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Home >> Hyundai >> 2008 >> Tucson GLS, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G4GC - GSL 2.0) >> DTC Troubleshooting Procedures >> DTC P0118 Engine Coolant Temperature Circuit High Input >> Monitor SCANTOOL Data

Monitor SCANTOOL Data

  1. Ignition "ON" & Engine "OFF".
  2. Disconnect ECTS connector.
  3. Connect Scantool and monitor the "COOLANT TEMP. SNSR (V)" parameter on the Scantool data list.
  4. Jumper the terminals 1 and 3 of the sensor harness connector together.

    Specification: Approx. 0V

    Fig 1: Scantool Display - "COOLANT TEMP. SNSR (V)"
    G04810709Courtesy of HYUNDAI MOTOR CO.
  5. Is ECTS parameter near the specified value?

    YES  : --> Possibility of sensor malfunction. Go to "COMPONENT INSPECTION " procedure.

    NO  : --> Possibility of signal circuit short to ground. Go to "W/HARNESS INSPECTION " procedure.

  6. Jumper the terminal 1 of the sensor harness connector to chassis ground.
  7. Read the "COOLANT TEMP. SNSR (V)" parameter on the Scantool.

    Specification: Approx. 0V

  8. Is displayed ECT data near the specified value.?

    YES  : --> Possibility of open in ECTS ground circuit Go to "GROUND CIRCUIT INSPECTION " procedure.

    NO  : --> Possibility of open or short to battery in ECTS signal circuit. Go to "SIGNAL CIRCUIT INSPECTION " procedure.

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