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Inspection [09/2015 - ]: Procedure

  1. INSPECT MASS AIR FLOW METER SUB-ASSEMBLY 
    1. Perform a visual check for any foreign matter on the platinum hot wire (heater) of the mass air flow meter shown in the illustration.
      GTY665462Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK

      There is no foreign material.

    2. Check the intake air temperature sensor (Built into the MAF meter).
      1. Measure the resistance according to the value(s) in the table below.
        GTY263347Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard Resistance

        Tester Connection Condition Specified Condition
        5 (THA) - 4 (E2) -20°C (-4°F) 13.6 to 18.4 kΩ
        20°C (68°F) 2.21 to 2.69 kΩ
        60°C (140°F) 0.49 to 0.67 kΩ

        If the result is not as specified, replace the mass air flow meter sub-assembly.