Mass Air Flow Meter Inspection

Engine. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
3Zr-Fae Engine Control System. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

  1. INSPECT MASS AIR FLOW METER

Mass Air Flow Meter -- Inspection



1. INSPECT MASS AIR FLOW METER


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.3Zr-Fae Engine Control System.Sfi System.Mass Air Flow Meter  Inspection
  1. 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.
    Text in Illustration
    *1
    Platinum Hot Wire (Heater)
    If the result is not as specified, replace the mass air flow meter.


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.3Zr-Fae Engine Control System.Sfi System.Mass Air Flow Meter  Inspection
  1. 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
    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.