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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 48 (Engine Control System Diagnosis - 2.0L (3 Of 3) (Except HEV)) >> DTC P2123: Accelerator Position Sensor 1 Signal Circuit High Input >> Wiring Inspection >> Signal Circuit Inspection

Signal Circuit Inspection

WARNING: This page is about a different variant/trim than selected.

■ Check for Short to Power in Signal circuit 

  1. IG "OFF".
  2. Disconnect APS harness connector.
  3. IG "ON".
  4. Measure voltage between APS1 signal terminal of APS harness connector and chassis ground.

    Specification:  Approx. 0 V

  5. Is voltage within specification?

    YES 

    • Go to next procedure.

    NO