Subaru IMPREZA 2001 - Page 3

ABS-2
ABS (DIAGNOSTICS)
BASIC DIAGNOSTIC PROCEDURE
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 instal-
lation.
NOTE:
• To check harness for broken wires or short circuits, shake it while holding it or the connector.
• When ABS warning light illuminates, read and record trouble code indicated by ABS warning light.
Step Check Yes 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.>
Is unit that might influence the
ABS problem normal?
Go to step
2.
Repair or replace
each unit.
2 CHECK INDICATION OF TROUBLE CODE.
Calling up trouble code. <Ref. to ABS-20,
Read Diagnostic Trouble Code.>
Is trouble code readable? Go to step
3.
Inspect using diag-
nostic chart for
ABS warning light
failure.<Ref. to
ABS-28, Diagnos-
tics Chart with
Diagnosis Con-
nector.>
NOTE:
Call up trouble
code again after in-
specting ABS
warning light.
<Ref. to ABS-20,
Read Diagnostic
Trouble Code.>
3 CHECK TROUBLE CODE.
NOTE:
Record all trouble codes.
Is only the start code issued? Go to step
4.
Go to step
5.
4 PERFORM THE GENERAL DIAGNOSTICS.
1)Inspect using “General Diagnostics Table”.
<Ref. to ABS-186, General Diagnostics Table.>
2)Perform the clear memory mode. <Ref. to
ABS-22, WITHOUT SUBARU SELECT MONI-
TOR, 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.>
Is only the start code issued? Complete the
diagnosis.
Go to step
5.