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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 57 (Engine Control System Diagnosis (2 Of 2) (HEV)) >> DTC P2123: Throttle/Pedal Position Sensor/Switch 'D' Circuit High Input >> W/Harness 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 KEY OFF.
  2. Disconnect APS harness connector and PCM harness connector.
  3. Measure resistance between both ends of APS1 ground line.

    Specification:  Below 1Ω

    Fig 1: Measuring Resistance Between Both Ends Of APS1 Ground Line
    G10606896Courtesy of HYUNDAI MOTOR AMERICA
  4. Is resistance within specification?

    YES 

    • Go to next procedure.

    NO