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Home >> Kia >> 2016 >> K900 V8 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 5.0L (1 Of 4) >> DTC P0140: O2 Sensor Circuit No Activity Detected (Bank 1 / Sensor 2) >> Wiring Inspection >> Ground Circuit Inspection

Ground Circuit Inspection

  1. Ignition "OFF"
  2. Disconnect Battery (-) terminal.
  3. Refer to "HEATED OXYGEN SENSOR (HO2S) " and disconnect Downstream O2 Sensor connector.
  4. Measure resistance between Pin No. 2 (Ground) terminal of Downstream O2 Sensor harness connector and chassis ground.

    Specification:  Approx. below 1Ω

  5. Is measured value within specification?

    YES 

    NO 

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