Subaru Legacy (2005 year). Manual - part 754

ABS

ABS

Page

1.

General Description ....................................................................................2

2.

ABS Control Module and Hydraulic Control Unit (ABSCM&H/U)................6

3.

ABS Sequence Control .............................................................................10

4.

Front ABS Wheel Speed Sensor...............................................................13

5.

Rear ABS Wheel Speed Sensor ...............................................................15

6.

Front Magnetic Encoder............................................................................16

7.

Rear Magnetic Encoder ............................................................................17

8.

G Sensor ...................................................................................................18

ABS-2

ABS

General Description

1. General Description

A: SPECIFICATION

Item

Specification or identification

ABS wheel speed sensor

ABS wheel speed sensor gap (for refer-
ence)

Front

0.77 — 1.43 mm (0.030 — 0.056 in)

Rear

0.64 — 1.56 mm (0.025 — 0.061 in)

Marks of harness (Marks, Color)

Front

RH

K1 (White)

LH

K2 (Yellow)

Rear

RH

K5 (White)

LH

K6 (Yellow)

G sensor

G sensor voltage

2.3

±0.2 V

ABSCM&H/U identifica-
tion

AT (Except for OUTBACK)

J1

MT (Except for OUTBACK)

J2

AT (OUTBACK)

J3

MT (OUTBACK)

J4

ABS-3

ABS

General Description

B: COMPONENT

1. ABS WHEEL SPEED SENSOR

(1)

G sensor

(4)

Rear ABS wheel speed sensor LH Tightening torque: N

⋅

m (kgf-m, ft-lb)

(2)

Front ABS wheel speed sensor LH

(5)

Hub unit bearing

T1: 7.5 (0.76, 5.5)

(3)

Front housing

(6)

Magnetic encoder

T2: 33 (3.4, 24.3)

T1

ABS00380

T2

T1

(1)

(5)

(4)

(3)

(2)

T2

T1

(6)

T2

ABS-4

ABS

General Description

2. ABS CONTROL MODULE AND HYDRAULIC CONTROL UNIT (ABSCM&H/U)

C: CAUTION

• Wear work clothing, including a cap, protective
goggles and protective shoes during operation.
• Before disconnecting electrical connectors of
sensors or units, be sure to disconnect the ground
cable from battery.
• Before removal, installation or disassembly, be
sure to clarify the failure. Avoid unnecessary re-
moval, installation, disassembly and replacement.
• Be careful not to burn yourself, because each
part on the vehicle is hot after running.
• Be sure to tighten fasteners including bolts and
nuts to the specified torque.
• Place shop jacks or rigid racks at the specified
points.

(1)

ABS control module and hydraulic 
control unit (ABSCM&H/U)

(6)

Primary inlet

Tightening torque: N

⋅

m (kgf-m, ft-lb)

(7)

Secondary inlet

T1: 7.5 (0.76, 5.5)

(2)

Front outlet RH

(8)

Damper

T2: 33 (3.4, 24.3)

(3)

Rear outlet LH

(9)

Spacer

(4)

Rear outlet RH

(10)

Damper

(5)

Front outlet LH

(11)

Bracket

ABS00381

(1)

(8)

(11)

(7)

(6)

(5)

(4)

(3)

(10)

(2)

T1

T2

T2

(9)

T2