fuel pump SUBARU LEGACY 1996 Service User Guide
[x] Cancel search | Manufacturer: SUBARU, Model Year: 1996, Model line: LEGACY, Model: SUBARU LEGACY 1996Pages: 2890, PDF Size: 61.9 MB
Page 177 of 2890

WIRING
DIAGRAM
[oso2i
6-3
6
.
Wiring
Diagram
GB-3
838
13
i13
s-r,
Comb
inationmeter
831
O
SRS
Front
wiper
cui
harness
motor
B9
E
E
FWD
switchCIll
GB-6
GB-4
Brake
fluid
B
CE
level
switch
S
.
M
.
J
.
(Refer
to
foldout
page
.]
B97
Rl
892
IM
Door
lock
module
R7
-71P
position
switch
i
Shift
lock
-
solenoid
B94
~
R~5
R57
RSB
Cruise
control
Fuel
gauge
modulemodule
&
fuel
pump
Evaporator
~z
thermoswltch
Rear
defogger
condenser
R23
-
e
Power
antenna
GB-5GB-9
Rear
Rearfinisher
finisher
High-mount
light
LH
light
RHStop
light
D69042D39
-
~-l
R26
car
combination
m
light
RH
R37
m4
0~3
Lisence
plat
044
e
light
RH
D45
Llsence
plate
light
LH
043
Rear
wtperEnj
motor
D4B
Rear
defogge
r
D46
Reargete
latch
switch
tear
combination
light
LH
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
R7
D33
(Black)
R6
i23
(Brown)(Black)
B9
O(Black)
816
(G
rey)
O(Gray)
DL4D65X39
88B
(B18ck)
21
2
12
12
1212
123
Flb
(B
I
ac
k)
B62D63R26
(B
I
8C
k)
F17
(g
I
flc
k)
DG9042R2B
(B
I
ac
k)
i
13
R23
X31
(Ye
II
ow)
(E)
1
2
34
riT2
ri-r2
m34
131415161
o23
R45
67
1
234
1
234
S
M67
8
P567
N8
(B
I
ac
k)
07
894
(B
I
ac
k)i3
(Brown)
830
1
2
34
1
23
4
67
89
1
12
4
78910
1
1
7891
7
23
L
5
16
89
2211171
4
112131
19
0
6
141
6789
67891
1
1
112(3(
111
l
141
1617LB19
t
12114
1
1611
192
p1
BUR04-02B
7
Page 182 of 2890

6-3
[Dso131
WIRING
DIAGRAM
6
.
Wiring
Diagram
Combination
meter
Tachometer
i10
:a
-
110
OD
:
b
Malfunction
i14
I:
c
indicator
~}g
lamp
Speedometer
circuit
ill
Main
relay
o
B47
Twisted
wire
0
B46
E
Fuel
pump
relay
13
.
ENGINE
ELECTRICAL
SYSTEM
To
Power
Supply
Routing
FB-20
~
MB-3
~
FB-4
~
ST
FB-22
Check
FUSENa
15
SBF-2
FUSE
Na
l6IGSW
FUSE
W
15
connector
a
v
B79
,~l,,I
F45
u
B62(2
837
i3
B3B
S
.
M
.
J
.
[Referto
foldout
page
.]
R58R57Rt5
Fuel
M
Y
pump
E
Inhibitor
switch
Bl2
B97817
RI
Vehicle
speed
sensor
2
B17
(B
I
ac
k)
i
tl
B46
(Green)
R15
(B
I
ac
k)
R58
12
1
2
123
12
12334
3456
456
(
2D
(Light
gray)
110
i
l2
(L
I
ght
gray)
1
1
1
2
1
3
1
4
1
5
1
6
M78
9
1
10
1
11
1
12
1
D
1
1234567891011113141516
rnrnmvo~
v
.»ov
.0m
.OMPPmM
.Oh
l~
Enginecontro
I
B84
module
B47
(Brown)
(g
)(Gray)
1
2
1
23
4
31
45
67
85
1
69
1
16N1
1
12
1
-
(
ED
B79
(Gray)
1
23
4567
89
1
10
1112
1314
t2(3
(B
rown)
234789
12345
678910
l
'
1
11
1
1
2l3l4151617181920~~
lll2(31415t6L71819202122
BUR10-02A
12
Page 190 of 2890

r
Connecting
to
)r
Area
No
.
