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Inspection [11/2021 - ]: Procedure

  1. INSPECT AIR FUEL RATIO SENSOR 
    1. Measure the resistance according to the value(s) in the table below.
      GTY746377Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Air Fuel Ratio Sensor)

      Standard Resistance

      Tester Connection Condition Specified Condition
      1 (HA1A) - 2 (+B) 20°C (68°F) 1.4 to 3.0 Ω
      1 (HA1A) - 4 (A1A-) Always 10 kΩ or higher

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

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