display SUBARU LEGACY 1997 Service Owner's Manual

BRAKES
[ABS
5
.3i
TYPE]
[T10AJ4]
4-4d

10
.
Diagnostics
Chart
with
Select
Monitor

G-SENS
(F
10)

2
.30
v

B4M0927
I

Front

r

0

B4M0917A

0

Front

a
B4M0918A

I10AJ1
CHECK
(
TURN
NG

LL
FOUR
WHEELS
FOR
FREE

CHECK
:
Have
the
wheels
been
turned
freely
such
as

when
the
vehicle
is
lifted
up,
or
operatedon
a
rolling
road?

,rES
:
The
ABS
is
normal
.
Erase
the
trouble
code
.

No
:
Go
to
step
10AJ2
.

J2
CHECK
OUTPUT

I
SEL
CT
MONITORF

G
SENSOR
USING

1)
Press
[F],
[1]
and
[0]
on
the
select
monitor
.

2)
Read
the
select
monitor
display
.

CHECK
:
Is
theindicated
reading
between
2
.1
and
2
.5

Vwhen
the
vehicle
is
in
horizontalposition?

ves
:
Go
to
step
10AJ3
.

No
:
Go
to
step
10AJ8
.

I10AJ3
CHECK
OUTPUT

(SELECT
MONITORF

G
SENSOR
USING

1)
Turn
ignition
switchto
OFF
.

2)
Remove
console
box
.

3)
Remove
G
sensorfrom
vehicle
.
(Do
notdisconnect

connector
.)

4)
Turn
ignition
switch
to
ON
.

5)
Press
[F],
[1]
and
[0]
on
the
select
monitor
.

6)
Read
the
select
monitor
display
.

CHECK
;
Is
theindicated
reading
between
3
.7
and
4
.1

V
when
G
sensor
is
inclined
forwards
to
90°?

Go
to
step
10AJ4
.

No
:
Replace
G
sensor
.

I10AJ4
CHECK
OUTPUT

I
SELECT
MONITOR

F
G
SENSOR
USING

Read
the
select
monitor
display
.

CHECK
:
Is
theindicated
reading
between
0
.5
and
0
.9

Vwhen
G
sensor
is
inclined
backwards
to

90°?

vES
:
Go
to
step
10AJ5
.

No
:
Replace
G
sensor
.

205

B4M0997
5) The message shown in the figure is displayed.
B4M0998
6) The message shown in the figure is displayed as fol-
lows:
(1) When using the brake tester, depress brake pedal
with braking force of 981 N (100 kg, 221 lb).
(2) When using the pressure gauge, depress brake
pedal so as to make the pressure gauge indicate 3,432
kPa (35 kg/cm
2, 498 psi).
CAUTION:
Do not depress the clutch pedal.
B4M0999
7) When the message shown in the figure is displayed,
press ENT key.
8) Check points will be displayed on select monitor.
B4M1000
9) When ABS sequence control cannot be started (by sys-
tem malfunction, etc.), the message shown in the figure will
be displayed.
NOTE:
Read the trouble codes. Repair faulty parts.
B4M1030
10) After completion of ABS sequence control, turn ignition
switch OFF.
84
4-4SERVICE PROCEDURE
15. Hydraulic Unit for ABS System (ABS 5.3 Type)

B4M0917A
: Connector & terminal
(P9) No. 2 (+)—No.1()
Is voltage 3.9±0.2 V when G sensor is
inclined forwards to 90°?
: Go to next.
: Replace G sensor.
B4M0918A
: Connector & terminal
(P9) No. 2 (+)—No.1()
Is voltage 0.7±0.2 V when G sensor is
inclined backwards to 90°?
: G sensor is normal.
: Replace G sensor.
2. USING SELECT MONITOR
1) Turn ignition switch to OFF.
2) Connect select monitor connector to data link connec-
tor.
3) Turn select monitor into ABS mode.
B4M0927
4) Press F,1and 0on the select monitor.
5) Rear the select monitor display.
: Is the indicated reading 2.3±0.2 V when the
vehicle is in horizontal position?
: Go to next step 6).
: Replace G sensor.
6) Remove console box.
7) Remove G sensor from vehicle. (Do not disconnect
connector.)
B4M0917A
8) Read the select monitor display.
: Is the indicated reading 3.9±0.2 V when G
sensor is inclined forwards to 90°?
: Go to next.
: Replace G sensor.
91
4-4SERVICE PROCEDURE
17. G Sensor for ABS System (ABS 5.3 Type)

B4M0622A
D: AIR BLEEDING CONTROL WITH SELECT
MONITOR
1) Connect select monitor to data link connector beside
driver’s seat instrument panel lower.

