DTC Summary

WARNING: This page is about a different car, the 2006 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

EVAPORATIVE EMISSIN SYSTEM

DTC	Monitoring Item	Malfunction Detection Condition	Trouble Area	Detection Timing	Detection Logic
P043E	Reference orifice clogged	P043E, P043F, P2401, P2402 and P2419 present when one of following conditions met during key-off EVAP monitor: Reference orifice clogged Reference orifice high-flow Leak detection pump OFF malfunction Leak detection pump ON malfunction Vent valve ON (close) malfunction	Canister pump module (Reference orifice, leak detection pump, vent valve) Connector/wire harness (Canister pump module - ECM) EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose) ECM	While ignition switch OFF	2 trip
P043F	Reference orifice high-flow
P2401	Leak detection pump stuck OFF
P2402	Leak detection pump stuck ON
P2419	Vent valve stuck closed

HINT:

The reference orifice is located inside the canister pump module.