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Home >> Hyundai >> 2012 >> Elantra GLS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC P2128: Throttle/Pedal Position Sensor/Switch E Circuit-High Input >> Inspection/Repair >> W/Harness Inspection >> Signal Circuit Inspection
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Signal Circuit Inspection

  1. IG KEY OFF.
  2. Disconnect APS harness connector.
  3. IG KEY ON.
  4. Measure voltage between APS2 signal terminal of APS harness connector and chassis ground.

    Specification:  Approx. 0V

    Fig 1: Measuring Voltage Between APS2 Signal Terminal Of APS Connector And Chassis Ground.
    G07272817Courtesy of HYUNDAI MOTOR CO.
  5. Is voltage within specification?

    YES 

    • Go to next procedure.

    NO 

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