Fuel EVAP Control System (ES300)
Start engine and disconnect vacuum hose. See Fig 1. Ensure vacuum occurs at VSV port when choosing ACTIVE TEST and PURGE VSV on hand-held tester. Finish ACTIVE TEST then connect vacuum hose again. After going to ECM DATA MONITOR on hand-held tester, choose PURGE VSV to check operation of purge VSV. After warming up engine and driving vehicle, ensure VSV turns on from off.