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Home >> Subaru >> 2024 >> Crosstrek Wilderness >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2.5L) (Diagnostics) - Introduction >> Inspection Mode >> Procedure >> Inspection Mode Aa

Inspection Mode Aa

DTC Description & trouble part Condition Number of driving cycles on the detecting condition
P1449 EVAP SYSTEM CLOG DETECTED (AIR FILTER) - 2
WARNING: When performing inspection mode AA 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. Check that the battery voltage is 12 V or more and fuel remains approx. half [20 - 40 L (5.3 - 10.6 US gal, 4.4 - 8.8 Imp gal)].
  2. Using the Subaru Select Monitor, perform the clear memory of [Engine Control System]. Ref. to COMMON (DIAGNOSTICS)>CLEAR MEMORY .
  3. Drive according to the drive pattern described below.
    G16348864Courtesy of SUBARU OF AMERICA, INC.
    (1)  0 km/h (0 MPH) 
    (2)  60 km/h (37 MPH) 
    (A)  Accelerate the vehicle to 60 km/h (37 MPH) (Sudden acceleration prohibited) 
    (B)  Drive the vehicle at a constant speed for 3 minutes  .
    (C)  Decelerating 
    (D)  Vehicle speed 
    (E)  Driving duration 
  4. Read the pending code using the Subaru Select Monitor or general scan tool. Ref. to COMMON (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .