1996 SUBARU LEGACY turn signal

ON-BOARD
DIAGNOSTICS
II
SYSTEM
ITscas1
2-7

3
.
Diagnosis
System

36
.
FA
MODE
FOR
ENGINE

Function

mode
LED
No
.
Contents
Display
LED
"ON"
requirements

3Neutral
switch
NT
When
neutralposition
signal
is
entered
.

7Test
mode
connector
UD
When
test
mode
connector
is
connected
.
FAO
8
AT/MT
identification
signal
AT
When
AT
identification
signal
is
entered
.

9
Ignition
switchIG
When
ignition
switch
is
turned
ON
.
1
Radiator
fan
relay
2
R2
When
radiator
fanrelay2
isin
function
.

2
Knock
signal
KS
When
knock
signal
is
entered
.

3
Purge
control
solenoid
valve
CNWhen
purge
control
solenoid
valve
is
in
func-

tion
.
FA1
4Fuel
pump
relay
FP
When
fuel
pump
relay
isin
function
.

6
Radiator
fanrelay
1
R1
When
radiator
fanrelay
1
isin
function
.

7
Air
conditioner
relay
ARWhen
air
conditioner
relay
isin
function
.

8
Air
conditioner
switch
ACWhen
air
conditioner
switch
is
turned
ON
.

2
AEC
signal
ECWhen
AEC
signal
is
entered
.

3
EAM
signal
AM
When
EAM
signal
is
gone
out
.

FA2
4
AEB
signal
EB
When
AEB
signal
is
entered
.

6
AET
signal
ET
When
AET
signal
is
entered
.

7
Engine
torque
control
signal
TR
When
engine
torque
control
signal
is
entered
.

FA3
7
Pressure
sources
switching
solenoid
valve
BR
When
pressure
sources
switching
solenoid

valve
is
in
function
.

1
Catalyst
CA
When
diagnosis
of
catalyzer
is
finished
.

2
EGR
system
E1
When
diagnosis
of
EGR
system
is
finished
.

FA4
3
California
model
identification
signal
FC
When
California
model
identification
signal
is

entered
.

8
Rear
oxygen
sensor
signal
OR
When
rear
oxygen
sensor
mixture
ratio
is
rich
.

9Front
oxygen
sensor
signal
02
When
front
oxygen
sensor
mixture
ratio
is

rich
.

FA5
7
EGR
solenoid
valve
ER
When
EGR
solenoid
valve
is
in
function
.

27

Z-T
[T3C37]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

3
.
Diagnosis
System

LED
No
.
Signal
name
Display

1
-
-

2
-
-

3Neutralswitch
NT

4
--

5
--

s
--

7
Test
mode
connector
LID

8
Identification
of
AT
model
AT

9
Ignition
switchIG

r
0

-
-
NT
--

-
LID
AT
IG
-

ooooa

LEDNo
.
Signal
name
Display

1
Radiator
fan
relay
2
R2

2
Knock
signal
KS

Purge
control
solenoid

valve
CN

4
Fuel
pump
relay
FP

5
-
-

6
Radiator
fan
relay
1
R1
7
A/C
relay
AR

8
A/C
switch
AC

9
--

o
--

R2
KSCN
FP
-

R1
ARAC
--

37
.
FUNCTION
MODE
:
FAO

-
ON
H
OFF
SIGNAL
-

Requirement
for
LED
"ON"
.

LED
No
.
3
Shift
position
is
in
"P"or
"N"
.

LED
No
.
7
Test
mode
connector
is
connected
.

LED
No
.
8
Vehicle
is
AT
model
.

LED
No
.
9
Ignition
switch
is
turned
ON
.

38
.
FUNCTION
MODE
:
FA1

-
ON
H
OFF
SIGNAL
-

Requirement
for
LED
"ON"
.

LEDNo
.
1
Radiator
fan
relay
2
is
turned
ON
.

LEDNo
.
2
Engine
is
knocking
.

LED
No
.
3
Purge
control
solenoid
valve
is
in
function
.

