2005 Subaru Baja Base, StandardFACTORY OEM SERVICE PROCEDURE

Basic Diagnostic Procedure: Procedure: Engine

ENGINE DIAGNOSTIC PROCEDURE

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

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

  2. Start the engine.
Does the engine start? Go to step 2.Β  Inspection using "Diagnostics for Engine Start Failure". < Ref. to , DIAGNOSTICS FOR ENGINE STARTING FAILUREΒ . >
2. CHECK ILLUMINATION OF CHECK ENGINE MALFUNCTION INDICATOR LAMP (MIL).Β  Does CHECK ENGINE malfunction indicator lamp illuminate? Go to step 3.Β  Inspection using "General Diagnostics Table". < Ref. to , INSPECTIONΒ , General Diagnostic Table. >
3. CHECK INDICATION OF DTC ON DISPLAY.Β 
  1. Turn ignition switch to OFF.
  2. Connect the Subaru Select Monitor or the OBD-II general scan tool to data link connector.
  3. Turn ignition switch to ON and the Subaru Select Monitor or OBD-II general scan tool switch to ON.
  4. Read DTC on the Subaru Select Monitor or OBD-II general scan tool.
Does the Subaru Select Monitor or OBD-II general scan tool indicate DTC? Go to step 4.Β  Repair the related parts.
NOTE: If DTC is not shown on display although the MIL illuminates, perform diagnostics of MIL (CHECK ENGINE malfunction indicator lamp) circuit or combination meter. < Ref. to , ENGINE MALFUNCTION INDICATOR LAMP (MIL)Β . >
4. PERFORM THE DIAGNOSIS.Β 
  1. Inspect using "Diagnostics Procedure with Diagnostic Trouble Code (DTC)".
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    When to See a Mechanic

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

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

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