Name
C-4
D1
Front
doorcord
RH
ow
C-4
ABi
SRS
(Airbag)
harness
;k
C-4
Turn
&
hazard
module
.k
C-3
i1
C-3
i2
instrument
panel
wiring
un
C-3
i3
harness
e
C-3
i4
y
C-3
OBD-IIservice
connector
C-3
Power
window
circuit
breaker
C-3
Power
window
relay
;k
C-3
Illuminationcontrol
module
C-3
Seat
belt
timer
;n
B-4
Fuel
pump
relay
vn
B-4
Main
relay
;k
B-4
Horn
relay
B-4
Blower
relay
y
C-4
FIB
y
C-4
B-3
Shield
joint
connector
(AT)
.k
B-3
:k
B-3
Transmission
control
module
.k
B-3
:k
B-3
Shift-lock
control
module
B-4F44
i
h
B-4F45
Front
w
ring
arness
.k
B-3
Stop
light
switch
,k
B-3
Stop
8
brake
switch
(Withcruise
control)
:k
8-3
Cruise
control
sub
switch
Connector
Connecting
to
No
.
Pole
Color
Area
No
.
Name
869
11
Black
C-3
B70
9
C-3
Combination
switch
B71
8
8-3
B72
6
Black
C-3
Ignition
switch
B73
2
Black
B-3
Key
lock
solenoid
B74
2
Black
B-3
Key
warning
switch
B75
2
Green
B-2
876
T
d
B76
2
Green
8-2
875
e
connector
est
mo
877
7
B-2
Mode
actuator
B78
9
Yellow
B-2
Data
link
connector
B79
14
Gray
C-2
Check
connector
BBO
4
Blue
B-2
i20
Instrument
panel
wiring
harness
B81
1
x
2
B-2
Diagnosis
terminal
(Ground)
B82
6
Black
B-2
Diagnosisconnector
BB3
4
C-1
Shield
joint
connector
(EIG)
BBQ
96Lightblue
C-2
Engine
control
module
B85
4
Brown
B-3
Diode
(Lighting)
B86
4
Black
B-1
Blower
motor
resistor
887
2
Black
B-1
Blower
motor
888
3
Black
B-1
Evaporatorthermoswitch
B90
2
Green
B-4
R50
Room
light
cord
B91
5
B-1
FRESHIRECIRC
actuator
B92
8
B-1
Door
lock
timer
894
20
Black
B-1
Cruise
control
module
B97
56
B-4
R1
Rear
wiring
harness
(S.M
.J
.)
B101
24
B-1
D11
Front
door
cord
LH
8111
3
Gray
C-4FIB
`
:
Non-colored
4
.
BULKHEAD
WIRING
HARNESS
(IN
COMPARTMENT)
1
I
2
I
3
I
4
A
B
C
D
1
I
2
I
3
I
4
[oeo41
B6M0513A
A
B
C
iJ
23
Page 191 of 2890

Connector
Connecting
to
No
.
Pole
Color
Area
No
.
Name
830
24
C-4
D1
Front
door
cord
RH
831
7
Yellow
C-4
A81
SRS
(Airbag)
harness
B32
3
Black
C-4
Turn
&
hazard
module
B36
22
Black
C-3
i1
B37
22
C-3
i2
Instrument
panel
wiring
B38
22
Brown
C-3
i3
harness
B39
20Blue
C-3
i4
B40
16
Gray
C-3
OBD-II
service
connector
B41
2
C-3
Power
window
circuit
breaker
842
4
C-3
Power
window
relay
B43
6
Black
C-3
Illumination
control
module
B44
8
C-3
Seat
belt
timer
B46
4
Green
B-4
Fuel
pump
relay
B47
6
Brown
B-4
Main
relay
B49
3
Black
B-4
Horn
relay
850
4
B-4
Blower
relay
851
11
Gray
C-4
FIB
B52
12
Gray
C-4
853
4
B-3
Shield
joint
connector
(AT)
B54
12
Black
B-3
B55
16
Black
B-3
Transmission
control
module
B56
20
Black
B-3
B57
12
Black
B-3
Shift-lock
control
module
861
B
B-4
F44
B62
20
B-4
F45
Front
wiring
harness
B64
2
Black
B-3
Stop
light
switch
B65
4
Black
B-3
Stop
&
brake
switch(Withcruise
control)
B68
5
i
Black
i
B-3
Cruise
control
sub
switch
Connector
Connecting
to
No
.
Pole
Color
Area
No
.
