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Inspection Mode O

DTC Item Condition Number of driving cycles on the detecting condition
P0441 EVAP SYSTEM (CPC) INCORRECT PURGE FLOW - 2
P04F1 EVAP SYSTEM LOW PRESSURE PURGE LINE PERFORMANCE - 2
WARNING: When performing inspection mode O on a public road, pay sufficient attention to the traffic condition and give the highest priority to safe driving.
NOTE: Perform the inspection mode after warming up the engine except that the engine coolant temperature at engine start is specified.
  1. Drive according to the drive pattern described below.
    G13202316Courtesy of SUBARU OF AMERICA, INC.
  2. Park the vehicle on a safe place.
    NOTE: Driving method while vehicle is driven to a stop at safe place is not restricted.
  3. With the vehicle idling, read the temporary diagnostic code of DTC using Subaru Select Monitor or general scan tool.
    NOTE:
    • For detailed operation procedures, refer to "Common (Diagnostics)"  . Ref. to COMMON (DIAG)>DIAGNOSTIC TROUBLE CODE (DTC) .
    • In the step 3), if the DTC is not displayed on the Subaru Select Monitor or general scan tool display screen, the trouble is resolved.