2005 Subaru Outback XT, StandardFACTORY 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 FAILURES ,
2 
CHECK ILLUMINATION OF MALFUNCTION INDICATOR LIGHT. 		 Does malfunction indicator light illuminate? Go to step 3.  Inspection using "General Diagnostic Table". < Ref. to , GENERAL DIAGNOSTIC TABLE . >
3 
CHECK INDICATION OF DTC ON SCREEN. 
  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, and the Subaru Select Monitor or OBD-II general scan tool switch to ON.
  4. Read DTC on Subaru Select Monitor or OBD-II general scan tool.
 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 malfunction indicator light illuminates, perform the diagnostics for malfunction indicator light circuit or combination meter. < Ref. to , MALFUNCTION INDICATOR LIGHT . >
4 
PERFORM THE DIAGNOSIS. 
  1. Perform 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.

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