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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, clear the memory of [Engine Control System]. Ref. to COMMON (diag)>CLEAR MEMORY .
  3. Drive according to the drive pattern described below.
    G13866194Courtesy of SUBARU OF AMERICA, INC.
  4. Read the temporary code using the Subaru Select Monitor or general scan tool. Ref. to COMMON (diag)>DIAGNOSTIC TROUBLE CODE (DTC) .