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Home >> Genesis >> 2018 >> G90 5.0 Ultimate, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 5.0L (3 Of 3) >> DTC P0121 Accelerator Position Sensor 2 Signal Circuit Low Input >> Wiring Inspection >> Power Circuit Inspection

Power Circuit Inspection

  1. IG "OFF".
  2. Disconnect APS connector.
  3. IG "ON" & ENG "OFF".
  4. Measure the voltage between APS 2 power terminal of APS harness connector and chassis ground.

    Specification:  Approx. 5V

  5. Is the measured voltage within specification?

    YES 

    NO 

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