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Home >> Kia >> 2011 >> Rio Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC P0123: Throttle/Pedal Position Sensor/Switch A Circuit High Input >> Inspection/Repair >> W/Harness Inspection >> Ground Circuit inspection

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)
    1. Specification : "A" - "B" = Below 200mV
      Fig 1: Measuring Voltage Between Terminal 2 And 3 Of TPS Harness Connector
      G06830503Courtesy of KIA MOTORS AMERICA, INC.
  6. Is the measured voltage within specifications?

    YES

    1. Go to "SIGNAL CIRCUIT INSPECTION " procedure

    NO

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