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Home >> Kia >> 2019 >> Optima LX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 6) (PHEV) >> DTC P00D2-00: HO2S Heater Control Circuit Range/Performance Bank 1 Sensor 2 >> Wiring Inspection >> Control Circuit Inspection
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Control Circuit Inspection

  1. Ignition "OFF".
  2. Refer to HEATED OXYGEN SENSOR (HO2S) and disconnect Downstream O2 Sensor connector.
  3. Ignition "ON".
  4. Measure voltage between Pin No. 4 (Control) terminal of Downstream O2 Sensor harness connector and chassis ground.

    Specification:  Approx. 0.8V (Duty)

  5. Is the measured value within specification?

    YES 

    NO 

    • Repair open or short in control circuit between Downstream O2 Sensor and ECM/PCM and then go to "VERIFICATION OF REPAIR " procedure.
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