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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 P0111: Intake Air Temperature Sensor1 Circuit Range/Performance >> Component Inspection
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Component Inspection

  1. Ignition "OFF"
  2. Disconnect IATS connector.
  3. Measure resistance between terminals 1 and 5 of the sensor connector(Component side).

    SPECIFICATION 

    IATS RESISTANCE SPECIFICATIONS

    IATS Normal Parameter
    20 °C (68°F) 40°C (104°F) 80°C (176°F)
    Resistance 2.35 ~ 3.54M 1.11 ~ 1.19 0.31 ~ 0.32
    Fig 1: Measuring Resistance Between Terminals 1 And 5 Of Sensor Connector
    G03842687Courtesy of HYUNDAI MOTOR CO.
  4. Is resistance within the specification?

    YES 

    • Check for poor connection between PCM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR  procedure.

    NO 

    • Check IATS for contamination, deterioration, or damage. Substitute with a known-good IATS and check for proper operation. If the problem is corrected, replace IATS and then go to VERIFICATION OF VEHICLE REPAIR  procedure.