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Home >> Hyundai >> 2004 >> Elantra GLS, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Trouble Shooting Procedures >> DTC P0118: Engine Coolant Temperature Sensor (ECTS) Circuit High Input >> Inspection Procedures >> 3. Check ECTS Resistance

3. Check ECTS Resistance

  1. Turn ignition switch to OFF position.
  2. Check resistance of ECTS between terminals 1 and 3 of the ECTS connector.
    Fig 1: Measuring ECTS Resistance
    G00748550Courtesy of HYUNDAI MOTOR CO.

Is resistance within specification? 

Yes: Go to next step.

No: Replace ECTS.