display SUBARU LEGACY 1996 Service Owner's Manual

3-2
[raB11]
AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL

8
.
Diagnostic
Chart
withSelect
Monitor

8
.
Diagnostic
Chart
with
Select
Monitor

B
:
LIST
OF
OUTPUT
MODES

1
.
FUNCTION
MODE

Mode
Contents
Abbr
.
Unit
Contents
of
display
Page

F00
Mode
display
--
AT
or
EGI
mode
(when
monitor
is
connected
.)
-

F01Battery
voltage
VBV
Battery
voltage
applied
to
control
unit
.
-

F02
Vehicle
speed
sensor
1
VSPi
m/h
Vehicle
speed
(miles/h)
sent
from
vehicle
speed
sensor
1
.
-

F03
Vehicle
speed
sensor
1
VSP1
km/h
Vehicle
speed
(km/h)sent
from
vehicle
speed
sensor
1
.
-

F04
Vehicle
speed
sensor
2
VSP2
m/h
Vehicle
speed
(miles/h)
sentfrom
vehicle
speed
sensor
2
.
-

F05
Vehicle
speed
sensor
2
VSP2
km/h
Vehicle
speed
(km/h)
sent
from
vehicle
speed
sensor
2
.
-

F06
Engine
speed
EREV
rpm
Engine
speed
sent
from
ECM
.
-

F07
ATF
temperature
sensor
ATFT
°F
ATF
temperature
(°F)
sent
from
ATF
temperature
sensor
.
-

F08
ATF
temperature
sensor
ATFT
°C
ATF
temperature
(°C)
sent
from
ATF
temperature
sensor
.
-

F09
Throttleposition
sensor
THV
V
Voltage
sent
from
throttle
position
sensor
.
15

F10
Gear
position
GEAR
-
Transmissiongear
position
-

F11Line
pressure
duty
PLDTY
%
Duty
ratio
flowing
through
duty
solenoid
A
.
16

F12
Lock-up
duty
LUDTY
%
Duty
ratio
flowing
through
duty
solenoid
B
.
17

F13
AWD
duty
4WDTY
%
Duty
ratio
flowing
through
duty
solenoid
C
.
18

F14
Throttle
position
sensor
power
supply
THVCC
VPower
supply
voltage
to
throttle
position
sensor
19

F15
Mass
air
flowsignal
l
AFM
V
Output
voltage
from
air
flow
sensor
19

14

3-2
[rsPO]
AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL

8
.
Diagnostic
Chart
with
Select
Monitor

DISPLAY

LEDNo
.
Signal
name
Symbol

1
FWD
switch
FF
2
Kick-down
switch
KD

3
--

4
--

5
Brake
BR

6
ABS
switch
AB

7
Cruise
control
set
CR

8
Power
switch
PW

9
-
-

10
t
-
--
I
-

FF
KDBR
ABCR
PW

DDDD
,o

DISPLAY
LEDNo
.
Signal
name
Symbol

1
N/P
range
switch
NP

2
R
range
switch
RR

3
D
range
switch
RD

43
range
switch
R3

5
2
range
switch
R2

6
1
range
switch
R1

7
Diagnosis
switch
SS

--

s
--

,o
_
1

-

NPRRRD
R3
R2
R1
SS

10

P
:
MODE
FAO

-
SWITCH
1
(SW1)
-

Reference
values

"
Lights
up
when
the
fuse
is
installed
in
FWD
switch
(No
.
1)
.

"
Lights
up
when
the
brake
pedal
is
depressed
(No
.
5)

"
Lights
up
when
the
ABS
signal
is
entered
(No
.
6)
.

"
Lights
up
when
the
cruise
control
is
set
(No
.
7)
.

NOTE
:

LED
Nos
.
2
and
8
do
not
come
on
.

Q
:
MODE
FA1

-
SWITCH
2
(SW2)
-

Reference
values

"
Lights
up
when
the
N
or
P
range
is
selected
(No
.
1)
.

"
Lights
up
when
the
R
range
is
selected
(No
.
2)
.

"
Lights
up
when
the
D
range
is
selected
(No
.
3)
.

"
Lights
up
when
the
3
range
is
selected
(No
.
4)
.

"
Lights
up
when
the
2
range
is
selected
(No
.
5)
.

"
Lights
up
when
the
1
range
is
selected
(No
.
6)
.

"
Lights
up
when
the
diagnosis
switch
is
connected

(No
.
7)
.

