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Home >> Hyundai >> 2015 >> Accent GLS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC P0123: Throttle Position Sensor 1 Signal Circuit High Input >> Wiring Inspection >> Signal Circuit Inspection
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Signal Circuit Inspection

  1. IG "OFF" and disconnect ETC Motor & TPS connector.
  2. IG "ON".
  3. Measure voltage between TPS1 signal terminal of ETC Motor & TPS harness connector and chassis ground.

    Specification:  Approx. 5V

  4. Is the measured voltage within specification?

    YES 

    NO