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Home >> Kia >> 2005 >> Rio Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures >> DTC Troubleshooting >> DTC P0122: Throttle Position Sensor Circuit Low Input >> Inspection/Repair >> W/Harness Inspection >> Power Supply Circuit Inspection

Power Supply Circuit Inspection

  1. Ignition "OFF"
  2. Disconnect TPS connector.
  3. Ignition "ON" & Engine "OFF".
  4. Measure voltage between terminal 2 of the sensor harness connector and chassis ground.
    1. Specification: Approx. 5V
      Fig 1: Measuring Voltage Between Terminal 2 Of Sensor Harness Connector And Chassis Ground
      G07339420
  5. Is voltage within the specification?

    YES

    1. Go to "SIGNAL CIRCUIT INSPECTION " procedure.

    NO

    1. Possibility of open or short to ground in 5V reference circuit. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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