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Home >> Kia >> 2015 >> Sedona Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 4) >> DTC P0140: O2 Sensor Circuit No Activity Detected (Bank 1/Sensor 2) >> Component Inspection >> Check HO2S(B1S2) Performance
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Check HO2S(B1S2) Performance

  1. Warm up the engine to normal operating temperature.
  2. Connect VMI to GDS and select "Oscilloscope".
  3. Connect Channel A positive probe to Pin No. 1 (high) and Channel A negative probe to Pin No. 2 (low).

    Specification:  Refer to Fig 1

    Fig 1: Screen Display - Signal Waveform Of HO2S 2 At Normal Condition
    G10646029Courtesy of KIA MOTORS AMERICA, INC.
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