Name
B69
11
Black
C-3
B70
9
C-3
Combination
switch
B71
8
8-3
B72
6
Black
C-3
Ignition
switch
B73
2
Black
B-3
Key
lock
solenoid
B74
2
Black
B-3
Key
warning
switch
B75
2
Green
B-2
B76
B76
2
Green
&2
B75
Test
mode
connector
B77
7
B-2
Made
actuator
B78
9
Yellow
B-2
Data
link
connector
B79
14
Gray
C-2
Check
connector
B80
4
Blue
B-2
i20
Instrumentpanel
wiring
harness
B81
1
x
2
B-2
Diagnosis
terminal
(Ground)
B82
6
Black
B-2
Diagnosis
connector
B83
4
C-1
Shield
joint
connector
(E!G)
884
96
Light
blue
C-2
Engine
control
module
885
4
Brown
B-3
Diode
(Lighting)
B86
4
Black
B-1
Blower
motor
resistor
887
2
Black
B-1
Blower
motor
B88
3
Black
8-t
Evaporator
thermoswitch
890
2
Green
B-4
R50
Room
light
cord
B91
5B-1
FRESHIRECIRC
actuator
892
8
B-1
Door
lock
timer
B94
20
Black
B-1
Cruise
control
module
B97
56
B-4
R1Rear
wiring
harness
(S
.M
.J
.)
B101
24
B-1
D11
Front
doorcord
LH
13111
3
Gray
C-4
FIB
`
:
Non-colored
4
.
BULKHEAD
WIRING
HARNESS
(IN
COMPARTMENT)
A
B
C
1]
4
23
Page 215 of 2890

2-7
[reioi
ON-BOARD
DIAGNOSTICS
II
SYSTEM
8
.
Diagnostics
for
Engine
Starting
Failure
8
.
Diagnostics
for
Engine
Starting
Failure
I:
FUEL
PUMP
CIRCUIT
(2200
cc
AWD
EXCEPT
TAIWANMODEL)
811
Check
operating
sound
offuel
pump
.
812
Checkground
circuit
offuel
pump
.
I
__
813
Check
power
supply
to
fuel
pump
.
1
814
Check
harness
between
fuel
pump
and
fuel
pump
relay
connector
.
815
[
Check
fuel
pump
relay
.
816
Check
harness
between
ECM
and
fuel
pump
relay
connector
.
CAUTION
:
After
repair
or
replacement
of
faulty
parts,
conduct
CLEAR
MEMORY
and
INSPECTION
MODES
.
Ref
.
to
2-7
[T3D0]
and
[T3E0]
.*2
and
*4
>
4
Page 216 of 2890
![SUBARU LEGACY 1996 Service User Guide
ON-BOARD
DIAGNOSTICS
II
SYSTEM
[rsi2]
2-7
8
.
Diagnostics
for
Engine
Starting
Failure
WIRING
DIAGRAM
:
Fuel
pump
M
R58
S
.M
.J
.
R67R46
R1
897
E
B84
ECM
Fuel
pump
relay
0
846
SBF-2
No
.1 SUBARU LEGACY 1996 Service User Guide
ON-BOARD
DIAGNOSTICS
II
SYSTEM
[rsi2]
2-7
8
.
Diagnostics
for
Engine
Starting
Failure
WIRING
DIAGRAM
:
Fuel
pump
M
R58
S
.M
.J
.
R67R46
R1
897
E
B84
ECM
Fuel
pump
relay
0
846
SBF-2
No
.1](/img/17/57433/w960_57433-215.png)
ON-BOARD
DIAGNOSTICS
II
SYSTEM
[rsi2]
2-7
8
.
Diagnostics
for
Engine
Starting
Failure
WIRING
DIAGRAM
:
Fuel
pump
M
R58
S
.M
.J
.
R67R46
R1
897
E
B84
ECM
Fuel
pump
relay
0
846
SBF-2
No
.16
~b---
862F45
884
9
10
1112
13141516
R58
R61B46
3132
333435363738
39
40
4142
43
44585960
6162
6364
6566
6768
6910
1
2
3
~1
]
M34
1
84
1
8
51
86
1
871
88
1
89
1
90
1
91
1
92
1
93
1
94
1
95
1
96
1
4
56~J
82M
1014
PUMpK
OPERATING
SOUND
OFFUEL
811
CHEC
R58
OBD0132A
Make
sure
that
fuel
pump
isin
operation
for
two
seconds
when
turning
ignition
switch
to
ON
.
CHECK
:
Does
fuel
pump
produce
operating
sound?
NOTE
:
Fuel
pump
operation
check
can
also
beexecuted
using
Subaru
Select
Monitor
(Function
mode
:
FD01)
.
For
the
procedure,
referto
"COMPULSORY
VALVE
OPER-
ATION
CHECK
MODE"
2-7
[T3F0]*4
.
,res
:
Check
fuel
injector
circuit
.
<
Ref
.
to
2-7
[T10Q0].*2
>
No
:
Go
to
step
812
.
