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Inspection [08/2015 - ]: Procedure

  1. INSPECT MASS AIR FLOW METER 
    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.

      OK

      There is no foreign matter.

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

      GTY131589Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check the IAT sensor.
      GTY569605Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Condition Specified Condition
        4 (THA) - 5 (E2) -20°C (-4°F) 12.5 to 16.9 kΩ
        20°C (68°F) 2.19 to 2.67 kΩ
        60°C (140°F) 0.50 to 0.68 kΩ

        If the result is not as specified, replace the MAF meter.

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