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Home >> Kia >> 2014 >> Forte5 SX, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) - 1.6L >> DTC P2271: O2 Sensor Signal Stuck Rich (Bank 1 Sensor 2) >> Wiring Inspection >> Signal Circuit Inspection

Signal Circuit Inspection

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

    Specification:  Approx 0.45V

  4. Is the measured voltage within specification?

    YES 

    NO 

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