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Home >> Hyundai >> 2016 >> Veloster Base, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) - 1.6L GDI >> DTC P2123: Throttle/Pedal Position Sensor/Switch 'D' Circuit High Input >> Wiring Inspection >> Ground Circuit Inspection
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Ground Circuit Inspection

  1. IG "OFF" and disconnect APS connector.
  2. Measure voltage between APS1 power terminal of APS harness connector and chassis ground (Measurement "A").
  3. Measure voltage between APS1 power and APS1 ground terminals of APS harness connector (Measurement "B").

    Specification:  Voltage difference between measurement "A" and "B" is below 200mV.

  4. Is the measured voltage within specification?

    YES 

    NO 

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