PROCEDURE
PERFORM PRELIMINARY INSPECTION
Check for clogs in the air filter (when not using the GTS).
Start the engine.
Warm up the engine.
Allow the engine to idle after the engine has warmed up.
After 15 minutes, open the fuel tank cap to discharge the pressure in the fuel tank.
Close the fuel tank cap and allow the engine to idle for 30 seconds.
Open the fuel tank cap again and check for inhalation sounds.
| OK |
|---|
| No whooshing sounds (inhalation sound) are heard. |
Tech Tips
If gasoline is smelled and a whooshing sound (exhalation sound) is heard, positive pressure in the fuel tank is being discharged. This does not indicate a malfunction.
Check for clogs in the air filter (when using the GTS).
Connect the GTS to the DLC3.
Start the engine.
Turn the tester on.
Enter the following menus: Powertrain / Engine / Active Test / Activate the VSV for Evap Control.
Open the fuel tank cap to discharge the pressure in the fuel tank.
Perform the "Activate the VSV for Evap Control" Active Test while the engine is idling.
Close the fuel tank cap and allow the engine to idle for 30 seconds.
Open the fuel tank cap again and check for inhalation sounds.
| Standard |
|---|
| No whooshing sounds (inhalation sound) are heard. |
Tech Tips
If gasoline is smelled and a whooshing sound (exhalation sound) is heard, positive pressure in the fuel tank is being discharged. This does not indicate a malfunction.
INSPECT CHARCOAL CANISTER ASSEMBLY
Note
When performing inspections with parts installed on the vehicle, be sure to remove the fuel tank cap.
Inspect the airflow of the canister.
Close port B and check that air flows from port C when air is blown into port A.
Inspect the check valve.
Close port C and check that air flows from port B when air is blown into port A.
Close port C, and then, using a vacuum pump, apply vacuum to port A, and check whether the condition is normal.
| OK |
|---|
| Air does not flow. |