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Home >> Kia >> 2007 >> Rondo Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> DTC Troubleshooting Procedures (1 Of 2) - 2.4L >> DTC P0123 Throttle/Pedal Position Sensor/Switch "A" Circuit High Input >> Signal Circuit Inspection

Signal Circuit Inspection

NOTE: Check for open or short circuit in harness. Refer to "SIGNAL WAVEFORM & DATA " in the "General Information" procedure
  1. Check for short to battery in signal circuit
    1. Disconnect ECM connector
    2. Ignition "ON" & Engine "OFF"
    3. Measure voltage between terminal 4 of the sensor harness connector and chassis ground

      Specification : Approx. 0V

    4. Is voltage within the specification?

      YES 

      • Go to next step

      NO 

  2. Check for open in signal circuit
    1. Ignition "OFF"
    2. Measure resistance between terminals 4 of the sensor harness connector and 41 of the ECM harness connector

      Specification : Approx. 0Ω

    3. Is resistance within the specification?

      YES 

      NO 

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