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Home >> Subaru >> 2009 >> Forester X, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Engine (Diagnostics) (H4SO) >> 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 (5.3 - 10.6 US gal, 4.4 - 8.8 Imp gal)].
  2. After performing the diagnostics and clearing the memory, check for any remaining unresolved trouble data. Refer to CLEAR MEMORY MODE .
  3. Disconnect the delivery (test) mode connector.
NOTE:
  • Perform the diagnosis after warming up the engine except when the engine coolant temperature at starting is specified.
  • Perform the diagnosis twice if the DTC marked with *. After completing the first diagnosis, stop the engine and perform second diagnosis in same condition.