Page 193 of 2890
![SUBARU LEGACY 1996 Service Repair Manual
AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL
[T6D1]
3-2
6
.
Diagnostic
Chart
for
On-board
Diagnostics
System
D
:
LIST
OF
TROUBLE
CODE
1
.
TROUBLE
CODE
Trouble
code
Item
Content
of
diagnosis
Abbr
.
(S SUBARU LEGACY 1996 Service Repair Manual
AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL
[T6D1]
3-2
6
.
Diagnostic
Chart
for
On-board
Diagnostics
System
D
:
LIST
OF
TROUBLE
CODE
1
.
TROUBLE
CODE
Trouble
code
Item
Content
of
diagnosis
Abbr
.
(S](/manual-img/17/57433/w960_57433-192.png)
AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL
[T6D1]
3-2
6
.
Diagnostic
Chart
for
On-board
Diagnostics
System
D
:
LIST
OF
TROUBLE
CODE
1
.
TROUBLE
CODE
Trouble
code
Item
Content
of
diagnosis
Abbr
.
(Select
monitor)
Page
11
Duty
solenoid
A
Detects
open
or
shorted
drive
pLDTY
-
circuit,
as
well
asvalve
seizure
.
12
Duty
solenoid
B
Detects
open
or
shorted
drive
LUDTY
-
circuit,
as
well
asvalve
seizure
.
13
Shift
solenoid
3
Detects
open
or
shorted
drive
OVR
-
circuit,
as
well
as
valve
seizure
.
14
Shift
solenoid
2
Detects
open
or
shorted
drive
SFT2
-
circuit,
as
well
as
valve
seizure
.
15
Shift
solenoid
1
Detects
open
or
shorted
drive
SFTi
-
circuit,
as
well
as
valve
seizure
.
21
ATF
temperature
sensor
Detects
open
or
shorted
input
ATFT
-
signal
circuit
.
22
Mass
air
flowsignalDetects
open
or
shorted
input
AFM
4
signal
circuit
.
23
Engine
speed
signal
Detects
open
or
shorted
input
EREV
6
signal
circuit
.
24
Duty
solenoid
C
Detects
open
or
shorted
drive
4WDTY
-
circuit,
as
well
as
valve
seizure
.
25
Torque
control
signal
Detects
open
or
shorted
input
TQ
.CT8
signal
circuit
.
31
Throttle
position
sensor
Detects
open
or
shorted
input
THV
10
signal
circuit
.
32
Vehicle
speed
sensor
1
Detects
open
or
shorted
input
VSP1
-
signal
circuit
.
33
Vehicle
speed
sensor
2Detects
open
or
shorted
input
VSP2
-
signal
circuit
.
Page 194 of 2890

3-2
[vi-1101
AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL
7
.
DiagnosticChart
with
Trou
ble
Code
7
.
Diagnostic
Chart
with
Trouble
Code
H
:
TROUBLE
CODE
22
-
MASS
AIR
FLOW
SIGNAL
-
DIAGNOSIS
:
Input
signal
circuit
of
TCM
from
ECM
is
open
or
shorted
.
1
.
Check
trouble
code
onengine
side
.
Not
OK
<
Ref
.
to
2-7
On-Board
Diagnostics
II
System
[T10B0]
.*2
>
OK
2
.
Check
harness
connector
between
TCM
and
Not
OK
ECM
.
OK
3
.
Check
input
signal
for
TCM
.
Not
OK
OK
Clear
memory
->
Confirmation
test-+
Not
OK
->
Repair
TCM
connector
terminal
poor
contact
.
~
Check
for
cause
of
trouble
in
engine
.
Repair
TCM
connector
terminal
poor
contact
.
~
*
Replace
TCM
.
854
TCM
B54
O
9
10
Ill
12
1314
U
15163132
3343536373839
OG14243G4
123456
V
1
59
~
0
~
1
1
6
4
63
~
46$6
~
7
1
6
6970
J
11
7
1
8
1
9
1
10
1
11
1
12
1
4
5687
99091923949596
B3M0475
I
1
.
