MASS AIR FLOW METER INSPECTION

PROCEDURE

  1. INSPECT MASS AIR FLOW METER

    1. A208126E01

      Visually 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.

      Table 1. Text in Illustration

      *1

      Platinum Hot Wire (Heater)

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

    2. A127786E24

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      1 (THA) - 2 (E2)

      -20°C (-4°F)

      13.6 to 18.4 kΩ

      1 (THA) - 2 (E2)

      20°C (68°F)

      2.21 to 2.69 kΩ

      1 (THA) - 2 (E2)

      60°C (140°F)

      0.493 to 0.667 kΩ
      Table 2. Text in Illustration

      *1

      Component without harness connected

      (Mass Air Flow Meter)

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