LED
No
.
4
Fuel
pump
relay
is
turned
ON
.

LED
No
.
6
Radiator
fan
relay
1
is
turned
ON
.

LED
No
.
7
A/C
relay
is
turned
ON
.

LED
No
.
8
A/C
switch
is
turned
ON
.

NOTE
:

9
When
LED
No
.
1,3,
4,
6
and
7
blinks
with
the
test
mode

connector
connected
and
the
ignition
switch
turned
to

ON,
the
corresponding
part
is
functioning
properly
.

e
When
LED
No
.
4
illuminates
for
only
2
seconds
after
the

ignition
switch
is
turned
to
ON,
(and
then
goes
out),
the

corresponding
part
is
functioningproperly
.

28

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[rscaoi
2-7

3
.
Diagnosis
System

LEDNo
.
Signal
name
Display

--

2
AEC
signal
EC

3
EAM
signal
AM

4
AEB
signal
EB

5
-
-

6
AET
signal
ET

Engine
torque
control

signal
TR

a
-
-

9
--

0~
--
-
EC
AM
EB
-

ET
TR
---

LED
No
.
Signal
name
Display

1
--

2
--

3
-
-

4
-
-

5
--

s
--

Pressure
sources

switching
solenoid
valve

8
--

9
--

0
-
-

-
BR
-
-
-

mmmmm

39
.
FUNCTION
MODE
:
FA2

-
ON
H
OFF
SIGNAL
-

Requirement
for
LED
"ON"
.

LED
No
.
2
ECM
entered
the
AEC
signal
emitted
from

TCS
C/M
.

LED
No
.
3
EAM
signal
goes
out
.

LED
No
.
4
ECM
entered
the
AEB
signal
emitted
from

TCS
C/M
.

LED
No
.
6
ECM
entered
the
AET
signal
emitted
from

TCS
C/M
.

LEDNo
.
7
ECM
entered
the
torque
control
signal
emit-

ted
from
TCM
.

40
.
FUNCTION
MODE
:
FA3

-
ON
H
OFF
SIGNAL
-

Requirement
for
LED
"ON"
.

LEDNo
.
7
Pressure
sources
switchingsolenoid
valve
is
in
function
.

NOTE
:

When
LED
No
.
7
blinks
with
the
test
mode
connector
connected
and
the
ignition
switch
turned
to
ON,
the
cor-

responding
part
is
functioning
properly
.

29

2-7
[T3C41]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

3
.
Diagnosis
System

LED
No
.
Signal
name
Display

1
Catalyst
CA

2
EGR
system
E1

California
model

identification
signal
FC

4
--

5
--

s
--
--

8
Rear
oxygen
sensor
signal
OR

9Front
oxygen
sensor
signal
02

o
-
1

CA
E1
FC
--
--
OR
02
-

LEDNo
.
Signal
name
Display

1
--

2
--

3
--

4
--

5
--

s
--

7
EGR
solenoid
valve
ER

8
--

9
--

~1
-
I
-
1

-
ER
--
-

ooaoo
00000

41
.
FUNCTION
MODE
:
FA4

-
ON
<-->
OFF
SIGNAL
-

Requirement
for
LED
"ON"
.

LED
No
.
1
Diagnosis
of
catalyzer
is
finished
.

LED
No
.
2Diagnosis
of
EGR
system
is
finished
.

LED
No
.
3
Vehicle
is
except
California
model
.

LED
No
.
8
Rear
oxygen
sensor
mixture
ratio
is
rich
.

LED
No
.
9
Front
oxygen
sensor
mixture
ratio
is
rich
.

42
.
FUNCTION
MODE
:
FA5

-
ON
H
OFF
SIGNAL
-

Requirement
for
LED
"ON"
.

LED
No
.
7
EGR
solenoid
valve
is
in
function
.

NOTE
:

When
LEDNo
.
7
blinks
with
the
test
mode
connector

connected
and
the
ignition
switch
turned
to
ON,
the
cor-

responding
part
is
functioning
properly
.

