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Home >> Hyundai >> 2015 >> Accent GLS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC P2271: O2 Sensor Stuck Rich - Bank1 Sensor 2 >> Wiring Inspection >> Signal Circuit Inspection

Signal Circuit Inspection

  1. IG "OFF" and disconnect HO2S (B1/S2) connector.
  2. IG "ON"
  3. Measure voltage between signal terminal of HO2S (B1/S2) harness connector and chassis ground.

    Specification:  Approx. 0.45V

  4. Is the measured voltage within specification?

    YES 

    NO 

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