FUNCTION OF MAIN COMPONENTS
The main components of the evaporative emission control system are as follows:
| Component | Function |
|---|---|
| Canister | Contains activated charcoal to absorb the fuel vapor that is created in the fuel tank assembly. |
| Purge VSV | Opens in accordance with the signals from the ECM when the system is purging in order to send the fuel vapor that was absorbed by the canister into the intake manifold. |
| ECM | Controls the purge VSV in accordance with the signals from various sensors in order to achieve a purge volume that suits the driving conditions. |
SYSTEM CONTROL
The ECM controls the purge flow of the evaporative emission (HC) from the canister in accordance with engine conditions.