DTC P043E Evaporative Emission System Reference Orifice Clog Up; DTC P043F Evaporative Emission System Reference Orifice High Flow; DTC P2401 Evaporative Emission System Leak Detection Pump Control Circuit Low; DTC P2402 Evaporative Emission System Leak Detection Pump Control Circuit High; DTC P2419 Evaporative Emission System Switching Valve Control Circuit Low: Description
WARNING: This page is about a different car, the 2008 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.
The circuit description can be found in the EVAP (Evaporative Emission) System (See DESCRIPTION ).