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Home >> Hyundai >> 2006 >> Tiburon GT, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G6BA-GSL 2.7L) >> DTC Troubleshooting Procedures >> DTC P0050 Ho2S Heater Control Circuit (Bank 2/Sensor 1) >> Power Supply Circuit Inspection
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Power Supply Circuit Inspection

  1. Ignition "OFF".
  2. Disconnect HO2S connector.
  3. Ignition "ON" & Engine "OFF".
  4. Measure voltage between terminal 3 of the HO2S heater harness connector and chassis ground.

    Specification: B+

  5. Is voltage within the specification?

    YES: 

    NO: 

    • Check for an open in the power circuit between the main relay and the HO2S.
    • Especially check for "10A Sensor fuse" is installed and not blown.
    • Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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