Ignition Off.

Disconnect the hose leading from the PCSV to the intake manifold at PCSV.

Apply a vacuum at the nipple and verify that the PCSV holds vacuum.

Perform "Actuation Test" for PCSV.(should hear a faint click from PCSV)

Fig.1) Canister Purge Valve Actuation Test

Vacuum should be released.

Repeat this procedure 4 or 5 times to ensure PCSV reliability.

Is the PCSV working properly?

	▶ Repair as necessary and go to "Verification of vehicle Repair" procedure.
	▶ Go to "Check CCV for leakage" procedure.

Disconnect the hose leading from the CCV to Canister at CCV.

Visually Check any tear of the hose leading from the CCV to Canister

Connect GDS to Data Link Connector(DLC).

apply a vacuum at the nipple and verify that the CCV holds vacuum.

Perform "Actuation Test" for CCV.

Fig.1) Canister Shut Off Valve Actuation Test(Leak Test)

Fig.2) Canister Shut Off Valve Actuation Test(Toggling)

Does CCV operates properly?

	▶ Repair as necessary and go to "Verification of vehicle Repair" procedure.
	▶ Go to "Check Canister for leakage" procedure.

Disconnect the hose leading from the CCV to Canister at Canister.

When the other nipples are plugged, apply a vacuum at the vent nipple and verify that the Canister holds vacuum.

Does a leak exist?

	▶ Repair as necessary and go to "Verification of vehicle Repair" procedure.
	▶ Go to "Check fuel tank for leakage" procedure.

Check fuel tank for crack or leakage.

Does a leak exist?

	▶ Repair as necessary and go to "Verification of vehicle Repair" procedure.
	▶ Carefully re-do this troubleshooting guide steps. ▶ If problem still occurs, replace necessary parts and then go to "Verification of Vechicle Repair" procedure.