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Home >> Kia >> 2004 >> Rio Base, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Fuel System & Fault Isolation >> DTC Troubleshooting >> DTC P0122: Throttle Position Sensor Circuit Low Input >> Inspection/Repair >> W/Harness Inspection >> Signal Circuit Inspection
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Signal Circuit Inspection

  1. Ignition "ON"
  2. 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
      G07331612
  3. Is voltage within the specification?

    YES

    1. Go to "COMPONENT INSPECTION " procedure

    NO

    1. Check the short to ground in signal circuit.
    2. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure