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On-Vehicle Inspection

  1. INSPECT HEATED OXYGEN SENSOR 
    Fig 1: Identifying Heated Oxygen Sensor Connector
    GTY126798Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the heated oxygen sensor connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (HT) and 2 (+B) 20°C (68°F) 11 to 16 Ω

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

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