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Home >> Hyundai >> 2009 >> Tucson GLS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (2.0L) >> Troubleshooting for DTC >> P0137 O2 Sensor Circuit Low Input (Bank 1/Sensor 2) >> Signal Circuit Inspection
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Signal Circuit Inspection

  1. Ignition "OFF"
  2. Disconnect HO2S connector.
  3. Measure resistance between terminal 2 of the sensor harness connector and chassis ground.

    Specification  : Infinite

    Fig 1: Measuring Resistance Between Terminal 2 Of Sensor Harness Connector And Chassis Ground
    G06206394Courtesy of HYUNDAI MOTOR AMERICA
  4. Is resistance within the specification?

    YES 

    NO 

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