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Inspection [12/2021 - ]: 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
      C30-1 (HA2A) - C30-2 (+B) 20°C (68°F) 1.4 to 3.0 Ω
      C30-3 (A2A+) - C30-4 (A2A-) Always 10 kΩ or higher
      GTY1074392Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Air Fuel Ratio Sensor)

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

  2. INSPECT NO. 2 AIR FUEL RATIO SENSOR 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C29-1 (HA1A) - C29-2 (+B) 20°C (68°F) 1.4 to 3.0 Ω
      C29-3 (A1A+) - C29-4 (A1A-) Always 10 kΩ or higher
      GTY1074779Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (No. 2 Air Fuel Ratio Sensor)

      If the result is not as specified, replace the No. 2 air fuel ratio sensor.

  3. INSPECT NO. 3 AIR FUEL RATIO SENSOR 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C32-1 (HA2B) - C32-2 (+B) 20°C (68°F) 2 to 6 Ω
      C32-3 (A2B+) - C32-4 (A2B-) Always 10 kΩ or higher
      GTY1074394Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (No. 3 Air Fuel Ratio Sensor)

      If the result is not as specified, replace the No. 3 air fuel ratio sensor.

  4. INSPECT NO. 4 AIR FUEL RATIO SENSOR 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C31-1 (HA1B) - C31-2 (+B) 20°C (68°F) 2 to 6 Ω
      C31-3 (A1B+) - C31-4 (A1B-) Always 10 kΩ or higher
      GTY1074395Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (No. 4 Air Fuel Ratio Sensor)

      If the result is not as specified, replace the No. 4 air fuel ratio sensor.