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Home >> Kia >> 2009 >> Optima EX, 2.7 4 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Control System - 2.4L) >> Engine Coolant Temperature Sensor (ECTS) >> Repair Procedures >> Component Inspection

Component Inspection

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  1. Turn ignition switch OFF.
  2. Disconnect ECTS connector.
  3. Remove the ECTS.
  4. After immersing the thermistor of the sensor into engine coolant, measure resistance between ECTS terminals 3 and 4.
  5. Check that the resistance is within the specification.

    Specification:  Refer to SPECIFICATION .

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