Corolla LE Sedan L4-1.8L (1ZZ-FE) (1999)
b. Inspect the charcoal canister operation.
1. Plug the vent port with a cap.
2. While holding the purge port closed, blow air (1.76 kPa, 18 gf/sq.cm, 0.26 psi) into the EVAP port and check that air flows from the air
drain port.
3. While holding the purge port and the air drain port closed, blow air (1.76 kPa, 18 gf/sq.cm, 0.26 psi) into the EVAP port and check that
air does not flow from the air inlet port.
4. Apply vacuum (3.43 kPa, 25.7 mmHg, 1.01 in.Hg) to the purge port, check that the vacuum does not decrease when the air inlet port is
closed, and check that the vacuum decreases when the air inlet port is released.
5. While holding the air inlet port closed, apply vacuum (3.43 kPa, 25.7 mm Hg, 1.01 in.Hg) to the EVAP port and check that air flows into
the purge port.
If operation is not as specified, replace the charcoal canister.
6. Remove the cap from the vent port.
9. INSPECT VSV FOR EVAP
10. INSPECT VSV FOR VAPOR PRESSURE SENSOR
11. INSPECT VAPOR PRESSURE SENSOR