PCSV Inspection
- Ignition "OFF"
- Disconnect the hose leading from the PCSV to intake manifold at intake manifold.
- Using a vacuum pump, apply vacuum to the manifold side of the vacuum hose and verify PCSV holds vacuum.
- Ignition "ON" & Engine "OFF"
- Install scantool and select "EVAP PURGE VALVE" on the Actuation Test mode
- Activates "EVAP PURGE VALVE" by pressing "STRT (F1)" key
- Verify PCSV release vacuum while valve is activating (should hear a faint click from PCSV)
- Repeat this procedure 4 or 5 times to ensure PCSV reliability.
SPECIFICATION:
DTC P0441 TEST CONDITION SPECIFICATIONTest Condition Specification PCSV is ON (should hear a faint click from PCSV) Holds vacuum PCSV is OFF Release vacuum - Is PCSV working properly?
YES
NO
- Verify arrow on PCSV is pointing towards intake manifold. If it is not, reverse installation. Reinstall as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- If OK, thoroughly check fuel vapor hoses and hose clamps between PCSV and intake manifold. Repair as necessary. 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