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Home >> Toyota >> 2009 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Engine Control System (1AR-FE) - DTC P0125 - P0500) >> DTC P043E Evaporative Emission System Leak Detection Reference Orifice Low Flow; DTC P043F Evaporative Emission System Reference Orifice High Flow; DTC P2401 Evaporative Emission Leak Detection Pump Stuck OFF; DTC P2402 Evaporative Emission Leak Detection Pump Stuck ON; DTC P2419 Evaporative Emission System Switching Valve Control Circuit Low >> DTC Summary

DTC Summary

WARNING: This page is about a different variant/trim than selected.
DTC SUMMARY

DTC No. Monitoring Item Malfunction Detection Condition Trouble Area Detection Timing Detection Logic
P043E Reference orifice clogged P043E, P043F, P2401, P2402 and P2419 stored 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 (closed) 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.