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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 P0449: Evaporative Emission System-Vent Valve/Solenoid Circuit >> Component Inspection

Component Inspection

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

■ Check CCV resistance 

  1. IG "OFF".
  2. Disconnect CCV harness connector.
  3. Measure resistance between control terminal and power terminal of CCV connector. (Component side)

    Specification: 

    Canister Close Valve (CCV) Normal Parameter At 20°C (68°F)
    Resistance (Ω) 19.8~21.8Ω
    Fig 1: Measuring Resistance Between Control Terminal And Power Terminal Of CCV Connector (Component Side)
    G10606688Courtesy of HYUNDAI MOTOR AMERICA
  4. Is the measured resistance within specification?

    YES 

    • Check for poor connection between PCM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Substitute with a known-good component and check for proper operation. If the problem is corrected, replace it and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.