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Home >> Hyundai >> 2005 >> Elantra GLS, 4D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Troubleshooting Procedures >> DTC P0103: Mass Or Volume Air Flow Circuit High Input >> Signal Circuit Inspection

Signal Circuit Inspection

  1. Ignition "ON" & Engine "OFF".
  2. Measure voltage between terminal 3 of sensor harness connector and chassis ground.

    Specification : Approx. 0V

    Fig 1: Measuring Voltage Between Terminal 3 Of Sensor Harness Connector And Chassis Ground
    G03842683Courtesy of HYUNDAI MOTOR CO.
  3. Is MAF sensor voltage within the specification?

    YES 

    NO 

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