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Home >> Kia >> 2016 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 2.4L (2 Of 3) - Optima (Except HEV) >> DTC P0222-00: Throttle Position Sensor 2 Signal Circuit Low Input >> Wiring Inspection >> Ground Circuit Inspection

Ground Circuit Inspection

  1. Ignition "OFF".
  2. Disconnect Battery (-) terminal.
  3. Refer to "ETC (ELECTRONIC THROTTLE CONTROL) SYSTEM " and disconnect Throttle Body connector.
  4. Measure resistance between Pin No. 1 (Ground) terminal of Throttle Body harness connector and chassis ground.

    Specification:  Approx. below 1 Ω

  5. Ignition "OFF".
  6. Disconnect Battery (-) terminal.
  7. Refer to "ENGINE CONTROL MODULE (ECM) " and disconnect PCM connector.
  8. Measure resistance between Pin No. 1 (Ground) terminal of Throttle Body harness connector and Pin No. 59 (Ground) terminal of PCM harness connector.

    Specification:  Approx. below 1 Ω

  9. Is the measured value within specification?

    YES 

    NO 

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