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Home >> Hyundai >> 2007 >> Accent GLS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC Troubleshooting Procedures >> DTC P0134 Ho2S Circuit No Activity Detected (Bank 1 / Sensor 1) >> Signal Circuit Inspection
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Signal Circuit Inspection

  1. IG "OFF".
  2. Disconnect HO2S (B1/S1) connector.
  3. IG "ON" & ENG "OFF".
  4. Measure voltage between terminal 2 of HO2S (B1/S1) and chassis ground.

    Specification: Approx. 0.45V

  5. Is the measured voltage within specification?

    YES  : --> Go to "Ground Circuit Inspection" procedure.

    NO  : --> Repair or replace as necessary and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.

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