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Home >> Hyundai >> 2012 >> Genesis Coupe 2.0T, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC Troubleshooting) (1 Of 3) - 2.0L >> DTC P0136: O2 Sensor Circuit (Bank 1/Sensor 2) >> Ground Circuit Inspection

Ground Circuit Inspection

  1. Ignition "OFF"
  2. Disconnect HO2S connectors
  3. Measure resistance between ground terminal of HO2S (B1S2) harness connector and chassis ground

    Specification:  Approx. 0Ω

    Fig 1: Measuring Resistance Between Ground Terminal Of HO2S (B1S2) Harness Connector & Chassis Ground
    G00520317Courtesy of HYUNDAI MOTOR CO.
  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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