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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 >> Ground Circuit Inspection

Ground Circuit Inspection

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

■ Check for Open in Ground circuit 

  1. IG "OFF".
  2. Disconnect APS harness connector and PCM harness connector.
  3. Measure resistance between both ends of APS1 ground line.

    Specification:  Below 1 Ω

  4. Is resistance within specification?

    YES 

    • Go to next procedure.

    NO