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Inspection Mode O

DTC Description & trouble part 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. Using the Subaru Select Monitor, perform the clear memory of [Engine]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY .
  2. Drive according to the drive pattern described below.
    G16348857Courtesy of SUBARU OF AMERICA, INC.
    (A) Drive the vehicle at a vehicle speed of 60 km/h (37 MPH) or more for at least 5 minutes in fully warm-up condition.
    (B) Decelerate with the throttle fully closed for at least 3 seconds.
    (C) Drive the vehicle at a constant vehicle speed by depressing the accelerator pedal for at least 30 seconds.
    (D) Vehicle speed km/h (MPH)
    (E) Sec.
  3. Park the vehicle on a safe place.
    NOTE: Driving method while vehicle is driven to a stop at safe place is not restricted.
  4. With the vehicle idling, read the pending code of DTC using Subaru Select Monitor or general scan tool.
    NOTE: