display SUBARU LEGACY 1996 Service Owner's Guide

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[Tyosx11
2-7

10
.
DiagnosticsChart
with
Trouble
Code

1
10BX1
I
CHECK
DTC
P1402
ON
DISPLAY
.

Does
the
Subaru
select
monitor
or
OBD-11

general
scan
tool
indicate
DTC
P1402?

,rES
:
Inspect
DTC
P1402
using"10
.
Diagnostics
Chart

with
Trouble
Code
2-7
[T10A0]"*7
.

NOTE
:

In
this
case,
it
is
not
necessary
to
inspect
this
trouble
.

No
:
Replace
fuel
sending
unit
and
fuel
sub
meter
unit
.

57

2. CONDITIONS FOR COMPLETION OF SEQUENCE
CONTROL
1) When the speed of at least one wheel reaches 10 km/h
(6 MPH), the operation is returned to the normal control
mode.
2) When L terminal is separated from ground, the opera-
tion is returned to the normal control mode.
3) When K terminal is separated from ground, the opera-
tion goes to the trouble code display mode.
4) When the brake pedal is released during sequence con-
trol and the braking lamp switch is set to off, the operation
is returned to the normal control mode.
5) After completion of the sequence control, the operation
is returned to the normal control mode.
B4M0116A
79
4-4SERVICE PROCEDURE
15. Hydraulic Unit for ABS System (Except 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.
91
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.
92
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.
98
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.
104
4-4SERVICE PROCEDURE
20. Hydraulic Unit for ABS/TCS System

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.
11 5
4-4SERVICE PROCEDURE
22. Hydraulic Unit for ABS System (ABS 5.3 Type)

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) Read 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.
B4M0918A
: Is the indicated reading 0.7±0.2 V when G
sensor is inclined backwards to 90°?
: G sensor is normal.
: Replace G sensor.
123
4-4SERVICE PROCEDURE
24. G Sensor for ABS System (ABS 5.3 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

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.
OBD0062
3) Ensure diagnostic trouble code(s) is shown.
(1) When there is only one diagnostic trouble code.
OBD0063
(2) When there are multiple diagnostic trouble codes.
NOTE:
For details concerning diagnostic trouble codes, refer to
the DIAGNOSTIC TROUBLE CODE (DTC) LIST, 2-7
[T10A0].
33
2-7ON-BOARD DIAGNOSTICS II SYSTEM
3. Diagnosis System