System Inspection

System Inspection

PCSV Inspection
1. Ignition "OFF"
2. Disconnect the hose leading from the PCSV to intake manifold at intake manifold.
3. Using a vacuum pump, apply vacuum to the manifold side of the vacuum hose and verify PCSV holds vacuum.
4. Ignition "ON" & Engine "OFF"
5. Install scantool 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.
A. Specification:





9. Is PCSV working properly ?
YES
1) Thoroughly check fuel vapor hoses and hose clamp. Repair or replace as necessary and go to next step.
NO
1) 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