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Home >> Mazda >> 2004 >> 3 i, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System] >> OBD-II Drive Mode >> EVAP System Repair Verification Drive Mode
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EVAP System Repair Verification Drive Mode

NOTE:
  • If "EVAP System Repair Verification Drive Mode" cannot be performed (it is impossible to drive the vehicle under this drive mode condition), perform evaporative system test procedure as an alternative. See ENGINE CONTROL SYSTEM OPERATION INSPECTION .
  1. Verify that all of the following PIDs are within the following specifications. All PIDs must be within specifications before engine is started to initiate the evaporative system test.
    • BARO: 72.3 kPa {542 mmHg, 21.3 inHg}  or higher
    • IAT: 5-35 °C {41-95 °F} 
    • FTL: 15-85% 
    • B+: above 10.9 V 
  2. Clear DTC from PCM memory using WDS or equivalent.
  3. Start the engine and idle it for more than 10 s,  then turn the ignition switch off.
  4. Leave vehicle for 5 hours or more. 
  5. Start the engine and idle for more than 15 min. 
  6. Drive the vehicle at an engine speed of 65-80 km/h {40-50 mph}  for more than 5 min. 
  7. Stop the vehicle and turn the ignition switch off.
  8. Leave vehicle as it is for 10 min or more. 
  9. Start the engine.
  10. Access the ON BOARD SYSTEM READINESS to verify the OBD monitoring status.
    • If completed, the OBD monitoring status items change from non-completed to completed.
    • If not completed, turn the ignition key off then go back to Steps  1 .
  11. Access the DIAGNOSTIC MONITORING TEST RESULTS to verify the monitor results.
    • If detected values are not within specification, repair has not completed.
  12. Verify no DTCs are available.