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Home >> Subaru >> 2019 >> WRX STI Series.Gray >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Diagnostics - Introduction) (STI) >> Drive Cycle >> Procedure >> Preparation For Drive Cycle
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Preparation For Drive Cycle

  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. After performing the diagnostics and Clear Memory Mode, check that no DTC remains. Refer to ENGINE (DIAGNOSTICS) (STI)>CLEAR MEMORY MODE .
  3. Make sure that the delivery mode fuse is removed.
    NOTE: Perform the drive cycle after warming up the engine except when the engine coolant temperature at engine start is specified.
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