Sienna FWD V6-3.3L (3MZ-FE) (2006)
Evaporative Emission Control Canister: Testing and Inspection
INSPECTION
1. INSPECT CHARCOAL CANISTER ASSEMBLY
a. Visually check the charcoal canister for cracks or damage.
b. Inspect the charcoal canister operation.
1. With the purge port closed, blow air (0.39 kPa, 4.0 kgf/sq.cm, 0.06 psi) into the vent port, and check that air flows from the air inlet port.
2. With the air inlet port closed, blow air (0.39 kPa, 4.0 kgf/sq.cm, 0.06 psi) into the vent port, and check that air flows from the purge port.
3. With the air inlet port closed, apply vacuum (3.43 kPa, 25.7 kgf/sq.cm, 1.01 psi) to the vent port, and check that air is sucked in from the
purge port.
If operation is not as specified, replace the charcoal canister.