Mass Air Flow Meter Inspection

Engine. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
2Gr-Fe 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, 35.2Gr-Fe Engine Control System.Sfi System.Mass Air Flow Meter  Inspection
  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.


    Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35.2Gr-Fe 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)
    0.49 to 0.67 kΩ
    If the result is not as specified, replace the mass air flow meter.