Hyundai Sonata: Engine Control System / Canister Close Valve (CCV) Repair procedures

Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the CCV connector.
3.
Measure resistance between the CCV terminal 1 and 2.
4.
Check that the resistance is within the specification.

Specification: Refer to "Specification"

5.
Disconnect the vapor hose connected with the canister from the CCV.
6.
Connect a vacuum pump to the nipple.
7.
Ground the CCV control line and apply battery voltage to the CCV power supply line.
8.
Apply vacuum and check the valve operation.

Specification: Vacuum maintained

Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Lift the vehicle.
3.
Remove the rear-left wheel & tire and the wheel house cover.
4.
Disconnect the canister close valve connector (A).
5.
Disconnect the ventilation hose (B) connected to the fuel tank air filter and canister close valve.
6.
Remove the fuel tank air filter after removing the installation bolt (C).

7.
Release the lever (A), and then rotate the canister close valve (B) in the direction of an arrow.
8.
Remove the canister close valve from the fuel tank air filter.

Installation
   
Install the component with the specified torques.
Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.
1.
Installation is reverse of removal.
Canister Close Valve (CCV) Schematic Diagrams
Circuit Diagram ...

Fuel Delivery System
...

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