1Data link connector (for Subaru select monitor and
OBD-II general scan tool)

2Data link connector (for Subaru select monitor)
NOTE:
When using data link connector
1above, use ST.
ST 498357200 ADAPTER CABLE
2) Start the engine.
3) Change select monitor to TCS mode by pressing the
function key.
B4M0623
4) Press FD3 ENT key.
B4M0624
5) When the message shown in the figure is displayed,
press ENT key.
B4M0625
6) Air bleeding control operation starts.
103
4-4SERVICE PROCEDURE
19. Air Bleeding (With TCS model)

B4M0626
7) Select monitor indicates that air bleeding control is now
operating.
B4M0627
8) When air bleeding control cannot be started (by system
malfunction, etc.), the message shown in the figure will be
displayed.
NOTE:
Read the trouble codes. Repair faulty parts.
104
4-4SERVICE PROCEDURE
19. Air Bleeding (With TCS model)

B4M0635
4) Press FD1 ENT key.
B4M0634
5) The message shown in the figure is displayed as fol-
lows:
(1) When using the brake tester, depress brake pedal
with braking force of 981 to 1,471 N (100 to 150 kg, 221
to 331 lb).
(2) When using the pressure gauge, depress brake
pedal so as to make the pressure gauge indicate 3,432
kPa (35 kg/cm
2, 498 psi)
B4M0624
6) When the message shown in the figure is displayed,
press ENT key.
7) Checked portions will be displayed on select monitor.
B4M0627
8) When ABS sequence control cannot be started (by sys-
tem malfunction, etc.), the message shown in the figure will
be displayed.
NOTE:
Read the trouble codes. Repair faulty parts.
9) After completion of ABS sequence control, turn ignition
switch OFF.
11 0
4-4SERVICE PROCEDURE
20. Hydraulic Unit for ABS/TCS System

2. OPERATIONAL GUIDELINES OF THE TCS
SEQUENCE CONTROL WITH SELECT MONITOR
1) Connect select monitor to data link connector beside
driver’s seat heater unit.
2) Engine starts.
3) Put select monitor to TCS mode.
4) Put select monitor to FBI mode. Make sure code 11 is
indicated.
NOTE:
When trouble codes are stored in memory, repair the faulty
parts.
B4M0639
5) Press FD2 ENT key.
B4M0624
6) When the message shown in the figure is displayed,
press ENT key.
7) Checked portions will be displayed on select monitor.
B4M0627
8) When TCS sequence control cannot be started (by sys-
tem malfunction, etc.), the message shown in the figure will
be displayed.
NOTE:
Read the trouble codes. Repair faulty parts.
11 6
4-4SERVICE PROCEDURE
20. Hydraulic Unit for ABS/TCS System

B4M0635
4) PressFD1ENTkey.
B4M0997
5) The message shown in the figure is displayed.
B4M0998
6) The message shown in the figure is displayed as fol-
lows:
(1) When using the brake tester, depress brake pedal
with braking force of 981 N (100 kg, 221 lb).
(2) When using the pressure gauge, depress brake
pedal so as to make the pressure gauge indicate 3,432
kPa (35 kg/cm
2, 498 psi).
CAUTION:
Do not depress the clutch pedal.
B4M0999
7) When the message shown in the figure is displayed,
press ENT key.
8) Check points will be displayed on select monitor.
B4M1000
9) When ABS sequence control cannot be started (by sys-
tem malfunction, etc.), the message shown in the figure will
be displayed.
NOTE:
Read the trouble codes. Repair faulty parts.
127
4-4SERVICE PROCEDURE
22. ABS Control Module and Hydraulic Control Unit (ABSCM&H/U) (ABS 5.3i Type)

Tools and Equipment Description
THERMOMETER
PocketTHERMOMETERSare available from either industrial
hardware store or commercial refrigeration supply houses.
G4M0578
ELECTRONIC LEAK DETECTOR
AnELECTRONIC LEAK DETECTORcan be obtained from
either a specialty tool supply or an A/C equipment supplier.
G4M0579
WEIGHT SCALE
AWEIGHT SCALEsuch as an electronic charging scale or a
bathroom scale with digital display will be needed if a 13.6 kg
(30 lb) refrigerant container is used.
G4M0580
14
4-7SERVICE PROCEDURE
3. Tools and Equipment

OBD0006F
B2M0433D
(2) Open the cover and connect Subaru select monitor
to data link connector located in the lower portion of the
instrument panel (on the driver’s side), to the lower
cover.
CAUTION:
Do not connect scan tools except for Subaru select
monitor and OBD-II general scan tool.
OBD0060
5) Turn ignition switch to ON (engine OFF) and Subaru
select monitor switch to ON.
6) Using Subaru select monitor, call up diagnostic trouble
code(s) and various data, then record them.
H2M1149
2. READ DIAGNOSTIC TROUBLE CODE (DTC)
SHOWN ON DISPLAY. (MODE FB1)
1) Select engine mode using function key.
Press the function key [0].
G3M0152
2) Designate mode using function key.
Press [F] [B] [1] [ENT] in that order.
37
2-7ON-BOARD DIAGNOSTICS II SYSTEM
3. Diagnosis System