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Home >> Kia >> 2016 >> Forte5 SX, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L (3 Of 3) >> 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