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Home >> Kia >> 2004 >> Rio Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Fuel System & Fault Isolation >> DTC Troubleshooting >> DTC P0123: Throttle Position Sensor Circuit High Input >> Inspection/Repair >> W/Harness Inspection >> Signal Circuit Inspection
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Signal Circuit Inspection

  1. With connector still disconnected, measure voltage between terminal 3 of the sensor harness connector and chassis ground
    1. Specification: Approx. 5V
      Fig 1: Measuring Voltage Between Terminal 3 Of Sensor Harness Connector And Chassis Ground
      G07331625
  2. Is voltage within the specification?

    YES

    1. Go to "COMPONENT INSPECTION " procedure

    NO

    1. Possibility of open or short to power in signal circuit. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure
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