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On-Vehicle Inspection

  1. INSPECT HEATED OXYGEN SENSOR (for Bank 1) 
    1. Disconnect the heated oxygen sensor connector.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 1: Inspecting Heated Oxygen Sensor (for Bank 1)
      GTY353670Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (HT1B) - 2 (+B) 20°C (68°F) 11 to 16 Ω
      1 (HT1B) - 4 (E2) Always 10 kΩ or higher

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

  2. INSPECT HEATED OXYGEN SENSOR (for Bank 2) 
    1. Disconnect the heated oxygen sensor connector.
    2. Measure the resistance according to the value(s) in the table below.
      Fig 2: Inspecting Heated Oxygen Sensor (for Bank 2)
      GTY358925Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (HT2B) - 2 (+B) 20°C (68°F) 11 to 16 Ω
      1 (HT2B) - 4 (E2) Always 10 kΩ or higher

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

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