Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Impreza 2001-2002.2004-2007 Approved Subaru Impreza 2004 WRX STi 02. ENGINE SECTION (STi) 11. ENGINE (DIAGNOSTICS) 01. Basic Diagnostic Procedure

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                                 BASIC DIAGNOSTIC PROCEDURE
ENGINE (DIAGNOSTICS)

1. Basic Diagnostic Procedure
A: PROCEDURE
1. ENGINE

                       Step                                        Check                       Yes                   No
1      CHECK ENGINE START FAILURE.                      Does the engine start?          Go to step 2.       Inspection using
       1)Ask the customer when and how trouble                                                              "Diagnostics for
       occurred using the interview check list.                                                                                                EN(STi)-54, Diag-
       2)Start the engine.                                                                                  nostics for Engine
                                                                                                            Starting Failure.>
2      CHECK ILLUMINATION OF MALFUNCTION Does the malfunction indicator Go to step 3.                       Inspection using
       INDICATOR LIGHT.                  light illuminate?                                                  "General Diagnos-
                                                                                                            tics Table". 
3      CHECK INDICATION OF DTC ON DISPLAY. Does the Subaru Select Moni-                 Record the DTC      Repair the related
       1)Turn the ignition switch to OFF.             tor or OBD-II general scan tool   code. Repair the    parts.
       2)Connect the Subaru Select Monitor or OBD- indicate DTC?                        trouble cause.      NOTE:
       II general scan tool to data link connector.                                      Go     tion indicator light
       4)Read the DTC on Subaru Select Monitor or                                       to step 4.          illuminates,    per-
       OBD-II general scan tool.                                                                            form diagnostics of
                                                                                                            malfunction indica-
                                                                                                            tor light circuit or
                                                                                                            combination
                                                                                                            meter. 
4      PERFORM THE DIAGNOSIS.                           Does the Subaru Select Moni- Inspect using          Complete the
       1)Perform the clear memory mode.                   indicate DTC?                   cedure with Diag-
       2)Perform the inspection mode.                                                     Code (DTC)".
                                                                                        




                                                        EN(STi)-2

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