NOTE
:

If
each
LED
does
not
illuminate
in
the
above
conditions,

inhibitor
switch
malfunction
may
occur
.
Performdiagnos-

tics
on
inhibitor
switch
.
<
Ref
.
to
2-7
[T10AN0]
.*2
>

20

ON-BOARD
DIAGNOSTICS
11
SYSTEM
[T10A0]
2-7

10
.
Diagnostics
Chart
with
Trouble
Code

DTC

No
.

Abbreviation

(Subaru
select
monitor)Item
Page

P0500
VSP
Vehicle
speed
sensor
malfunction
'1

P0505
ISC
Idle
control
system
malfunction
`1

P0506
ISC
-
L
Idle
control
system
RPM
lower
than
expected
'1

P0507
ISC
-
H
Idle
control
system
RPM
higher
than
expected
'1

P0600
-
Serial
communication
link
malfunction
`1

P0601
RAM
Internal
control
module
memory
check
sum
error
'1

P0703
ATBRK
Brake
switch
input
malfunction
'1

P0705
ATRNG
Transmissionrange
sensor
circuit
malfunction
`1

P0710
ATF
Transmission
fluid
temperature
sensor
circuit
malfunction
'1

P0720
ATVSP
Output
speed
sensor
(vehicle
speed
sensor
1)
circuit
malfunction
'1

P0725
ATNE
Engine
speed
input
circuit
malfunction
'1

P0731
ATGR1
Gear
1
incorrect
ratio

P0732
ATGR2
Gear
2
incorrect
ratio
"
1
P0733
ATGR3
Gear
3
incorrect
ratio

P0734
ATGR4
Gear
4
incorrect
ratio

P0740
ATLU
-
F
Torque
converter
clutch
system
malfunction
1

P0743
ATLU
Torque
converter
clutch
system
electrical
*1

P0748
ATPL
Pressure
control
solenoid
electrical
'1

P0753
ATSFTi
Shift
solenoid
A
electrical
`1

P0758
ATSFT2
Shift
solenoid
B
electrical
'1

P0760
ATOVR
-
F
Shift
solenoid
C
malfunction
'1

P0763
ATOVR
Shift
solenoid
C
electrical
'1

P1100
ST-SW
Starter
switch
circuit
malfunction
'1

P1101
N/P
-
SW
Neutral
position
switch
circuit
malfunction
[MT
vehicles]
'1

P1101
N/P
-
SW
Neutral
position
switch
circuit
malfunction
[AT
vehicles]
1

P1102
BR
Pressure
sources
switching
solenoid
valve
circuit
malfunction
'1

P1103
TRQ
Engine
torque
control
signal
circuit
malfunction
`1

P1400
PCVSOL
Fueltank
pressure
control
solenoid
valve
circuit
malfunction
38

P1401
PCV
-
FFueltank
pressure
control
system
function
problem
44

P1402
FIVL
Fuel
level
sensor
circuit
malfunction
46

P1500
FAN
-
1
Radiator
fan
relay
1
circuit
malfunction
'1

P1502
FAN
-
F
Radiator
fan
function
problem
'1

P1700
ATTH
Throttle
position
sensor
circuit
malfunction
for
automatic
transmission
'1

P1701
ATCRS
Cruise
control
set
signal
circuit
malfunction
for
automatic
transmission
'1

P1702
ATDIAG
Automatic
transmission
diagnosis
inputsignal
circuit
malfunction
'1

P0461'2
EXERR22
Fuel
level
sensor
circuit
range/performance
problem
56

"1
:
<
Ref
.
to
2-7
[T11A0]
.*4
>

'2
:
Only
OBD-II
general
scan
tool
displays
DTC
.

2-7
[ryoaPO]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

10
.
Diagnostics
Chart
with
Trouble
Code

OBD
(FBI)

P0181

H2M1350

BP
:
DTC
P0181

-
FUEL
TEMPERATURE
SENSOR
A
CIRCUIT

RANGE/PERFORMANCE
PROBLEM

(TN
KT
-
F)
-

DTC
DETECTINGCONDITION
:

Two
consecutive
trips
with
fault

10BP1
I
Check
DTC
P0180
on
display
.

CAUTION
:

After
repair
or
replacement
of
faultyparts,
conduct

CLEAR
MEMORY
and
INSPECTION
MODES
.

Ref
.
to
2-7
[T3D0]
and
[T3E0]
.*2
and
*4
>

WIRING
DIAGRAM
:

884

ECM

301

S
.M
.J
.