1
812
CHECK
GROUND
CIRCUIT
OF
FUEL
PUMP
.
1)
Turn
ignition
switch
to
OFF
.
2)
Disconnect
connector
from
fuel
pump
.
3)
Measure
resistance
of
harness
connector
between
fuel
pump
and
chassis
ground
.
CHECK
:
Connector
&
terminal
(R58)
No
.
4
-
Chassis
ground
:
Is
the
resistance
less
than
5
S2?
5
Page 217 of 2890

2-7
trsi31
ON-BOARD
DIAGNOSTICS
II
SYSTEM
8
.
Diagnostics
for
Engine
Starting
Failure
R58
Bog
1
23
2
1
L
11
5
643
D
S2
B2M0526A
,rES
:
Go
to
step
813
.
No
:
Repair
open
circuit
in
fuel
pump
ground
circuit
.
813
I
CHECK
POWER
SUPPLY
TOFUEL
PUMP
.
1)
Turn
ignition
switch
to
ON
.
2)
Measure
voltage
of
power
supply
circuit
between
fuel
pump
connector
and
chassis
ground
.
CHECK
:
Connector
&
terminal
(R58)
No
.
1
(+)
-
Chassis
ground
(
)
:
Is
the
voltage
more
than10
V?
,rES
:
Replace
fuel
pump
.
No
:
Go
to
step
814
.
814
CHECK
HARNESS
BETWEEN
FUEL
PUMP
AND
FUEL
PUMP
RELAY
CONNECTOR
.
1)
Turn
ignition
switch
to
OFF
.
2)
Measure
resistance
of
harness
connector
between
fuel
pump
and
fuel
pump
relay
.
CHECK
:
Connector
&
terminal
(R58)
No
.
1
-
(B46)
No
.
4
:
Is
the
resistance
less
than
1
S2?
,rES
:
Go
to
next
CHECK
No
:
Repair
open
circuit
in
harness
between
fuel
pump
and
fuel
pump
relay
connector
.
CHECK
:
Connector
&
terminal
(R58)
No
.
1
-
Chassis
ground
:
Is
the
resistance
more
than
1
MS2?
,res
:
Go
to
step
815
.
No
:
Repair
short
circuit
in
harness
between
fuel
pump
and
fuel
pump
relay
connector
.
6
Page 218 of 2890

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[Tsisl
2-7
8
.
Diagnostics
for
Engine
Starting
Failure
815
1
CHECK
FUEL
PUMP
RELAY
.
1)
Disconnectconnectors
from
fuel
pump
relay
and
main
relay
.
2)
Remove
fuel
pump
relay
and
main
relay
with
bracket
.
3)
Connect
battery
to
fuel
pump
relay
connector
terminals
No
.
1
and
No
.
3
.
4)
Measure
resistance
between
connector
terminals
of
fuel
pump
relay
.
CHECK
;
Terminals
No
.
2
-
No
.
4
:
Is
the
resistance
less
than10
92?
YES
:
Go
tostep
816
.
No
:
Replace
fuel
pump
relay
.
816
CHECK
HARNESS
BETWEEN
ECM
FUEL
PUMP
RELAY
CONNECTOR
.
AND
1)
Disconnectconnectors
from
ECM
.
2)
Measure
resistanceof
harness
between
ECM
and
fuel
pump
relay
connector
.
CHECK
:
Connector
&
terminal
(B84)
No
.
32
-
(B46)
No
.
3
:
Is
the
resistance
less
than
1
0?
YES
.
Go
to
next
CHECK
No
:
Repair
harness
between
ECM
and
fuel
pump
relay
connector
.
CHECK
:
Is
there
poor
contact
in
ECM
connector?
vES
:
Repair
poor
contact
in
ECM
connector
.
No
:
Check
fuel
injector
circuit
.
<
Ref
.
to
2-7
[T8F0]
.*2
>
7
Page 223 of 2890
![SUBARU LEGACY 1996 Service User Guide 2-7
[T10B01]
ON-BOARD
DIAGNOSTICS
II
SYSTEM
10
.
Diagnostics
Chart
with
Trouble
Code
Data
link
connector
-
Subaru
select
monitor
and
BrD-11
general
scan
tool)
Data
link
connector
~(for
Subaru
selec SUBARU LEGACY 1996 Service User Guide 2-7
[T10B01]
ON-BOARD
DIAGNOSTICS
II
SYSTEM
10
.
Diagnostics
Chart
with
Trouble
Code
Data
link
connector
-
Subaru
select
monitor
and
BrD-11
general
scan
tool)
Data
link
connector
~(for
Subaru
selec](/img/17/57433/w960_57433-222.png)
2-7
[T10B01]
ON-BOARD
DIAGNOSTICS
II
SYSTEM
10
.
