LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mercedes Benz >> 2002 >> S430 >> Repair and Diagnosis >> General Information >> Computer Relearn Procedures - Import >> ACURA >> System Readiness Test Codes >> EVAP Leak Monitor Code
April 5, 2026: LEMON Manuals is launched! Read the announcement.

EVAP Leak Monitor Code

NOTE: When negative battery cable is disconnected, all readiness codes are cleared. When PCM is cleared with scan tool, all readiness codes are cleared. If engine is stalls or is shut off between steps  6- 16 , repeat procedure again.
  1. Ensure fuel level is between 60 and 90 percent of fuel tank capacity (not full).
  2. Turn ignition switch off.
  3. Let vehicle set for more than 8 hours.
  4. Ensure outside temperature is 20-95°F (-7-35°C)
  5. Connect scan tool to DLC.
  6. Start engine and drive for about 20 minutes.
  7. Maintain vehicle at steady speed between 50 and 70 MPH, without moving accelerator pedal, for about one minute.
  8. Bring vehicle to a stop. Leave engine running at idle speed.
  9. Repeat steps  7 and  8 two more times.
  10. Using scan tool, check readiness code. If readiness code is not complete go to next step.
  11. When ambient temperature is less than 32°F (0°C), hold engine speed at 3,000 RPM with no load (in park or neutral) until radiator fan comes on.
  12. When ambient temperature is more than 86°F (30°C), remove and install gas cap.
  13. Drive vehicle on highway for about 20 minutes.
  14. Maintain vehicle at steady speed between 50 and 70 MPH, without moving accelerator pedal, for about one minute.
  15. Bring vehicle to a stop. Leave engine running at idle speed.
  16. Repeat steps  14 and  15 two more times.
  17. Readiness code should now be set. Use scan tool to check readiness code.
scientia non olet · About LEMON Manuals