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Home >> Lexus >> 2001 >> LS 430 >> Repair and Diagnosis >> General Information >> OBD-II Drive Cycles >> OBD Monitor Drive Patterns >> Purpose of the Readiness Tests >> 6. EVAP Monitor (Vacuum Monitor And LEV II) >> Drive Pattern
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Drive Pattern

  1. Connect the OBD II scan tool to the DLC3 to check monitor status and preconditions.
  2. Release pressure in fuel tank by removing and then reinstalling the fuel tank cap.
  3. Start the engine and allow to idle until ECT is 167°F (75°C) or higher.
  4. Run the engine at 3,000 rpm for about 10 seconds.
  5. Allow engine to idle with the A/C ON (to create a slight load) for 15 - 50 minutes.
NOTE: If vehicle is not equipped with A/C
  • Securely set the parking brake.
  • Block the drive wheels with wheel chocks.
  • Allow vehicle to idle in drive for 15 - 50 minutes.
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