Subaru Forester 2001 - Page 3

1. Basic Diagnostic Procedure
S088501
A: PROCEDURE S088501E45
1. ENGINE S088501E4501
No. 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 EN(DOHC TURBO)-4, CHECK,
Check List for Interview.>
2) Start the engine.
Does the engine start? Go to step 2. Inspection using
“Diagnostics for
Engine Start Fail-
ure”. <Ref. to
EN(DOHC
TURBO)-63, Diag-
nostics for Engine
Starting Failure.>
2 CHECK ILLUMINATION OF CHECK ENGINE
MALFUNCTION INDICATOR LAMP (MIL).
Does CHECK ENGINE
malfunction indicator lamp
illuminate?
Go to step 3. Inspection using
“General Diagnos-
tics Table”. <Ref.
to EN(DOHC
TURBO)-344,
General Diagnos-
tic Table.>
3 CHECK INDICATION OF DTC ON DISPLAY.
1) Turn ignition switch to OFF.
2) Connect the Subaru Select Monitor or the
OBD-II general scan tool to data link connec-
tor.
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?
Record diagnostic
trouble code.
Repair the trouble
cause. <Ref. to
EN(DOHC
TURBO)-82, List
of Diagnostic
Trouble Code
(DTC).> Go to
step 4.
Repair the related
parts.
NOTE:
If DTC is not
shown on display
although the MIL
illuminates, per-
form diagnostics
of MIL (CHECK
ENGINE malfunc-
tion indicator
lamp) circuit or
combination
meter. <Ref. to
EN(DOHC
TURBO)-50,
Engine Malfunc-
tion Indicator
Lamp (MIL).>
4 PERFORM THE DIAGNOSIS.
1) Perform the clear memory mode. <Ref. to
EN(DOHC TURBO)-47, Clear Memory
Mode.>
2) Perform the inspection mode. <Ref. to
EN(DOHC TURBO)-44, Inspection Mode.>
Does the Subaru Select
Monitor or OBD-II general
scan tool indicate DTC?
Inspect using
“Diagnostics Pro-
cedure with Diag-
nostic Trouble
Code (DTC)”.
<Ref. to
EN(DOHC
TURBO)-90, Diag-
nostic Procedure
with Diagnostic
Trouble Code
(DTC).>
Complete the
diagnosis.
EN(DOHC TURBO)-2
BASIC DIAGNOSTIC PROCEDURE
Engine (Diagnostics)