CHECK PRE-INSPECTION.
1) Ask the customer when and how the trou-
ble occurred using interview checklist. <Ref. to
ABS(diag)-4, Check List for Interview.>
2) Before performing diagnostics, check the
component which might affect ABS problems.
<Ref. to ABS(diag)-8, INSPECTION, General
Description.>

Is the component that might
influence the ABS problem
normal?

Go to step 2.

Repair or replace
each unit.

CHECK DTC.
1) Turn the ignition switch to OFF.
2) Connect the Subaru Select Monitor to data
link connector.
3) Turn the ignition switch to ON and Subaru
Select Monitor power switch to ON.

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 using Subaru Selerct Moni-
tor. <Ref. to ABS(diag)-24, OPERATION, Read
Diagnostic Trouble Code (DTC).>

Is DTC displayed on Subaru
Select Monitor?

Record all DTCs
and Freeze Frame
Data. Go to step 4.

Go to step 3.

PERFORM THE GENERAL DIAGNOSTICS.
1) Inspect using “General Diagnostic Table”.
<Ref. to ABS(diag)-76, General Diagnostic
Table.>
2) Perform 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 does not displayed.

Does the ABS warning light go
off after turning the ignition
switch to ON?

Finish the diagno-
sis.

Check in accor-
dance with “Diag-
nostic Procedure
for ABS”. <Ref. to
ABS(diag)-20,
WITHOUT DTC,
INSPECTION,
Subaru Select
Monitor.>

ABS(diag)-3

ABS (DIAGNOSTICS)

Basic Diagnostic Procedure

PERFORM THE DIAGNOSIS.
1) Refer to the “List of Diagnostic Trouble
Code (DTC)”. <Ref. to ABS(diag)-38, LIST, List
of Diagnostic Trouble Code (DTC).>
2) Fix the wrong part.
3) Perform clear memory mode. <Ref. to
ABS(diag)-17, CLEAR MEMORY MODE,
OPERATION, Subaru Select Monitor.>
4) Perform the inspection mode. <Ref. to
ABS(diag)-25, Inspection Mode.>
5) Read the DTC. <Ref. to ABS(diag)-15,
READ DIAGNOSTIC TROUBLE CODE (DTC),
OPERATION, Subaru Select Monitor.>

Is DTC displayed?

Repeat step 1 to 4
until DTC is not
shown.

Finish the diagno-
sis.

Step

Check

Yes

ABS(diag)-4

ABS (DIAGNOSTICS)

Check List for Interview

2. Check List for Interview

A: CHECK

Check the following items about the vehicle’s state.

1. STATE OF ABS WARNING LIGHT

ABS warning light
comes on.

❏ Always

❏ Sometimes

❏ Only once

❏ Not come on

• When / how long does it come on?

Ignition key position

❏ LOCK

❏ ACC

❏ ON (before starting engine)

❏ START

❏ ON (after Engine starting, engine is running)

❏ ON (after Engine starting, engine is at a standstill)

Timing

❏ Immediately after turning the ignition to ON

❏ Immediately after turning the ignition to START
❏ When accelerating

—

km/h

—

MPH

❏ When driving at a constant speed

km/h

MPH

❏ When decelerating

—

km/h

—

MPH

❏ When turning to the right

Steering angle:

deg

Steering time:

Sec.

❏ When turning to the left

Steering angle:

deg

Steering time:

Sec.

❏ When operating other electrical parts
• Parts name:

• Operating condition:

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