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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 P0448: Evaporative Emission System - Vent Control Circuit Shorted >> W/Harness Inspection >> Control Circuit Inspection

Control Circuit Inspection

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

■ Check for Open in Control Circuit 

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

    Specification:  Approx. 4V

    Fig 1: Measuring Voltage Between Control Terminal Of CCV Harness Connector And Chassis Ground
    G10606686Courtesy of HYUNDAI MOTOR AMERICA
  5. Is voltage within the specification?

    YES 

    • Go to next step as below.

    NO