30

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[T3C61]
2-7

3
.
Diagnosis
System

LED
No
.
Signal
name
Display

1
FWD
switch
FF

2
Kick-down
switch
KD

3
-
-

4
-
-

5
Brake
switch
BR

6
ABS
switch
AB

7
Cruise
control
set
CR

8
Power
switch
PW

9
--
-

I
10
-
I
-

FF
KD
--
BR
ABCR
PW
--

10

LEDNo
.
Signal
name
Display

1
N/P
range
switch
NP

2
R
range
switch
RR

3
D
range
switch
RD

43
range
switch
R3

52
range
switch
R2

6
1
range
switch
R1

7
Diagnosis
switch
SS

s
--

s
-
-

10
-
-

NPRRRDR3
R2
R1
SS
---

oaaoo

0000
,o

60
.
FUNCTION
MODE
:
FAO

-
ON
H
OFF
SIGNAL
-

Requirement
for
LED
"ON"
.

LED
No
.
1
Fuse
is
installed
in
FWD
switch
.

LED
No
.
2
Kick-down
switch
is
turned
ON
.
(Not

equipped)

LED
No
.
5
Brake
pedal
is
depressed
.

LED
No
.
6
ABS
signal
is
entered
.

LED
No
.
7
Cruise
control
is
set
.

LED
No
.
8
Power
switch
is
turned
ON
.
(Not
equipped)

61
.
FUNCTION
MODE
:
FA1

-
ON
H
OFF
SIGNAL
-

Requirement
for
LED
"ON"
.

LED
No
.
1
"N"
or
"P"
range
is
selected
.

LED
No
.
2"R"
range
is
selected
.

LED
No
.
3
"D"
range
is
selected
.

LEDNo
.
4
"3"
range
is
selected
.

LEDNo
.
5
"2"
range
is
selected
.

LEDNo
.
6
"1"
range
is
selected
.

LEDNo
.
7
Diagnosis
connector
is
connected
.

37

2-7
tT5o21
ON-BOARD
DIAGNOSTICS
II
SYSTEM
5
.
Specified
Data

CT
il
Signal
(V)

Content
onnector
erm
na
I9nition
SW
ON
Note
No
.
No
.
(Engine
OFF)Engine
ON
(Idling)

Rear
oxygen
sensor
B84
37
0-1
.0
0-1
.0
-
heater
signal

AT
diagnosis
input
B84
80
Less
than
1
.-
.
More
Less
than
1
+-+
MoreWaveform
signal
than4
than
4

GND
(sensors)
B84
200
0
-

i
B
469
GND
(
njectors)
80
0
-
95

GND
(ignition
system)
B84
940
0
-

ND
l
B
4
19
(powersupp
y)
G
800
-
46
17
GND
(control
systems)
B84
00
-
18

GND
(oxygen
sensor
B84
4200
heater)

2
.
ENGINECONDITION
DATA

Content
Specified
data

i
fl
M
1.7
-
3
.3
(g/sec)
:
Idling
r
ass
a
ow
7
.1
-
14
.2
(g/sec)
:
2,500
rpm
racing

E
il
d
1.6
-
2
.9
(%)
:
Idling
ng
neoa
6
.4
-
12
.8
(%)
:
2,500
rpm
racing

Measuring
condition
:

"
After
warm-up
theengine
.

"
Gear
position
is
in
"N"
or
"P"
position
.

"
A/C
is
turned
OFF
.

All
accessory
switches
are
turned
OFF
.

