Remove the ambient temperature sensor. (See AMBIENT TEMPERATURE SENSOR REMOVAL/INSTALLATION .)
  4. Measure the temperature around the ambient temperature sensor and measure the resistance between the ambient temperature sensor terminals A and B.
    Fig 1: Ambient Temperature Sensor Connector Terminal
    G11276289Courtesy of MAZDA MOTORS CORP.
    Fig 2: Ambient Temperature Sensor Resistance Graph
    G09075846Courtesy of MAZDA MOTORS CORP.
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