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Air Fuel Ratio Sensor: Inspection: Inspection

  1. INSPECT AIR FUEL RATIO SENSOR (for Bank 1 Sensor 1) 
    1. Measure the resistance according to the value(s) in the table below.
      Fig 1: Inspecting Air Fuel Ratio Sensor (for Bank 1 Sensor 1)
      GTY313773Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (HA1A) - 2 (+B) 20°C (68°F) 1.6 to 3.2 Ω
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Air Fuel Ratio Sensor)

      If the result is not as specified, replace the air fuel ratio sensor.

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