46

6-3
[0602
WIRING
DIAGRAM

6
.
Wiring
Diagram

2
.
GROUND
DISTRIBUTION

i26

RedioFront
turn
signal
F3

end
side
marker
rm
light
RH

i

i29
i25
~~--
--
a
--~~
Cigarette
lighter
sB77
Mode
F16
~-~
E
I
actuator

Subfan
motor
i
O

Main
fan
motor

Front
turn
signs
Dend
side
marker
123-1
light
LH

832
Turn
&hazardmodule

Power
wi
relay

AT
shift
lock
857

control
module

(28
:

E

GB-2

FGS
B62

b
:
ill
Combination
meter

(4

m
839

Seat
belt
t
i
mer
C',"-i

F3
(BrowN

O66
(B
I
BC
k)
F19
(Brown)

123

(Brown)
fig
118

(B
I
ac
k)
B43
R15
(B
I
ec
k)

1
2
1
3
1
4
151
6

i
25

1
23

i23
rGlove
box
L~
Illum(nation
light

Fan
switch
L
!-
+'
3
N
NC

i
l7'Z
00
Mode
control
o
panel
0o
~c
'0o
3

il8
4-
L
3
Rear
defoggr
~
o3
switch

O
~m~
07
m

119
Cruise
control
mainswitch

G)§emote
ontro
I
c
LM
rearv
i
e
irror
switch

(g)
(B
I
ec
k)
CD

1
23
4
M
S6

(g)(Brown)
(~D

1
23
[96
R4
;6R7

(~D(BISCK)
(~D

ff~
1516-111
12131><14151
111213
171a191101111121
1718191101111121131141

CD
(L
(ght
gray)

4
'
:F
151617
P911011111~~

D
I
agnos
1
s
Lrm
term
1
na
I

(E~)l
II
um
I
nat
1
on
LEE
contro
I
modu
I
e

(ED
LM
Combination
switch

870

sl=
Combination
switch

B69
Combination
switch

867
-IM
Main
relay

141516

(E)
(a)

1
234
S6JR8
161
r
1
E319
1101

(aD
(B
I
ac
K)
(B
I
u
e)

p
r-1
n
~1
1
F2-1[3
1
f41516
1
7a
0
1
2-
F
-
1q,
[3
46
112-2TI-3114115116117118119120
I'F

BUR04-02A

6

AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL
[T7H3]
3-2

7
.
Diagnostic
Chart
with
Trouble
Code

B54
123456
7
8
9
01112

D

L
.0
Q
0>

B3M02248

B54

161514
3
H87
1211
10
9

D

_E)VSj

83M0222B

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

/
'
/
i
Data
link
connector
(for
Subaru
select
monitor
\
,only)

ls%y~
x~/

OBD0145A
I

AFM
(F15)

0
.6V

B3M0370

2
.
CHECK
HARNESS
CONNECTOR
BETWEEN
TCM

AND
ECM
.

1)
Turn
ignition
switch
to
OFF
.

2)
Disconnect
connectors
from
TCM
and
ECM
.

3)
Measure
resistance
of
harness
connector
between

TCM
and
ECM
.

Connector
&
terminal
I
Specifiedresistance
:

(B54)
No
.
9
-
(B84)
No
.
47
l
1
S2,
orless

4)
Measure
resistance
of
harness
connector
between

TCM
and
body
to
make
sure
that
circuit
does
not
short
.

Connector
&
terminal
/
Specified
resistance
:

(854)
No
.
9
-
Body
11
MSZ,
or
more

3
.
CHECK
INPUT
SIGNAL
FOR
TCM
.

1)
Connect
connectors
to
TCM
and
ECM
.

2)
Start
the
engine
.
(engine
idling
after
warm-up)

3)
Measure
signal
voltage
between
TCM
connector
termi-

nal
and
body
.

Connector
&
terminal
/
Specified
voltage
:

Engine
warm-up
;

(B54)
No
.
9
-
Body
l
0
.5
-
1
.22
V
9
Using
Subaru
select
monitor
:

(1)
Connect
connectors
to
TCM
and
ECM
.

(2)
Turn
ignition
switch
to
OFF
.

(3)
Connect
the
Subaru
select
monitor
to
data
link

connector
.

(4)
Turn
ignition
switch
to
ON
and
Subaru
select

monitor
switch
to
ON
.

(5)
Start
andwarm-up
the
engine
.

(6)
Read
data
onSubaru
select
monitor
.

(7)
Designate
mode
using
function
key
.

Function
mode
:
F15

SPECIFIED
DATA
:

0
.5
-
1
.22
V
(Engine
warm-up)

5