PROCEDURE
INSPECT CANISTER (CHARCOAL CANISTER SUB-ASSEMBLY)
Inspect the airflow of the canister (charcoal canister sub-assembly).
Note
When inspecting with parts installed on the vehicle, be sure to remove the fuel tank cap assembly.
| *a | Port A |
| *b | Port B |
| *c | Port C |
| *d | Air |
Close the port (B) and check that air flows from the port (C) when air is blown into the port (A).
Inspect the check valve.
Note
When inspecting with parts installed on the vehicle, be sure to remove the fuel tank cap assembly.
| *a | Port A |
| *b | Port B |
| *c | Port C |
| *d | Air |
Close the port (C) and check that air flows from the port (B) when air is blown into the port (A).
| *a | Port A |
| *b | Port C |
Using a vacuum pump, apply vacuum to the port (A) with the port (C) closed.
| OK |
|---|
| Air does not flow. |
Check for clogs in the air filter (when not using GTS).
Put the engine in inspection mode (maintenance mode).
Start the engine.
Warm up the engine.
Allow the engine to idle.
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 sound (inhalation sound) is heard. |
Tech Tips
If the smell of gasoline is detected 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).
Connect the GTS to the DLC3.
Put the engine in inspection mode (maintenance mode).
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 Active Test "Activate the VSV for Evap Control" with the engine 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 the smell of gasoline is detected and a whooshing sound (exhalation sound) is heard, positive pressure in the fuel tank assembly is being discharged. This does not indicate a malfunction.