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Heated Oxygen Sensor: Inspection: Inspection

  1. INSPECT NO. 2 OXYGEN SENSOR (for Bank 1 Sensor 2) 
    1. Measure the resistance according to the value(s) in the table below.
      Fig 1: Measuring Heated Oxygen Sensor Resistance
      GTY304978Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (No. 2 Oxygen Sensor)

      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 No. 2 oxygen sensor.

  2. INSPECT OXYGEN SENSOR (for Bank 2 Sensor 2) 
    1. Measure the resistance according to the value(s) in the table below.
      Fig 2: Identifying Oxygen Sensor Connector Terminals
      GTY297736Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Oxygen Sensor)

      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 resistance is not as specified, replace the oxygen sensor.

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