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Home >> Kia >> 2021 >> K5 EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 1.6L >> Heated Oxygen Sensor (HO2S) >> Repair Procedures >> Inspection >> Component Inspection
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Component Inspection

  1. Disconnect the negative (-) battery terminal.
  2. Disconnect the HO2S connector.
  3. Measure resistance between the HO2S terminals.

    Front  : Pin 2 to Pin 5

    Rear  : Pin 3 to Pin 4

  4. Check that the resistance is within the specification.

    Specification  : Refer to Specification