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Ambient Temperature Sensor: Inspection

  1. REMOVE AMBIENT TEMPERATURE SENSOR 
    1. Disconnect the connector.
    2. Using a clip remover, pull out the sensor from bumper reinforcement.
    Fig 1: Removing Ambient Temperature Sensor
    G01314446Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT AMBIENT TEMPERATURE SENSOR RESISTANCE 

    Measure resistance between terminals at each temperature as shown in the chart.

    Fig 2: Sensor Resistance Condition Chart
    G01314447Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 3: Inspecting Ambient Temperature Sensor Resistance
    G01314448Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If resistance is not as specified, replace the sensor.

  3. INSTALL AMBIENT TEMPERATURE SENSOR 
    1. Push the sensor in bumper reinforcement.
    2. Connect the connector.
    Fig 4: Installing Ambient Temperature Sensor
    G01314449Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002