Basic Diagnostic Procedure - Subaru Forester 2001 Service Manual

ABS (DIAGNOSTICS)

1. Basic Diagnostic Procedure

A: PROCEDURE
1. WITHOUT 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 When ABS warning light illuminates, read and record trouble code indicated by ABS warning light.
No.
1 CHECK PRE-INSPECTION.
1) Ask the customer when and how the
trouble occurred using interview checklist.
<Ref. to ABS-6, Check List for Interview.>
2) Before performing diagnosis, inspect unit
which might influence the ABS problem. <Ref.
to ABS-9, INSPECTION, General Descrip-
tion.>
2 CHECK INDICATION OF TROUBLE CODE.
Calling up trouble code. <Ref. to ABS-20,
Read Diagnostic Trouble Code.>
3 CHECK TROUBLE CODE.
NOTE:
Record all trouble codes.
4 PERFORM THE GENERAL DIAGNOSTICS.
1) Inspect using "General Diagnostics Table".
<Ref. to ABS-174, General Diagnostics
Table.>
2) Perform the clear memory mode. <Ref. to
ABS-22, WITHOUT SUBARU SELECT
MONITOR, OPERATION, Clear Memory
Mode.>
3) Perform the inspection mode. <Ref. to
ABS-21, Inspection Mode.>
Calling up the trouble code. <Ref. to ABS-20,
Read Diagnostic Trouble Code.>
BASIC DIAGNOSTIC PROCEDURE
S006501E45
Step
S006501
S006501E4501
Check
Is unit that might influence
the ABS problem normal?
Is trouble code readable?
Is only the start code
issued?
Is only the start code
issued?
ABS-2
Yes
Go to step 2. Repair or replace
each unit.
Go to step 3. Inspect using
diagnostic chart
for ABS warning
light failure.<Ref.
to ABS-28, Diag-
nostics Chart with
Diagnosis Con-
nector.>
NOTE:
Call up trouble
code again after
inspecting ABS
warning light.
<Ref. to ABS-20,
Read Diagnostic
Trouble Code.>
Go to step 4. Go to step 5.
Complete the Go to step 5.
diagnosis.
No