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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Control System Diagnosis - 3.3L (6 Of 9)) >> DTC P0455-00: Evaporative Emission System-Leak Detected (Large Leak) >> System Inspection >> Canister Close Valve (CCV) Line Inspection

Canister Close Valve (CCV) Line Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Reconnect all EVAP hardware that was previously disconnected.
  2. Disconnect hose connecting Canister Closing Valve (CCV) to canister.
  3. IG "ON".
  4. Blow air to the canister side of the valve and verify air escapes to the air filter side.
  5. Install GDS and select "CANISTER CLOSE VALVE" on the "Actuation Test" mode.
  6. Activates "CANISTER CLOSE VALVE" by clicking "START" icon.
  7. Blow air into hose and verify air does not escape.
  8. Repeat this procedure 4 or 5 times to ensure CCV reliability.
    G14204863Courtesy of HYUNDAI MOTOR AMERICA
  9. Is CCV working properly?

    YES 

    • Go to next step as below.

    NO 

    • Check for cracks or damage in hose connecting CCV and canister. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
      • If OK, replace CCV. If CCV was stuck closed, inspect all lines and canister for liquid fuel. Replace any contaminated components and blow out lines and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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