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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 125 (Engine Control System Diagnosis (1 Of 2) (HEV)) >> DTC P0452: Evaporative Emission System-Pressure Sensor Low Input >> W/Harness Inspection >> Control Circuit Inspection

Control Circuit Inspection

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

■ Check for Short to Ground in Signal Circuit 

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

    Specification:  Approx. 4.8V

  5. Is voltage within the specification?

    YES 

    • Go to next step as below.

    NO