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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 5.0L (7 Of 9) >> DTC P2128-00: Accelerator Position Sensor 2 Signal Circuit-High Input >> Component Inspection

Component Inspection

  1. Ignition switch OFF and install a GDS.
  2. Warm up the engine to normal operating temperature.
  3. Monitor "APS" parameter on the "Current Data" with GDS.

    Specification: "Current Data"  will be displayed as follows.

  4. Is the measured Current Data O.K?

    YES 

    • Substitute with a known - good ECM and check for proper operation. If the problem is corrected, replace ECM and go to "VERIFICATION OF VEHICLE REPAIR ".

    NO 

    • Substitute with a known-good APS and check for proper operation. If the problem is corrected, replace APS and then go to "VERIFICATION OF VEHICLE REPAIR ".
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