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HOMESERVICE MANUALSSUBARU2005OUTBACK I, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - ENGINE (DIAGNOSTICS) (H4SO)BASIC DIAGNOSTIC PROCEDUREPROCEDUREENGINE
2005 Subaru Outback i, Standard

Basic Diagnostic Procedure: Procedure: Engine

2005 Subaru Outback i, StandardSECTION 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.
RENDER: 1.0x

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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.