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Home >> Kia >> 2009 >> Rio Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (1 Of 2) >> DTC P0123 Throttle/Pedal Position Sensor/Switch "A" Circuit High Input >> Ground Circuit Inspection
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Ground Circuit Inspection

  1. Key "OFF".
  2. Disconnect TPS connector.
  3. Key "ON".
  4. Measure the voltage between terminal 2 of TPS harness connector and chassis ground (A).
  5. Measure the voltage between terminal 2 and 3 of TPS harness connector (B).

    Specification: "A" - "B" = Below 200mV

  6. Is the measured voltage within specifications?

    YES 

    NO