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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 P2127: Accelerator Position Sensor 2 Signal Circuit Low Input >> Wiring Inspection >> Power Circuit Inspection

Power Circuit Inspection

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

■ Check for Short to Ground in Power circuit 

  1. IG "OFF".
  2. Disconnect PCM and APS harness connector.
  3. IG "ON".
  4. Measure resistance between APS2 power terminal of APS harness connector and chassis ground.

    Specification:  Infinite

  5. Is resistance within specification?

    YES 

    • Go to next procedure.

    NO 

■ Check for Open in Power circuit 

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

    Specification:  Approx. 5 V

  5. Is voltage within specification?

    YES 

    • Go to next procedure.

    NO 

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