CHECK
TROUBLE
CODE
ON
ENGINE
SIDE
.
Using
Subaru
select
monitor
or
OBD-general
scan
tool,
check
trouble
code
of
mass
air
flow
sensor
on
engine
side
.
4
Page 195 of 2890
![SUBARU LEGACY 1996 Service Repair Manual
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 SUBARU LEGACY 1996 Service Repair Manual
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](/manual-img/17/57433/w960_57433-194.png)
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
Page 196 of 2890
3-2
R7101
AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL
7
.
Diagnostic
Chart
with
Trouble
Code
I
:
TROUBLE
CODE
23
-
ENGINE
SPEED
SIGNAL
-
DIAGNOSIS
:
Engine
speed
input
signal
circuit
is
open
or
shorted
.
TROUBLE
SYMPTOM
:
"
No
lock-up
(after
engine
warm-up)
"
AT
OIL
TEMP
indicator
remains
on
when
vehicle
speed
is
0
.
1
.
Check
harness
and
connector
between
TCM
Not
OK
and
ECM
.
Repair
or
replace
harnessconnectors
.
OK
2
.
Check
inputsignal
for
TCM
.
OK
Not
OK
"
Repair
TCM
connector
terminal
poor
contact
.
"
Replace
TCM
.
Conduct
diagnostics
for
ECM's
ignition
system
.
B54884
ECM
TC
M
U
B54
B84
9
10
11
12
13141516
1
1
1
2
1
3
1
4
1
5
1
6
3132
3334
35
3637383940
4142
4344
1
58
1
59
1
60
1
61
1
6263
1
7
8
9
1011
12889
84
85
8687
88
8990
9192
9394
95
96
B2M0585
6
Page 197 of 2890

AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL
[T7i21
3-2
7
.
Diagnostic
Chart
with
Trouble
Code
OBD0410A
I
Data
link
connector
(for
Subaru
select
monitor
and
OBD-II
general
scan
tool)
/'
/
/
i
~1
i
Data
link
connector
(for
Subaru
select
monitor
\
only)
lqo~
,
/"~///
OBD0145A
I
EREV
(F06)
1,500
rpm
G3M0727
1
.
CHECK
HARNESS
AND
CONNECTOR
BETWEEN
TCMAND
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
l
Specified
resistance
:
(854)
No
.
5
-
(B84)
No
.
64
I1
S2,
or
less
4)
Measure
resistance
of
harness
connector
between
TCM
and
body
to
make
sure
that
circuit
does
not
short
.
Connector
&
terminal
l
Specifiedresistance
:
(B54)
No
.
5
-
Body
I
1
MSS,or
more
2
.
CHECK
INPUT
SIGNAL
FOR
TCM
.
1)
Connect
connectors
to
ECM
and
TCM
.
2)
Turn
ignition
switch
ON
(with
engine
OFF)
3)
Measure
signal
voltage
for
TCM
.
Connector
&
terminal
l
Specified
voltage
:
(854)
No
.
5
-
Body
I
70
.5
V,
or
more
9
Using
Subaru
select
monitor
:
(1)
Connect
connectors
to
ECM
and
TCM
.
(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
and
warm-up
the
engine
.
(6)
Operate
at
constant
engine
speed
.
(7)
Read
data
onSubaru
select
monitor
.
(8)
Designate
mode
using
function
key
.
Function
mode
:
F06
SPECIFIED
DATA
:
Same
astachometer
reading
(in
combination
meter)
7
Page 198 of 2890
3-2
rr7KO1
AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL
7
.
Diagnostic
Ch
art
with
Trouble
Code
K
:
TROUBLE
CODE
25
-
TORQUE
CONTROL
SIGNAL
-
DIAGNOSIS
:
"
Torque
control
signal
is
not
emitted
from
TCM
.
"
The
signal
circuit
is
open
or
shorted
.
1
.
Check
harness
connector
between
TCM
and
Not
OK
ECM
.
