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Inspection [07/2020 - ]: Procedure

  1. INSPECT AIR FUEL RATIO SENSOR 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      1(HA1A) - 2(+B)
      1(HA2A) - 2(+B)
      20°C (68°F) 1.6 to 3.2 Ω
      3(A1A+) - 4(A1A-)
      3(A2A+) - 4(A2A-)
      Always 10 kΩ or higher
      GTY809309Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A for Bank 1
      *B for Bank 2
      *a Component without harness connected
      (Air Fuel Ratio Sensor)

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