Diagnostics
Chart
with
Trouble
Code
Data
link
connector
-
Subaru
select
monitor
and
BrD-11
general
scan
tool)
Data
link
connector
~(for
Subaru
select
monitor
~onlY)
\~V
82M1016A
I
TNKT
(F44)
20°C
68°F
H2M
1308
TNKT
(F44)
20°C
68°F
H2M1308
CONNECTSUBARU
SELECT
MONITOROR
10801
THE
OBD-II
GENERAL
SCAN
TOOL,
AND
READDATA
.
1)
Turn
ignition
switch
to
OFF
.
2)
Connect
Subaru
Select
Monitor
or
the
OBD-II
general
scan
tool
to
data
link
connector
.
3)
Turn
ignition
switch
to
ON
and
Subaru
Select
Monitor
or
OBD-II
general
scan
tool
switch
to
ON
.
4)
Start
engine
.
5)
Read
data
onSubaru
Select
Monitor
or
OBD-II
general
scan
tool
.
*
Subaru
Select
Monitor
Designate
mode
using
function
key
.
Function
mode
:
F44
9
F44
:
Fuel
temperature
is
indicated
in
"°C"
and
"°F"
CHECK
:
Is
the
value
greater
than
150°C
or
300°F
in
function
mode
F44?
,rES
:
Go
to
step
10802
.
No
:
Go
to
next
CHECK
CHECK
;
Is
the
value
less
than
-40°C
or
-40°F
in
func-
tion
mode
F44?
,rss
:
Go
to
step
10803
.
No
:
Repair
poor
contact
.
NOTE
:
In
this
case,
repair
the
following
:
"
Poor
contact
in
fuel
pump
connector
"
Poor
contact
in
ECM
connector
"
Poor
contact
in
coupling
connector
(B22,
B97
and
R57
"
OBD-II
general
scan
tool
For
detailed
operation
procedures,
referto
the
OBD-
General
Scan
Tool
Instruction
Manual
.
12
II
Page 224 of 2890
![SUBARU LEGACY 1996 Service User Guide
ON-BOARD
DIAGNOSTICS
II
SYSTEM
[T10B02]
2-7
10
.
Diagnostics
Chart
with
Trouble
Code
Data
link
connector
(for
Subaru
select
monitor
and
OBD-II
general
scan
tool)
I
Data
link
connector
(for
Subaru
SUBARU LEGACY 1996 Service User Guide
ON-BOARD
DIAGNOSTICS
II
SYSTEM
[T10B02]
2-7
10
.
Diagnostics
Chart
with
Trouble
Code
Data
link
connector
(for
Subaru
select
monitor
and
OBD-II
general
scan
tool)
I
Data
link
connector
(for
Subaru](/img/17/57433/w960_57433-223.png)
ON-BOARD
DIAGNOSTICS
II
SYSTEM
[T10B02]
2-7
10
.
Diagnostics
Chart
with
Trouble
Code
Data
link
connector
(for
Subaru
select
monitor
and
OBD-II
general
scan
tool)
I
Data
link
connector
(for
Subaru
select
monitor
only)
B2M1016A
TNKT
(F44)
20°C
68°F
H2M1308
CHECK
HARNESS
BETWEEN
FUELTEM-
10B02
pERATURE
SENSOR
AND
ECM
CONNEC-
TOR
.
1)
Turn
ignition
switch
to
OFF
.
2)
Remove
access
hole
lid
.
3)
Disconnect
connector
from
fuel
pump
.
4)
Connect
Subaru
Select
Monitor
or
the
OBD-II
general
scan
tool
to
data
link
connector
.
5)
Turn
ignition
switch
and
Subaru
Select
Monitor
or
OBD-II
general
scan
tool
switch
to
ON
.
6)
Read
data
onSubaru
Select
Monitor
or
the
OBD-II
general
scan
tool
.
9
Subaru
Select
Monitor
Designate
mode
using
function
key
.
Function
mode
:
F44
9
F44
:
Fuel
temperature
is
indicated
in
"°C"
and
"°F"
.
CHECK
:
Is
thevalue
less
than
-40°C
or
-40°F
in
func-
tion
mode
F44?
vES
:
Replace
fuel
temperature
sensor
.
No
:
Repair
short
circuit
in
harness
between
fuel
pump
and
ECM
connector
.
e
OBD-II
general
scan
tool
For
detailed
operation
procedures,
refer
to
the
OBD-
General
Scan
Tool
Instruction
Manual
.
13
I
I