2005 Subaru Outback Limited, AutomaticFACTORY OEM SERVICE PROCEDURE

Basic Diagnostic Procedure: Procedure: Engine

BASIC DIAGNOSTIC PROCEDURE

Step Check Yes No
1. CHECK ENGINE START FAILURE. 
  1. Ask the customer when and how the trouble occurred using the interview check list.

    < Ref. to , CHECK , Check List for Interview. >

  2. Start the engine.
Does the engine start? Go to step 2.  Inspection using "Diagnostics for Engine Starting Failure". < Ref. to , DIAGNOSTICS FOR ENGINE STARTING FAILURE . >
2. CHECK ILLUMINATION OF MALFUNCTION INDICATOR LIGHT.  Does the malfunction indicator light illuminate? Go to step 3.  Inspection using "General Diagnostic Table". < Ref. to , INSPECTION , General Diagnostic Table. >
3. CHECK INDICATION OF DTC ON DISPLAY. 
  1. Turn the ignition switch to OFF.
  2. Connect the Subaru Select Monitor or OBD-II general scan tool to data link connector.
  3. Turn the ignition switch to ON.
  4. Read DTC Subaru Select Monitor or OBD-II general scan tool.
NOTE:
  • Subaru Select Monitor

    For detailed operation procedure, refer to the "Diagnostic Trouble Code (DTC)". < Ref. to , READ DIAGNOSTIC TROUBLE CODE (DTC) . >

  • OBD-II scan tool

    For detailed operation procedure, refer to the OBD-II general scan tool instruction manual .

Is DTC displayed on the Subaru Select Monitor or OBD-II general scan tool? Record the DTC. Repair the trouble cause. < Ref. to , LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . >
Go to step 4. 
Repair the related parts.
NOTE: If DTC is not shown on display although the engine warning light illuminates, perform the diagnostics of malfunction indicator light circuit or combination meter. < Ref. to , MALFUNCTION INDICATOR LIGHT . >
4. PERFORM DIAGNOSIS. 
  1. Perform the clear memory mode. < Ref. to , CLEAR MEMORY MODE . >
  2. Perform the inspection mode. < Ref. to , INSPECTION MODE . >
Is DTC displayed on the Subaru Select Monitor or OBD-II general scan tool? Check on "Diagnostic Chart with Diagnostic Trouble Code (DTC)" < Ref. to , DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) . > Finish the diagnosis.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.