B91
R1
R15R57R58
Fuel
tank

Fuel
temperature
===@H
sensor

884B22

1
U34
U5U
78
U
1
2
34
1711811912012112212312
51
1152211523112152511526113'
68
55
91
1451461471481491501
47
1
01112
1/11/21/31141151761//1781/91601811821631
193142116
U
1121
E
1
23
4
1
b
1
65
3-7
10
1
[49

B2M1015

16

ON-BOARD
DIAGNOSTICS
II
SYSTEM
(T10BP1]
2-7

10
.
Diagnostics
Chart
with
Trouble
Code

CHECK
DTC
P0180
ON
DISPLAY
.

CHECK
:
Does
the
Subaru
select
monitor
or
OBD-11

general
scan
tool
indicate
DTC
P0180?

,rES
:
Inspect
DTC
P0180
using
"10
.
Diagnostics
Chart

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

NOTE
:

In
this
case,
it
is
not
necessary
to
inspect
DTC
P0181
.

No
:
Replace
fuel
temperature
sensor
.

17

2-7
R1oBOO]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

10
.
Diagnostics
Chart
with
Trouble
Code

OBD
(FBI)

P0440


H2M1365

BQ
:
DTC
P0440

-
EVAPORATIVE
EMISSION
CONTROL

SYSTEM
MALFUNCTION
(EVAP)
-

DTC
DETECTING
CONDITION
:

Two
consecutive
trips
with
fault

TROUBLE
SYMPTOM
:

Gasoline
smell

10BQ1
Check
any
other
OTC
(besides
OTC

P0440)
on
display
.

10B02
Check
fuel
filler
capand
fuel
filler
pipe
.

10B03Check
vent
control
solenoid
valve
.

10B04
Check
purge
control
solenoid
valve
.

10805
Check
pressure
control
solenoid
valve
.

10B06
Check
evaporative
emission
control

system
line
.

CAUTION
:

After
repair
or
replacement
of
faulty
parts,
conduct

CLEAR
MEMORY
and
INSPECTION
MODES
.

c
Ref
.
to
2-7
[T3D0]
and
[T3E0]
.*2
and
*4
>

18

ON-BOARD
DIAGNOSTICS
II
SYSTEM
ITyoso2i
2-7
10
.
DiagnosticsChart
with
Trouble
Code

WIRING
DIAGRAM
:

Main
relay
0

0

847

884

77
ECM

V

897
R69
S
.M
.J
.
~°c~

Vent
control
solenoid
valve
R68
R57R15

Pressure
control

862F45
SBF-2
O~C)-

B
~E

822
O
E4

Purge
control
solenoid
valve

--{~J

solenoid
valve
B84R68
R69
R57847
822
E4

1
U
49
10
11
1
1314
1
16
1
234
171
1
811
9
12012112212
1113
63
1
36
44
444

M56

5678
49
1
63
55116
68
/Ul
1
3
9101112
9
19
~Lltu
~
4L_L51bIJ~l
13141516

B2M1017

10BQ1
I
CHECK
ANY
OTHER
DTC
(BESIDES
DTC

P0440)
ON
DISPLAY
.

Is
there
any
other
DTC
on
display?

Inspect
the
relevant
DTC
using
"10
.
Diagnostics

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

No
:
Go
to
step
101302
.

FILLER
PIPE
.

FILLER
CAPAND
FUEL

1)
Turn
ignition
switch
to
OFF
.

2)
Open
the
fuelflap
.

CHECK
:
Is
the
fuel
filler
cap
tightened
securely?

Tighten
fuel
filler
cap
securely
.

o
:
Go
to
next
CHECK
.

19

2-7
[T10BS1)
ON-BOARD
DIAGNOSTICS
II
SYSTEM

10
.
Diagnostics
Chart
with
Trouble
Code

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

)
'
~
'~A~
~
Data
link
connector
(for
Subaru
select
monitor
only)

82M1016A]

TNKP
(F43)

0
.
10
k
P
a
1
mmHg
H2M
1326

TNKP
(F43)

0
.
10
k
P
a
1
mmHg

H2M1326

CONNECT
SUBARU
SELECT
MONITOR
OR
10BS1
THE
OBD-II
GENERALSCAN
TOOL,
AND

READ
DATA
.

1)
Turn
ignition
switch
to
OFF
.

2)
Remove
fuel
filler
cap
.

3)
Install
fuel
filler
cap
.

