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Inspection [10/2014 - ]: Procedure

  1. INSPECT INTAKE MASS AIR FLOW METER SUB-ASSEMBLY 
    1. Perform a visual check for any foreign matter on the platinum hot wire (heater) of the intake mass air flow meter sub-assembly as shown in the illustration.
      GTY518652Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Platinum Hot Wire (Heater)

      OK

      There is no foreign matter.

    2. Check the intake air temperature sensor (built into the intake mass air flow meter sub-assembly).
      1. Measure the resistance according to the value(s) in the table below.
        GTY496511Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Component without harness connected
        (Intake Mass Air Flow Meter Sub-assembly)

        Standard Resistance

        Tester Connection Condition Specified Condition
        1 (THA) - 2 (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 intake mass air flow meter sub-assembly.