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Home >> Subaru >> 2006 >> Baja Turbo, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Engine (Diagnostics) (H4DOTC) >> Basic Diagnostic Procedure >> Procedure >> Engine

Basic Diagnostic Procedure: Procedure: Engine

BASIC DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK ENGINE START FAILURE. 
  1. Ask the customer when and how 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 Start 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 Diagnostics Table". < Ref. to GENERAL DIAGNOSTIC TABLE . >
3 CHECK INDICATION OF DTC ON DISPLAY. 
  1. Turn the ignition switch to OFF.
  2. Connect the Subaru Select Monitor or general scan tool to data link connector.
  3. Turn the ignition switch to ON and the Subaru Select Monitor or general scan tool switch to ON.
  4. Read the DTC on Subaru Select Monitor or general scan tool.
Does the Subaru Select Monitor or general scan tool indicate DTC? Record the DTC code. Repair the trouble cause. < Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > < Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > Repair the related parts.
NOTE: If a DTC is not shown on display although malfunction indicator light illuminates, perform diagnostics of malfunction indicator light circuit or combination meter. < Ref. to MALFUNCTION INDICATOR LIGHT . >
4 PERFORM THE DIAGNOSIS. 
  1. Perform the clear memory mode. < Ref. to CLEAR MEMORY MODE . >
  2. Perform the inspection mode. < Ref. to INSPECTION MODE . >
Does the Subaru Select Monitor or general scan tool indicate DTC? Inspect using "Diagnostics Procedure with Diagnostic Trouble Code (DTC)". < Ref. to DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) . > Complete the diagnosis.