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Home >> Hyundai >> 2007 >> Elantra GLS, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System (G4GC-GSL 2.0) >> DTC Troubleshooting Procedures >> DTC P0136 Ho2S Circuit (Bank 1/Sensor 2) >> Signal Circuit Inspection

Signal Circuit Inspection

  1. Ignition "ON" & Engine "OFF"
  2. Measure voltage between terminal 2 of the sensor harness connector and chassis ground

    Specification : Approx. 0.4~0.5V

  3. Is voltage within the specification?

    YES 

    • Go to next step as below

    NO 

    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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