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Heated Oxygen Sensor: Inspection: Inspection

  1. INSPECT HEATED OXYGEN SENSOR 
    1. Measure the heater resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (HT1B) - 2 (+B)
      (for Bank 1)      		 20°C (68°F) 11 to 16 Ω
      1 (HT2B) - 2 (+B)
      (for Bank 2)

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

      Fig 1: Identifying Terminals Of Heated Oxygen Sensor Connector
      GTY148720Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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