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Heated Oxygen Sensor: Inspection

  1. INSPECT OXYGEN SENSOR (for Bank 1) 
    1. Measure the resistance between terminals 1 (HT) and 2 (+B).
      Fig 1: Identifying Oxygen Sensor Connectors (For Bank 1)
      G05200996Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard resistance 

      STANDARD RESISTANCE SPECIFICATION

      Condition Specified Condition
      20°C (68°F) 11 to 16 Ω

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

  2. INSPECT OXYGEN SENSOR (for Bank 2) 
    1. Measure the resistance between terminals 1 (HT) and 2 (+B).
      Fig 2: Identifying Oxygen Sensor Connectors (For Bank 2)
      G05200997Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard resistance 

      STANDARD RESISTANCE SPECIFICATION

      Condition Specified Condition
      20°C (68°F) 11 to 16 Ω

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

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