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Home >> Hyundai >> 2017 >> Accent Value Edition >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2128: Accelerator Position Sensor 2 Signal Circuit-High Input >> Wiring Inspection >> Ground Circuit Inspection

Ground Circuit Inspection

  1. IG "OFF" and disconnect APS connector.
  2. Measure voltage between APS2 power terminal of APS harness connector and chassis ground.(Measurement "A")
  3. Measure voltage between APS2 power and APS2 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 

    • Go to Component Inspection procedure below.

    NO 

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