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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 91 (Engine Control System Diagnosis - 1.6L (3 Of 3) - Optima (Except HEV)) >> DTC P2422: Evaporative Emission System Vent Valve Stuck Closed >> Component Inspection

Component Inspection

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

■ Check CCV for leakage 

  1. Disconnect the hose leading from the CCV to Canister at CCV.
  2. Visually Check any tear of the hose leading from the CCV to Canister.
  3. Connect KDS/GDS to Data Link Connector (DLC).
  4. Apply a vacuum at the nipple and verify that the CCV holds vacuum.
  5. Perform "Actuation Test"  for CCV.
    Fig 1: Screen Display - Canister Shut Off Valve Actuation Test (Leak Test)
    G11832653Courtesy of KIA MOTORS AMERICA, INC.
    Fig 2: Screen Display - Canister Shut Off Valve Actuation Test (Toggling)
    G11832654Courtesy of KIA MOTORS AMERICA, INC.
  6. Does CCV operates properly?

    YES 

    NO 

    • Go to "Inspect CCV" procedure below.

■ Inspect CCV 

  1. Ignition "OFF"
  2. Disconnect CCV connector.
  3. Measure resistance between power and control terminal of the CCV. (Component Side)

    Specification:  Approx. 20Ω [20°C (68°F)]

    Fig 3: Screen Display - Resistance Of CCV
    G11832655Courtesy of KIA MOTORS AMERICA, INC.

■ Confirm Part Inspection 

  1. Does the CCV operate properly? (Check variation)

    YES 

    NO 

    • Carefully re-do this troubleshooting guide steps.
    • If problem still occurs, replace CCV and then go to "SYSTEM INSPECTION " procedure.