OK
I
Repair
or
replace
harness
connectors
.
2
.
Check
output
signal
for
TCM
.
J
OK
Not
OK
Repair
ECM
connector
terminal
poor
contact
.
Replace
ECM
.
1
9
Repair
TCM
connector
terminal
poor
contact
.
B84B55
ECM
79
F6TCM
B84
12u34
u
56
u
78
u
171819
20
2122
23242526
2128
2930
454647484950
5152
5354555657
7172
7374757677787980
8182
83
B55
12345678
1
9
1
10
1
1
11213141516
82M0598
I
8
Page 199 of 2890
AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL
[r7K2]
3-2
7
.
DiagnosticChart
with
Trouble
Code
1
23
4a
u
ss
u
7
s
u
1718
9
21
24
5
46
7
9v51
2
316
4
05
71
2
5
70
1
2
1
ggq
.
-jB55
n
r_1
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
1
1112131
1516
B3M0478A
1
.
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
l
Specifiedresistance
:
(855)
No
.
16
-
(B84)
No
.
79
/
1
S2,
orless
4)
Measure
resistance
of
harness
connector
between
TCM
and
body
to
make
sure
that
circuit
does
not
short
.
Connector
&
terminal
I
Specifiedresistance
:
(855)
No
.
16
-
Body
l
1
1140,
or
more
2
.
CHECK
OUTPUT
SIGNAL
FOR
TCM
.
1)
Connect
connectors
to
TCM
and
ECM
.
2)
Turn
ignition
switch
to
ON
.
3)
Measure
signal
voltage
between
TCM
connector
termi-
nal
and
body
.
Connector
&
terminal
l
Specifiedvoltage
:
(855)
No
.
16
-
Body
l
5
f
1
V
9
Page 200 of 2890
![SUBARU LEGACY 1996 Service Repair Manual 3-2[T7L0]
AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL
7
.
Diagnostic
Chart
with
Trouble
Code
1
.
Check
harness
connector
between
TCM
and
throttle
position
sensor
.
OK
2
.
Check
throttle
position
sens SUBARU LEGACY 1996 Service Repair Manual 3-2[T7L0]
AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL
7
.
Diagnostic
Chart
with
Trouble
Code
1
.
Check
harness
connector
between
TCM
and
throttle
position
sensor
.
OK
2
.
Check
throttle
position
sens](/manual-img/17/57433/w960_57433-199.png)
3-2[T7L0]
AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL
7
.
Diagnostic
Chart
with
Trouble
Code
1
.
Check
harness
connector
between
TCM
and
throttle
position
sensor
.
OK
2
.
Check
throttle
position
sensor
.
OK
1
3
.
Check
input
signal
for
TCM
.
Not
OK
4
.
Check
power
supply
tothrottle
position
sensor
.
OK
9
Repair
TCM
connector
terminal
poor
contact
.
e
Replace
TCM
.
Not
OK
j
Repair
or
replace
harnessconnectors
.
Not
OK
Replace
throttle
position
sensor
.
OK
~
9
Repair
TCM
connector
terminal
poor
contact
.
-~j9
Replace
TCM
.
Not
OK
,1
Repair
or
replace
harnessconnectors
.
E13
884
B84
112
34
U
56
U
78
U
171819
20
212223
24252627
28
2930
454647
48
49
50515253
1
54
1
55
1
5657
7172
73
74
757677787980
8182
83
L
:
TROUBLE
CODE
31
-
THROTTLE
POSITION
SENSOR
-
DIAGNOSIS
:
Input
signal
circuit
ofthrottle
position
sensor
is
open
or
shorted
.
TROUBLE
SYMPTOM
:
Shift
point
too
high
or
too
low
;
engine
brake
not
effected
in
"3"
range
;
excessive
shift
shock
;
excessive
tight
corner
"braking"
~~B56a~B54
821
E13
1234
12345678910
123456
1314151617181920
789101112
5678
9101112
1
23
1112
B2M0613
10