Subaru Legacy (2005 year). Manual - part 758

ABS-17

ABS

Rear Magnetic Encoder

7. Rear Magnetic Encoder

A: REMOVAL

Refer to “Rear Hub Unit Bearing” for removal, be-
cause the rear magnetic encoder is integrated with
rear hub unit bearing.
<Ref. to DS-19, REMOVAL, Rear Hub Unit Bear-
ing.>

B: INSTALLATION

Refer to “Rear Hub Unit Bearing” for installation,
because the rear magnetic encoder is integrated
with rear hub unit bearing.
<Ref. to DS-20, INSTALLATION, Rear Hub Unit
Bearing.>

C: INSPECTION

Visually check the magnetic encoder for any dam-
age. If necessary, replace with a new hub unit bear-
ing.

NOTE:
Replace the hub unit bearing with a new one if
there is any defect found on the magnetic encoder,
since the magnetic encoder is integrated with hub
unit bearing assembly.

ABS-18

ABS

G Sensor

8. G Sensor

A: REMOVAL

1) Disconnect the ground cable from battery.
2) Remove the console box.
<Ref. to EI-53, REMOVAL, Console Box.>
3) Disconnect the connector from G sensor.
4) Remove the G sensor from body.

CAUTION:
• Do not drop or bump the G sensor.
• Since G sensor is a unit with the bracket, do
not disassemble them.

B: INSTALLATION

Install in the reverse order of removal.

CAUTION:
Do not drop or bump the G sensor.

Tightening torque:

7.5 N

⋅

m (0.76 kgf-m, 5.5 ft-lb)

ABS00463

ABS-19

ABS

G Sensor

C: INSPECTION

Step

Check

Yes

No

1

CHECK G SENSOR.
1) Turn the ignition switch to OFF.
2) Connect the Subaru Select Monitor to data 
link connector.
3) Set the Subaru Select Monitor to the {Brake 
Control} mode.
4) Set the display in the {Current Data Display 
& Save} mode.
5) Read the G sensor output value.

Is the value 

−1.2 — 1.2 m/s

2

 

when the vehicle is in horizon-
tal position?

Go to step 2.

Repair the har-
ness connector 
between G sensor 
and ABSCM&H/U. 
Or replace G sen-
sor.

2

CHECK G SENSOR.
1) Remove the console box.
2) Remove the G sensor from vehicle. (Do not 
disconnect connector.)
3) Read the Subaru Select Monitor display.

Is the value 8.1 — 11.2 m/s

2

 

when G sensor is inclined for-
ward to 90

°?

Go to step 3.

Repair the har-
ness connector 
between G sensor 
and ABSCM&H/U. 
Or replace G sen-
sor.

3

CHECK G SENSOR.
Read the Subaru Select Monitor display.

Is the value 

−8.1 — −11.2 m/s

2

 

when G sensor is inclined 
backward to 90

°?

G sensor is nor-
mal.

Repair the har-
ness connector 
between G sensor 
and ABSCM&H/U. 
Or replace G sen-
sor.

ABS-20

ABS

G Sensor