Prizm L4-108 1.8L DOHC VIN 8 MFI (1998)
7. Apply battery voltage across the terminals of the EVAP pressure switching solenoid.
8. Blow air into port B (2), air should flow through the valve and out of port C (3).
9. Replace the EVAP pressure switching solenoid if the solenoid failed either test.
10. Install the EVAP pressure switching solenoid.