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Home >> Kia >> 2017 >> Sedona L >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0133: O2 Sensor Circuit Slow Response (Bank 1/Sensor 1) >> Wiring Inspection >> Signal Circuit Inspection
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Signal Circuit Inspection

  1. IG "OFF" and disconnect HO2S (B1/S1) connector.
  2. IG "ON".
  3. Measure voltage between Pin No. 1 (high) terminal of HO2S (B1/S1) harness connector and chassis ground.

    Measure voltage between Pin No. 2 (low) terminal of HO2S (B1/S1) harness connector and chassis ground.

    Specification  : 0.5V (high) & 0V (low)

  4. IG "OFF" & Disconnect PCM connector.
  5. Measure resistance between Pin No. 1 (high) terminal of HO2S (B1/S1) harness connector and chassis ground.

    Measure resistance between Pin No. 2 (low) terminal of HO2S (B1/S1) harness connector and chassis ground.

    Specification  :∞ (Infinity)Ω

  6. Is the measured Value within specification?

    YES 

    NO 

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