Subaru IMPREZA GD 2007 Series Manual page 3131

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ABS (DIAGNOSTICS)
1. Basic Diagnostic Procedure
A: PROCEDURE
CAUTION:
Remove foreign matter (dust, water, oil etc.) from the ABSCM&H/U connector during removal and in-
stallation.
NOTE:
• To check harness for open or short circuits, shake the suspected trouble spot or connector.
• Refer to "Check List for Interview". <Ref. to ABS(diag)-4, Check List for Interview.>
Step
1 CHECK PRE-INSPECTION.
1) Ask the customer when and how the trouble
occurred using the interview check list. <Ref. to
ABS(diag)-4, Check List for Interview.>
2) Before performing diagnostics, check the
components which might affect ABS problems.
<Ref. to ABS(diag)-8, INSPECTION, General
Description.>
2 CHECK INDICATION OF DTC ON SCREEN.
1) Turn the ignition switch to OFF.
2) Connect the Subaru Select Monitor to the
data link connector.
3) Turn the ignition switch to ON and run the
Subaru Select Monitor.
NOTE:
If the communication function of the Subaru Se-
lect Monitor cannot be executed normally,
check the communication circuit. <Ref. to
ABS(diag)-18, COMMUNICATION FOR INI-
TIALIZING IMPOSSIBLE, INSPECTION, Sub-
aru Select Monitor.>
4) Read the DTC. <Ref. to ABS(diag)-24,
OPERATION, Read Diagnostic Trouble Code
(DTC).>
5) Record all DTCs and freeze frame data.
3 PERFORM GENERAL DIAGNOSTICS.
1) Perform the inspection using "General Diag-
nostic Table". <Ref. to ABS(diag)-79, General
Diagnostic Table.>
2) Perform the Clear Memory Mode. <Ref. to
ABS(diag)-17, CLEAR MEMORY MODE,
OPERATION, Subaru Select Monitor.>
3) Perform the Inspection Mode. <Ref. to
ABS(diag)-25, Inspection Mode.>
4) Read the DTC. <Ref. to ABS(diag)-15,
READ DIAGNOSTIC TROUBLE CODE (DTC),
OPERATION, Subaru Select Monitor.>
Check the DTC is not displayed.
Basic Diagnostic Procedure
Check
Are components which might
affect the ABS problem operat-
ing correctly?
Is DTC displayed?
Does the ABS warning light go
off after turning the ignition
switch to ON?
ABS(diag)-2
Yes No
Go to step 2.
Repair or replace
each component.
Go to step 4. Go to step 3.
Finish the diagno- Check using "ABS
sis. Diagnostic Proce-
dure". <Ref. to
ABS(diag)-21,
WITHOUT DTC,
INSPECTION,
Subaru Select
Monitor.>