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Mode 4 (EVAP System Repair Verification Drive Mode)

NOTE:
  • If Mode 4 cannot be performed (it is impossible to drive the vehicle under Mode 4 condition), perform evaporative system test procedure as an alternative. SeeENGINE CONTROL SYSTEM OPERATION INSPECTION .
  • Mode 4 can be performed regardless of RFCFLAG status.
  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} 
    • FTL15-85% 
    • B+:above 10.9 V 
  2. Clear DTC from PCM memory using WDS or equivalent.
  3. Start the engine and idle it formore than 10 s  , then turn ignition key toOFF  .
  4. Leave vehicle for5 hours or more  .
  5. Start the engine and idle formore than 15 min  .
  6. Drive the vehicle at an engine speed of65-80 km/h {40-50 mph}  formore than 5 min  .
  7. Stop the vehicle and turn ignition key toOFF  .
  8. Leave vehicle as it is for10 min or more  .
  9. Start the engine.
  10. Access the ON BOARD SYSTEM READINESS to inspect 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 Step 1.
  11. Access the DIAGNOSTIC MONITORING TEST RESULTS to inspect the monitor results.
    • If detected values are not within specification, repair has not completed.
  12. Verify no DTCs are available.
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