Basic Diagnostic Procedure - Subaru Legacy 2002 Service Manual

No.
5 PERFORM THE DIAGNOSIS.
1) Inspect using "Diagnostics Chart with Diag-
nostic Connector". <Ref. to ABS-28, Diagnos-
tics Chart with Diagnosis Connector.>
NOTE:
For diagnostic trouble code (DTC) list, refer to
"List of Diagnostics Trouble Code (DTC)".
<Ref. to ABS-23, WITHOUT SUBARU
SELECT MONITOR, LIST, List of Diagnostics
Trouble Code (DTC).>
2) Repair trouble cause.
3) Perform the clear memory mode. <Ref. to
ABS-21, WITHOUT SUBARU SELECT
MONITOR, OPERATION, Clear Memory
Mode.>
4) Perform the inspection mode. <Ref. to
ABS-20, Inspection Mode.>
5) Calling up the diagnostic trouble code
(DTC). <Ref. to ABS-18, Read Diagnostic
Trouble Code (DTC).>
2. WITH SUBARU SELECT MONITOR
CAUTION:
Remove foreign matter (dust, water, etc.) from the ABSCM&H/U connector during removal and
installation.
NOTE:
¼ To check harness for broken wires or short circuits, shake it while holding it or the connector.
¼ Check list for interview. <Ref. to ABS-25, WITH SUBARU SELECT MONITOR, LIST, List of Diagnostics
Trouble Code (DTC).>
No.
1 CHECK PRE-INSPECTION.
1) Ask the customer when and how the
trouble occurred using interview checklist.
<Ref. to ABS-5, Check List for Interview.>
2) Before performing diagnosis, inspect unit
which might influence the ABS problem. <Ref.
to ABS-8, INSPECTION, General Descrip-
tion.>
2 CHECK INDICATION OF TROUBLE CODE
DISPLAY.
1) Turn ignition switch to OFF.
2) Connect the SUBARU SELECT MONITOR
to data link connector.
3) Turn ignition switch to ON and SUBARU
SELECT MONITOR to ON.
NOTE:
If the communication function of the select
monitor cannot be executed normally, check
the communication circuit. <Ref. to ABS-82,
COMMUNICATION FOR INITIALIZING
IMPOSSIBLE, Diagnostics Chart with Subaru
Select Monitor.>
4) Read diagnostic trouble code (DTC). <Ref.
to ABS-17, READ CURRENT DATA,
OPERATION, Subaru Select Monitor.>
5) Record all diagnostic trouble codes (DTC)
and frame data.

BASIC DIAGNOSTIC PROCEDURE

Step
Is only the start code
issued?
S006501E4502
Step
Is unit that might influence
the ABS problem normal?
Is the corresponding
trouble encoding?
ABS-3
Check Yes
Complete the
diagnosis.
Check Yes
Go to step 2.
Go to step 3.
ABS (Diagnostics)
No
Inspect using
"Diagnostics Chart
with Diagnostic
Connector". <Ref.
to ABS-28, Diag-
nostics Chart with
Diagnosis Con-
nector.>
No
Repair or replace
each unit.
Go to step 4.