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Home >> Hyundai >> 2004 >> Elantra GLS, Standard >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> DTC Trouble Shooting Procedures >> DTC P0038: O2 Sensor Heater Circuit High Input (Bank 1, Sensor 2) >> Inspection Procedures >> 5. Check For Open In Harness
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5. Check For Open In Harness

  1. Turn ignition switch to OFF position.
  2. Measure resistance between terminal 4 of the HO2S harness connector and 9 of the ECM harness connector.
    Fig 1: Checking HO2S Harness For Open Circuit
    G00748490Courtesy of HYUNDAI MOTOR CO.

Does resistance indicate continuity? 

Yes: Proceed with ECM problem procedure.

No: Repair open in harness.

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