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Home >> Hyundai >> 2015 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2123: Accelerator Position Sensor 1 Signal Circuit High Input >> W/Harness Inspection >> Signal Circuit Inspection
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Signal Circuit Inspection

■ Check short to battery in harness 

  1. IG "OFF" and disconnect APS connector and PCM 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

    Fig 1: Measuring Resistance Between APS1 Signal And APS1 Power Terminals Of APS Harness Connector
    G10373817Courtesy of HYUNDAI MOTOR AMERICA
  4. Is the measured resistance within specification?

    YES 

    NO