Previa Van LE 4WD L4-2438cc 2.4L DOHC SC MFI (1997)
Evaporative Emission Control Canister: Testing and Inspection
CHARCOAL CANISTER INSPECTION
1. Remove charcoal canister.
2. Remove cap from charcoal canister.
3. Visually inspect charcoal canister.
Look for cracks or damage.
4. Inspect for clogged filter and stuck check valve.
(a) Using low pressure compressed air (4.71 kPa, 48 kg/cm sq., 0.68 psi), blow into tank pipe and check that air flows without resistance from the
other pipes.
(b) Blow air (4.71 kPa, 48 kg/cm sq., 0.68 psi) into purge pipe and check that air does not flow from the other pipes.
If a problem is found, replace the charcoal canister.
