PCSV To Intake Manifold Line Inspection

1. Ignition "OFF".
2. Disconnect the hose leading from the PCSV to the intake manifold at PCSV.
3. Using a vacuum pump, apply specified vacuum (Approx. 15 in. Hg) to the manifold side of the valve and verify PCSV holds vacuum.
4. Ignition "ON" and Engine "OFF"
5. Install scan tool and select "EVAP PURGE VALVE" on the Actuation Test mode.
6. Activates "EVAP PURGE VALVE" by pressing "STRT(F1)" key.
7. Verify PCSV release vacuum while valve is activating (should hear a faint click from PCSV).
8. Repeat this procedure 4 or 5 times to ensure PCSV reliability.
9. Is PCSV working properly?

YES 

• Go to "CANISTER CLOSING VALVE (CCV) LINE INSPECTION " procedure

NO 

1. Verify arrow on PCSV is pointing towards intake manifold. If it is not, reverse installation. Reinstall as necessary.
2. If OK, check for cracks or damage in hose connecting PCSV and intake manifold. Repair or replace as necessary.
3. If OK, test with a new PCSV and check for proper operation. If problem is corrected, replace PCSV and go to "VERIFICATION OF VEHICLE REPAIR " procedure