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Home >> Kia >> 2011 >> Rio Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC P0121: Throttle Pedal Position Sensor/Switch A Circuit Range Performance >> Inspection/Repair >> W/Harness Inspection >> TPS Circuit Inspection

TPS Circuit Inspection

  1. Key "OFF".
  2. Disconnect TPS connector.
  3. Key "ON".
  4. Measure the voltage between terminal 1, 2, 3 of TPS harness connector and chassis ground.
    1. Specification :

      Terminal 1 : Approx. 5V

      Terminal 2 : Approx. 5V

      Terminal 3 : Approx. 0V

      Fig 1: Measuring Voltage Between Terminal 1, 2, 3 Of TPS Harness Connector And Chassis Ground
      G06830487Courtesy of KIA MOTORS AMERICA, INC.
  5. Is the measured voltage within specifications?

    YES

    1. Go to "COMPONENT INSPECTION " procedure

    NO

    1. Check for Open or Short in TPS circuit. Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.