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Home >> Hyundai >> 2009 >> Elantra Touring Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures >> Inspection Chart For Diagnostic Trouble Codes (DTC) >> P0130 O2 Sensor Circuit (Bank 1/Sensor 1) >> Ground Circuit Inspection
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Ground Circuit Inspection

  1. Ignition "OFF"
  2. Disconnect HO2S connector.
  3. Measure resistance between ground terminal of HO2S (B1/S1) harness connector and chassis ground

    Specification :  Approx. 0Ω

  4. Is resistance within the specification?

    YES 

    NO 

    • Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
      NOTE: HO2S must have a clean air reference to function properly. The air is obtained by way of the sensor wire (s). Do not attempt to repair the wire (s), connector, or the terminals.
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