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Home >> Suzuki >> 2013 >> Grand Vitara Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Electrical Devices >> Repair Instructions >> MAF (Mass Air Flow) and IAT (Intake Air Temperature) Sensor Inspection >> MAF sensor inspection
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MAF sensor inspection

  1. Remove MAF and IAT sensor. Refer to MAF (MASS AIR FLOW) AND IAT (INTAKE AIR TEMPERATURE) SENSOR REMOVAL AND INSTALLATION 
  2. Connect battery (2) and voltmeter (3) to MAF and IAT sensor (1) as shown in figure.
  3. Check that voltage varies depending on amount of blowing air as the following graph. If faulty condition is found, replace MAF and IAT sensor.
    Fig 1: Checking Voltage Between MAF Sensor Connector Terminal
    G08895376Courtesy of SUZUKI OF AMERICA CORP.
    Fig 2: MAF Sensor Voltage Graph
    G08895377Courtesy of SUZUKI OF AMERICA CORP.
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