2005 Subaru Outback i, AutomaticFACTORY OEM SERVICE PROCEDURE

Basic Diagnostic Procedure: Procedure: Engine

ENGINE DIAGNOSTIC

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 Interviews
  2. Start the engine.
Does the engine start? Go to step 2.  Inspect using "Diagnostics for Engine Starting Failure". < Ref. to , DIAGNOSTICS FOR ENGINE STARTING FAILURES . >
2. CHECK ILLUMINATION OF MALFUNCTION INDICATOR LIGHT.  Does the malfunction indicator light illuminate? Go to step 3.  Inspect using "General Diagnostic Table". < Ref. to , INSPECTION , General Diagnostic Tables. >
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 on Subaru Select Monitor or OBD-II general scan tool.
NOTE:
  • Subaru Select Monitor

    For detailed operation procedure, refer to READ DIAGNOSTIC TROUBLE CODE (DTC) .

  • OBD-II general scan tool

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

Is DTC displayed on the Subaru Select Monitor? 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 LIGHTS . >
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? Check on "Diagnostic Chart with Diagnostic Trouble Code (DTC)" < Ref. to , DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) . > Finish the diagnosis.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.