Page 225 of 2890

2-7
RyoBOa1
ON-BOARD
DIAGNOSTICS
i1
SYSTEM
10
.
Diagnostics
Chart
with
Trouble
Code
R58
D
~,V
P
B2M0917A
I
R58
B2M0918A
I
CHECK
HARNESSBETWEEN
FUELTEM-
10B03
PERATURE
SENSOR
AND
ECM
CONNEC-
TOR
.
1)
Turn
ignition
switch
to
OFF
.
2)
Remove
access
hole
lid
.
3)
Disconnect
connector
from
fuel
pump
.
4)
Turn
ignition
switch
to
ON
.
5)
Measure
voltage
between
fuel
pump
connector
and
chassis
ground
.
CHECK
:
Connector
&
terminal
(R58)
No
.
6
(+)
-
Chassis
ground
(
)
:
Is
thevoltage
more
than4V?
YES
:
Go
to
next
step
6)
.
No
:
Repair
harness
and
connector
.
NOTE
:
In
this
case,
repair
the
following
:
*
Open
circuit
in
harness
between
ECM
and
fuel
pump
connector
"
Poor
contact
in
fuel
pump
connector
"
Poor
contact
in
ECM
connector
"
Poor
contact
in
coupling
connectors(B97
and
R57)
6)
Turn
ignition
switch
to
OFF
.
7)
Measure
resistance
of
harness
between
fuel
pump
connector
and
chassis
ground
.
CHECK
:
Connector
&
terminal
(R58)
No
.
5
-
Chassi
Is
the
resistance
less
,rES
:
Replace
fuel
temperatur
No
:
Repair
harness
andcon
NOTE
:
In
this
case,
repair
the
following
9
Open
circuit
in
harness
betw
e
connector
"
Poor
contact
in
fuel
pump
co
"
Poor
contact
in
ECM
connect
"
Poor
contact
in
coupling
co
R57)
14
s
ground
:
than5
S~?
e
sensor
.
nector
.
en
ECM
and
fuel
pump
nnector
or
nnectors
(B22,
B97
and
Page 226 of 2890
ON-BOARD
DIAGNOSTICS
II
SYSTEM
[T10B03]
2-7
10
.
Diagnostics
Chart
with
Trouble
Code
MEMO
:
15
Page 227 of 2890
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
Page 228 of 2890
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
Page 229 of 2890
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
Page 230 of 2890
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
Page 231 of 2890

2-7
RyoBOS1
ON-BOARD
DIAGNOSTICS
II
SYSTEM
10
.
Diagnostics
Chart
with
Trouble
Code
J
-Test
mode
connector
B2M0432B
--
Vent
control
solenoid
valve
82M0925A
o
Pur
e
control
z----_
11
r
1
4
,1
~
~
solenoidvalve
L
OBD0025B
I
CHECK
:
Is
there
any
damage
to
the
seal
between
fuel
filler
cap
and
fuel
filler
pipe?
Repair
or
replace
fuel
filler
cap
and
fuel
filler
pipe
.
No
:
Go
to
step
111011303
.
CHECK
VENT
CONTROL
SOLENOID
VALVE
.
1)
Connect
test
mode
connector
.
2)
Turn
ignition
switch
to
ON
.
CHECK
:
Does
vent
control
solenoid
valve
produce
*
Go
to
step
10BQ4
.
No
:
Replace
vent
control
solenoid
valve
.
operating
sound?
NOTE
:
Vent
control
solenoid
valve
operation
check
can
also
be
executed
using
Subaru
Select
Monitor
(Function
mode
:
FD08)
.
For
the
procedure,
referto
"COMPULSORY
VALVE
OPERATION
CHECK
MODE"
2-7
[T3F0]
4
.
10B04
CHECK
I
VA
L
VE
.
PURGE
CONTROL
SOLENOID
Does
purge
control
solenoid
valve
produce
operating
sound?
NOTE
:
Purge
control
solenoid
valve
operation
check
can
also
be
executed
using
Subaru
Select
Monitor
(Function
mode
:
FD02)
.
For
the
procedure,
referto
"COMPULSORY
VALVE
OPERATION
CHECK
MODE"
2-7
[T3F0]*4
.
YES
:
Go
to
step
10BQ5
.
No
:
Replace
purge
control
solenoid
valve
.
20
Page 232 of 2890
![SUBARU LEGACY 1996 Service Repair Manual
ON-BOARD
DIAGNOSTICS
11
SYSTEM
[T10BQ6]
2-7
10
.
Diagnostics
Chart
with
Trouble
Code
U
Pressure
control
solenoid
valve
B2M0923B
1OB105
CHECK
(VALVE
.
PRESSURE
CONTROL
SOLENOID
Does
pressure
c SUBARU LEGACY 1996 Service Repair Manual
ON-BOARD
DIAGNOSTICS
11
SYSTEM
[T10BQ6]
2-7
10
.
Diagnostics
Chart
with
Trouble
Code
U
Pressure
control
solenoid
valve
B2M0923B
1OB105
CHECK
(VALVE
.
PRESSURE
CONTROL
SOLENOID
Does
pressure
c](/manual-img/17/57433/w960_57433-231.png)
ON-BOARD
DIAGNOSTICS
11
SYSTEM
[T10BQ6]
2-7
10
.
Diagnostics
Chart
with
Trouble
Code
U
Pressure
control
solenoid
valve
B2M0923B
1OB105
CHECK
(VALVE
.
PRESSURE
CONTROL
SOLENOID
Does
pressure
control
solenoid
valve
pro-
duce
operating
sound?
NOTE
:
Pressure
control
solenoid
valve
operation
check
can
also
beexecuted
using
Subaru
Select
Monitor
(Function
mode
:
FD07)
.
For
the
procedure,
refer
to
"COMPULSORY
VALVE
OPERATION
CHECK
MODE"
2-7
[T3F0]*4
.
0
:
Go
to
step
1011306
.
No
:
Replace
pressure
control
solenoid
valve
.
10B06
I
CHECK
EVAPORATIVE
EMISSION
CONTROL
SYSTEM
LINE
.
vES
:
Repair
or
replace
fuel
tank
.
o
;
Go
to
next
CHECK
CHECK
:
Are
there
holes,
cracks,
clogging
or
discon-
nections
of
hoses
or
pipes
in
evaporative
emission
control
system?
vES
:
Repair
or
replace
hoses
or
pipes
.
No
:
Contact
with
SOA
service
.
NOTE
:
Inspection
by
DTM
is
required,
because
probable
cause
is
deterioration
of
multiple
parts
.
Repair
or
replace
canister
.
o
:
Go
to
next
Ei~~
-
CHECK
:
Is
there
any
damage
atfuel
tank?
Turn
ignition
switch
to
OFF
.
CHECK
:
Does
fuel
leak
in
fuel
line?
,rES
:
Repair
or
replace
fuel
line
.
o
:
Go
to
next
E~~
-
CHECK
:
Is
there
any
damage
at
canister?
21