1996 SUBARU LEGACY sensor

AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL
[Taoo]
3-2

8
.
Diagnostic
Chart
withSelect
Monitor

THVCC
(F14)

5
.2
V

83M0259

Probable
cause
(Item
outside
"specified
data")

1
1
.
Throttleposition
sensor
power
supply

N
:
MODE
F14

-
THROTTLE
POSITION
SENSOR
POWER

SUPPLY
(THVCC)
-

CONDITION
:

Ignition
switch
ON
(engine
OFF)

SPECIFIED
DATA
:

5
.12f0
.1
V
Check
throttle
sensor
line
.
<
Ref
.
to
3-2

[T7L0]
.*2
>
OK

AFM
(F15)

0
.6V

83M0370

Probable
cause
(if
outside
"specified
data")

1
.
Mass
air
flow
signal
Check
performance
characteristics
of
mass
air

flow
signal
.
.
to
3-2
[T7H0]
.*2>

OK

Check
TCM
and
replace
if
necessary
.

O
:
MODE
F15

-
MASS
AIR
FLOW
SIGNAL
(AFM)
-

CONDITION
:

"
Ignition
switch
ON
(engine
ON)

"N
range

Idling

SPECIFIED
DATA
:

Engine
warm-up
:
0
.5
-
1
.22
V

I
Check
TCM
and
replace
if
necessary
.

19

5-5b
[T1
00]
SUPPLEMENTAL
RESTRAINT
SYSTEM
(ELECTRIC
SENSOR
TYPE)

1
.
Electrical
Components
Location

1
.
Electrical
Components
Location
To
body

harness

Inflater
(Passenger)
Airbag
main
B31
harness

AB1
0000

Roll
connector
B10
AB8

v

AB3
AB6
Airbag
control

0
0~
AB7
module
with
safety

sensor
and
electric
sensor

Inflater
(Driver)

85M0402A

Connector
No
.
(AB1)(AB2)(AB3)(AB6)(AB7)(AB8)
(AB9)
(AB10)

Pole733123333

Color
YellowYellow
Yellow
YellowYellow
Yellow
YellowYellow

Male/Female
f
Male
I
Female
I
Female
I
Female
I
Male
I
Male
I
Male
I
Female

2-7
[T2A2]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

2
.
Electrical
Components
Location
2
.
Electrical
Components
Location

A
:
ENGINE

2
.
SENSOR

Fuel
level
sensor
~3
Fueltank
pressure
sensor

~2
Fuel
temperature
sensor
~4
Fuel
sub
level
sensor

r
B2M0921A

3

B2M0922A

B2M0946A

2_7
[T10A0]
ON-BOARD
DIAGNOSTICS
11
SYSTEM
10
.
Diagnostics
Chart
with
Trouble
Code

10
.
Diagnostics
Chart
with
Trouble
Code

A
:
DIAGNOSTIC
TROUBLE
CODE
(DTC)
LIST

DTC

No
.

Abbreviation

(Subaru
select
monitor)Item
Page

P0100
QA
Mass
air
flow
sensor
circuit
malfunction
'1

P0101
QA
-
R
Mass
air
flow
sensor
circuit
range/performance
problem
`1

P0105
P
-
S
Pressure
sensor
circuit
malfunction
*1

P0106
PS
-
R
Pressure
sensor
circuit
range/performance
problem
*1

P0115
TW
Engine
coolant
temperature
sensor
circuit
malfunction
'1

P0120
THV
Throttle
position
sensor
circuit
malfunction
'1

P0121
TH
-
R
Throttle
position
sensor
circuit
range/performance
problem
'1

P0125
TW
-
CL
Insufficient
coolant
temperature
for
closed
loop
fuel
control
'1

P0130
F02
-
V
Front
oxygen
sensor
circuit
malfunction
*1

P0133
F02
-
R
Front
oxygen
sensor
circuit
slowresponse
'1

P0135
F02H
Front
oxygen
sensor
heater
circuit
malfunction
*1

P0136
R02
-
V
Rear
oxygen
sensor
circuit
malfunction
'1

P0139
R02
-
R
Rear
oxygen
sensor
circuit
slowresponse
*1

P0141
R02H
Rear
oxygen
sensor
heater
circuit
malfunction
*1

P0170
FUEL
Fuel
trim
malfunction
'1

P0180
TNKT
Fuel
temperature
sensor
A
circuit
malfunction
10

P0181
TNKT-
FFuel
temperature
sensor
A
circuit
range/performance
problem
16

P0201
INJ1
Fuel
injector
circuit
malfunction
-
#1

P0202
INJ2Fuel
injector
circuit
malfunction
-
#2
"
1
P0203
INJ3Fuel
injector
circuit
malfunction
-
#3

P0204
INJ4Fuel
injector
circuit
malfunction
-
#4

P0301
MIS
-
1
Cylinder
1
misfire
detected

P0302
MIS
-
2Cylinder2
misfire
detected

P0303
MIS
-
3
Cylinder
3
misfire
detected

P0304
MIS
-
4
Cylinder
4
misfire
detected

P0325
KNOCK
Knock
sensor
circuit
malfunction
'1

P0335
CRANK
Crankshaft
position
sensor
circuit
malfunction
'1

P0340
CAM
Camshaft
position
sensor
circuit
malfunction
'1

P0400
EGR
Exhaust
gas
recirculation
flow
malfunction
`1

P0403
EGRSOL
Exhaust
gas
recirculation
circuit
malfunction
'1

P0420
CAT
Catalyst
system
efficiency
below
threshold
'1

P0440
EVAP
Evaporative
emission
control
system
malfunction
18

P0441
CPC
-
F
Evaporative
emission
control
system
incorrect
purge
flow
'1

P0443
CPC
Evaporative
emission
control
system
purge
control
valve
circuit
malfunction
'1

P0446
VCMSOL
Evaporative
emission
control
system
vent
control
malfunction
22

P0450
TNKP
Evaporative
emission
control
system
pressure
sensor
malfunction
28

P0451
TNKP
-
F
Evaporative
emission
control
system
pressure
sensor
range/performance

problem
36

'1
:
.
to
2-7
[T11A0]
.*4>

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
[T10BOa]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

10
.
Diagnostics
Chart
with
Trouble
Code

OBD
(FBI)

P0180


H2M1306

BO
:
DTC
P0180

-
FUEL
TEMPERATURE
SENSOR
A
CIRCUIT

MALFUNCTION
(TNKT)
-

DTC
DETECTING
CONDITION
:

e
Immediately
at
fault
recognition

10801
Connect
Subaru
Select
Monitor
or
the

OBD-11
general
scan
tool,
and
read
data
.

10802
Check
harness
between
fuel
temperature

sensor
and
ECM
connector
.

10B03
Check
harness
between
fuel
temperature

sensor
and
ECM
connector
.

CAUTION
:

After
repair
or
replacement
of
faultyparts,
conduct

CLEAR
MEMORY
and
INSPECTION
MODES
.

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

10

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

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