Mass Air Flow Meter Inspection

Engine Hybrid System. Corolla. Zre142 Aze141
2Zr-Fe Engine Control. Corolla. Zre142 Aze141

  1. INSPECT MASS AIR FLOW METER

Mass Air Flow Meter -- Inspection



1. INSPECT MASS AIR FLOW METER


    Corolla. Zre142 Aze141.2Zr-Fe Engine Control.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.

    Result:
    No foreign matter attached.
    If the result is not as specified, replace the mass air flow meter.


    Corolla. Zre142 Aze141.2Zr-Fe Engine Control.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
    20°C (68°F)
    		 2.21 to 2.69 kΩ
    60°C (140°F)
    		 0.49 to 0.67 kΩ