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Home >> Kia >> 2015 >> Sedona EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 4) >> DTC P0133: O2 Sensor Circuit Slow Response (Bank 1/Sensor 1) >> Component Inspection >> Check HO2S(B1S1) Performance
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Check HO2S(B1S1) 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 Fig 1

    Fig 1: Screen Display - Signal Waveform Of HO2S1 At Normal Condition
    G00571243Courtesy of KIA MOTORS AMERICA, INC.
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