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Home >> Hyundai >> 2011 >> Elantra Touring GLS, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control System Diagnosis >> Inspection Chart For Diagnostic Trouble Codes (DTC) >> P0134: O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) >> Terminal and Connector Inspection

Terminal and Connector Inspection

  1. Ignition "ON" & Engine "OFF"
  2. Monitor the O2 SNSR VOL.-B1/S1 parameter on the GDS data list while wiggling the wiring harness and related connectors.
  3. The value should remain more or less unchanged. If not, check for the following conditions:
    • Check for corrosion on terminals
    • Check for terminal tension (at the HO2S and at the PCM)
    • Check for damaged wiring
    • Check the HO2S ground circuit for a good connection
    • Check the 15A sensor 2 fuse
    • Check front and rear HO2S for connections being reversed.
  4. Was a problem found in any of the above areas?

    YES 

    NO 

    • Go to next step as below.
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