AIR FUEL RATIO SENSOR INSPECTION

PROCEDURE


  1. INSPECT AIR FUEL RATIO SENSOR (for Bank 1)


    1. B000OGPC02
      *A for Bank 1 Sensor 1
      *B for Bank 1 Sensor 2
      *a

      Component without harness connected

      (Air Fuel Ratio Sensor)

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance (for Bank 1 Sensor 1)
      Tester Connection Condition Specified Condition
      1(HA1A) - 2(+B) 20°C (68°F) 1.6 to 3.2 Ω
      3(A1A+) - 4(A1A-) Always 10 kΩ or higher
      Standard Resistance (for Bank 1 Sensor 2)
      Tester Connection Condition Specified Condition
      1(HA1B) - 2(+B) 20°C (68°F) 2 to 6 Ω
      3(A1B+) - 4(A1B-) Always 10 kΩ or higher

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

  2. INSPECT AIR FUEL RATIO SENSOR (for Bank 2)


    1. B000OGPC01
      *A for Bank 2 Sensor 1
      *B for Bank 2 Sensor 2
      *a

      Component without harness connected

      (Air Fuel Ratio Sensor)

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance (for Bank 2 Sensor 1)
      Tester Connection Condition Specified Condition
      1(HA2A) - 2(+B) 20°C (68°F) 1.6 to 3.2 Ω
      3(A2A+) - 4(A2A-) Always 10 kΩ or higher
      Standard Resistance (for Bank 2 Sensor 2)
      Tester Connection Condition Specified Condition
      1(HA2B) - 2(+B) 20°C (68°F) 2 to 6 Ω
      3(A2B+) - 4(A2B-) Always 10 kΩ or higher

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