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Home >> Lexus >> 2008 >> LS 600hL >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTC P0120 - P0453 >> DTC P0441: Evaporative Emission Control System Incorrect Purge Flow >> DTC Summary
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DTC Summary

DTC DETECTION CONDITION CHART

DTC No. Monitoring Item Malfunction Detection Condition Trouble Area Detection Timing Detection Logic
P0441 Purge VSV (Vacuum Switching Valve) stuck open Following conditions are met during EVAP key-off monitor
  • Purge VSV open stuck
  • Large leak
  • Canister large leak
  • EVAP leak
  • Purge VSV
  • Connector/wire harness (Purge VSV - ECM)
  • Canister pump module
  • ECM
While power switch OFF 2 trip
Purge VSV stuck closed Purge VSV close stuck is detected during EVAP key-off monitor While power switch OFF 2 trip
Purge flow Insufficient EVAP purge flow is detected during engine running While engine running 2 trip