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Home >> Hyundai >> 2014 >> Equus Ultimate >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2123: Accelerator Position Sensor 1 Signal Circuit High Input >> Wiring Inspection >> Signal Circuit Inspection
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Signal Circuit Inspection

  1. IG "OFF" and disconnect APS connector and ECM connector.
  2. Measure resistance between APS1 signal and APS1 power terminals of APS harness connector.
  3. Measure resistance between APS1 signal and APS2 power terminals of APS harness connector.

    Specification:  Infinite

  4. Is the measured resistance within specification?

    YES 

    NO 

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