MASS AIR FLOW METER INSPECTION

PROCEDURE


  1. INSPECT MASS AIR FLOW METER


    1. A004JZSE22
      Text in Illustration
      *1 Platinum Hot Wire (Heater)

      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.

    2. A004J8JE14
      Text in Illustration
      *a

      Component without harness connected

      (Mass Air Flow Meter)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 -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 resistance is not as specified, replace the mass air flow meter.