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Ambient Temperature Sensor: Inspection

WARNING: This page is about a different car, the 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove Ambient Temperature Sensor 
    1. Disconnect the connector.
    2. Using a clip remover, pull out the sensor from bumper reinforcement.
      3. Fig 1: Removing Ambient Temperature Sensor
      G01179030Courtesy 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: Reviewing Ambient Temperature Sensor Resistance Information
    G01179031Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    If resistance is not as specified, replace the sensor.

    Fig 3: Measuring Resistance Between Terminals
    G01179032Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Install Ambient Temperature Sensor 
      Fig 4: Installing Ambient Temperature Sensor
      G01179033Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Push the sensor in bumper reinforcement.
    2. Connect the connector.
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