PROCEDURE
INSPECT CHARCOAL CANISTER ASSEMBLY (for Fuel Tank Cap Method)
Inspect evaporative emission control system
Check for clogs in the air filter (when not using the GTS).
Put the engine in inspection mode (maintenance mode)
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 assembly to discharge the pressure in the fuel tank assembly.
Close the fuel tank cap assembly and allow the engine to idle for 30 seconds.
Open the fuel tank cap assembly again and check for inhalation sounds.
| OK |
|---|
| No whooshing sounds (inhalation sound) are heard. |
Tech Tips
If there is a smell of gasoline and a whooshing sound (exhalation sound) is heard, positive pressure in the fuel tank assembly is being discharged. This does not indicate a malfunction.
Check for clogs in the air filter (when using the GTS).
Put the engine in inspection mode (maintenance mode)
Connect the GTS to the DLC3.
Start the engine.
Turn the GTS on.
Enter the following menus: Powertrain / Engine / Active Test / Activate the VSV for Evap Control.
| Tester Display |
|---|
| Activate the VSV for Evap Control |
Open the fuel tank cap assembly to discharge the pressure in the fuel tank assembly.
Perform the "Activate the VSV for Evap Control" Active Test while the engine is idling.
Close the fuel tank cap assembly and allow the engine to idle for 30 seconds.
Open the fuel tank cap assembly again and check for inhalation sounds.
| OK |
|---|
| No whooshing sounds (inhalation sound) are heard. |
Tech Tips
If there is a smell of gasoline and a whooshing sound (exhalation sound) is heard, positive pressure in the fuel tank assembly is being discharged. This does not indicate a malfunction.