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On-Vehicle Inspection

  1. INSPECT HEATED OXYGEN SENSOR 
    1. Disconnect the heated oxygen sensor connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      HEATED OXYGEN SENSOR

      Tester Connection Condition Specified Condition
      1 (HT) and 2 (+B) 20°C (68°F) 11 to 16 Ω
      Fig 1: Identifying Heated Oxygen Sensor Connector Terminal
      G04943115Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      If the result is not as specified, replace the sensor.

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