4)
Connect
Subaru
Select
Monitor
or
the
OBD-II
general

scan
toolto
data
link
connector
.

5)
Turn
ignition
switchto
ON
and
Subaru
Select
Monitor

or
the
OBD-II
general
scan
tool
switch
to
ON
.

6)
Read
the
data
onSubaru
Select
Monitoror
the
OBD-II

general
scan
tool
.

o
Subaru
Select
Monitor
Designate
mode
using
functionkey
.

Function
mode
:
F43

o
F43
:
Display
shows
pressure
signal
value
sent
from
fuel

tank
pressure
sensor
.

CHECK
:
Is
the
value
less
than-2
.8
kPa
in
function

mode
F43?

,rES
:
Go
to
step
10BS2
.

No
:
Go
to
next
CHECK
CHECK
:
Is
the
value
more
than2
.8
kPa
in
function

mode
F43?

,rES
:
Go
to
step
10BS4
.

No
:
Repair
harness
and
connector
.

NOTE
:

In
this
case,
repair
the
following
:

9
Open
or
short
circuit
in
harness
between
fuel
tank
p

sure
sensor
and
ECM
connector

"
Poor
contact
in
coupling
connector
(B97)

"
Poor
contact
in
fuel
tank
pressure
sensor

"
Poor
contact
in
ECM
connector

"
OBD-II
general
scan
tool

For
detailed
operation
procedures,
referto
the
OB

General
Scan
Tool
Instruction
Manual
.

30

res-

D-II

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[TIossz]
2-7
10
.
Diagnostics
Chart
with
Trouble
Code

TNKP
(F43)

0
.
10
k
P
a
1
mmHg
H2M
1326

CHECK
INPUT
SIGNAL
FOR
ECM
.
(USING

10BS2
VOLTAGE
METER
AND
SUBARU
SELECT

MONITOR
.)

1)
Measure
voltage
between
ECM
connector
and
chassis

ground
.

CHECK
;
Connector
&
terminal

(884)
No
.
21
(+)
-
Chassis
ground
(
)
:

Is
the
voltage
more
than4
.5
V?

YES
:
Go
to
nextstep
2)
.

No
:
Go
to
next
CHECK

CHECK
:
Does
the
voltage
change
more
than
4
.5
Vby

shaking
harness
and
connector
of
ECM
while

monitoring
the
value
with
voltage
meter?

0
:
Repairpoorcontact
in
ECM
connector
.

No
:
Replace
ECM
.

2)
Measure
voltage
between
ECM
and
chassis
ground
.

CHECK
:
Connector
&
terminal
(B84)
No
.
4
(+)
-
Chassis
ground
(
)
:

Is
the
voltage
less
than
0
.2
V?

,mss
:
Go
to
step
10BS3
.

No
:
Go
to
next
step
3)
.

3)
Read
data
onSubaru
Select
Monitor
.

9
Subaru
Select
Monitor

Designate
mode
using
function
key
.

Function
mode
:
F43

9
F43
:
Display
shows
pressure
signal
value
sent
from
fuel

tankpressure
sensor
.

31

2-7
RyoBxo]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

10
.
DiagnosticsChart
with
Trouble
Code

OBD
(
F
B
1)

EXERR22

B2M0947

BX
:
DTC
P0461

-
FUEL
LEVEL
SENSOR
CIRCUIT
RANGE/

PERFORMANCEPROBLEM
(EXERR22)
-

DTC
DETECTING
CONDITION
:

Two
consecutive
trips
with
fault

10BX1
Check
DTC
P1402
on
display
.

CAUTION
:

After
repair
or
replacement
of
faultyparts,
conduct

CLEAR
MEMORY
and
INSPECTION
MODES
.

<
Ref
.
to
2-7
[T3D0]
and
[T3E0]
.*2
and
*4
>

WIRING
DIAGRAM
:

a
:
(a)

b
:
i11
meter
Ignitionc
:
i14
B72
switch
No
.15
~
SBF-4
F
L
1
.25B
rill-fY~
f1
M
~^1-
~
.c
JL

S
.M
.J
.

O
O
897
R1

EW

8T2

1234

4U

i10i12

4
9
10
1
121
141
1

_
.
u

Fuel
pump
ASSY

R58
Fuellevel
r,r,
sensor
Fuel
sub
meter
unit

R59
Fuel.sub

R5787TR59

4W~!JJ
141~1b1

O
R5B

1
1
141~Ib1

82M1021

56