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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Engine Control System - 1.6L) >> Heated Oxygen Sensor (HO2S) >> Repair Procedures >> Inspection >> Components Inspection

Components Inspection

WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
  1. Switch "OFF" the ignition.
  2. Disconnect the HO2S connector.
  3. Measure resistance between the HO2S terminals 2 and 5 [Front]

    Measure resistance between the HO2S terminals 3 and 4 [Rear]

  4. Check that the resistance is within the specification.

    Specification: 

    Front heated oxygen sensor: 2.8 - 4.5 Ω

    Rear heated oxygen sensor (HO2S): 5.4 - 6.6 Ω

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