DTC P2419 Evaporative Emission System Switching Valve Control Circuit Low; DTC P2420 Evaporative Emission System Switching Valve Control Circuit High: Description
WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
The description can be found in the EVAP (Evaporative Emission) System (see EVAP SYSTEM ).