Highlander 4WD L4-2.4L (2AZ-FE) (2001)
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Evaporative Emission Control Canister: Testing and Inspection
CHARCOAL CANISTER ASSY [77740]
SST 09992-00242
a. Visually check the charcoal canister for cracks or damage.
b. Inspect the charcoal canister operation.
1. Plug the vent port with the 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 mm.Hg, 1.01 in.Hg) to the purge port, check that the vacuum dose not decrease when the air inlet port is
closed, and check that the vacuum decreases when the air inlet port is released.