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Home >> Kia >> 2024 >> Carnival SX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System >> Heated Oxygen Sensor (HO2S) >> On Vehicle Inspection >> Component Inspection
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Component Inspection

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

    Front:  Pin 4 to Pin 5

    Rear:  Pin 3 to Pin 4

    [Front] 

    G14797231Courtesy of KIA MOTORS AMERICA, INC.

    [Rear] 

    G14797232Courtesy of KIA MOTORS AMERICA, INC.
  4. Compare the measured resistance with the specification below.

    Specification: 

    Front: 2.8 - 4.5 Ω

    Rear: 5.4 - 6.6 Ω