LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> LS 600hL >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Circuit Tests, Component Removal, Inspection & Installation >> EVAP System >> Confirmation Driving Pattern
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Confirmation Driving Pattern

  1. KEY-OFF MONITOR DRIVE PATTERN 
    1. Connect the intelligent tester or Techstream to the DLC3
    2. Confirm the following conditions are satisfied
      • The fuel level is less than 90%
      • The altitude is less than 2400 m (8000 ft.)
      • The vehicle is stopped (the vehicle speed is less than 2 mph)
      • The ECT is 4.4 to 35°C (40 to 95°F)
      • The IAT is 4 4 to 35°C (40 to 95°F)
    3. Perform the drive pattern:
      1. Allow the engine to idle for 5 minutes or more
      2. Turn the power switch OFF and wait 6 hours.
    4. Check the monitor status with the tester
  2. PURGE FLOW MONITOR DRIVE PATTERN (P0441) 
    1. Connect the intelligent tester or Techstream to the DLC3.
    2. Confirm that the following conditions are satisfied
      • The Engine Coolant Temperature (ECT) is more than 4.4°C (40°F).
      • The Intake Air Temperature (IAT) is more than 4 4°C (40°F)
    3. Perform the drive pattern:
      1. Remove and reinstall the fuel cap to release the fuel tank pressure.
      2. Put the engine in inspection mode (see INSPECTION MODE PROCEDURE )
      3. Warm the engine until the ECT reaches 75°C (167°F) or more.
      4. Run the engine at 2500 rpm once
      5. Allow the engine to idle and turn on the air conditioning (A/C) for 1 minute
    4. Check the monitor status with the tester