1996 SUBARU LEGACY Service Repair Manual

steering wheel auxiliary battery location MPG sensor seat memory fog light bulb

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Page 57 of 2890

SUBARU LEGACY 1996 Service Repair Manual 2-7
[T3G1]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

3
.
Diagnosis
System

EGR
SOL
(FDOS)

OX
IN

1
[0],
[ENT]

BMW
I

EGR
SOL
(FDOS)

*CHK*
O
:Y
1
:N

82M0652

EGR
SOL
(FDOS)

OX
1N

1
[1],
[ENT]

82M0653
I

E

Page 58 of 2890

SUBARU LEGACY 1996 Service Repair Manual
2_7
[T501]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

5
.
Specified
Data

5
.
Specified
Data

1
.
ENGINE
CONTROLMODULE
(ECM)
I/O
SIGNAL

++u++u++u++u
++~~
++++

1
1
0

to
B84

9
11
1
8
1
7
11
6
1
5
1
1
4
1
3
1

Page 59 of 2890

SUBARU LEGACY 1996 Service Repair Manual
ON-BOARD
DIAGNOSTICS
II
SYSTEM
[TSO1]
2-7
5
.
Specified
Data

C
t
T
il
Signal
(V)

Content
onnec
or
erm
na
Ignition
SW
ON
Note
No
.
No
.
Engine
ON
(Idling)
(Engine
OFF)

Starter
switch
B84
8600
Crank

ON-BOARD
DIAGNOSTICS
II
SYSTEM
[TSO1]
2-7
5
.
Specified
Data

C
t
T
il
Signal
(V)

Content
onnec
or
erm
na
Ignition
SW
ON
Note
No
.
No
.
Engine
ON
(Idling)
(Engine
OFF)

Starter
switch
B84
8600
Cranking
:
8
to
14

A/C
switch
B84
60
ON
:
10
-
13
ON
:
13
-
14

OFF
:
0
OFF
:
0

Ignition
switch
B84
85
10-13
13-
14
-

Neutral
position
switch
B84
82
ON
:
0
Switch
is
ON
when
shift
isin
"
"
OFF
:
5
.0f0
.5
"N
or
"P
position
.

Test
mode
connector
884
84
55
When
connected
:
0

Knock
Signal
B84
32
.8
2
.8
-

sensor
Shield
B84
56
00
-

AT/MT
identification
B84
81
55
When
measuring
voltage

between
ECM
and
body
.

Back-up
power
supply
B84
39
10-1313-14
Ignition
switch
"OFF"
:
10
-
13
Control
unit
power
1
supply
B84

2
10-13
13-14
-

Ignition
#
1,
#
2
B84
41
0
1
-3
.4
-

control
#
3,
#
4
B84
400
1
-3
.4
-

#
1
B84
96
10-13
1-14
Waveform

Fuel
#
2
B84
70
10-13
1-14
Waveform

injector
#
3
B84
44
10-13
1-14
Waveform

#
4
B84
16
10-13
1
-14
Waveform

Idle
air
OPEN
endB84
14
-
1
-13
Waveform
control

solenoid
CLOSE
B84
13
-
13-1
Waveform
valve
end

Fuel
pump
relay
g84
32
ON
:
0
.5,
or
less0
.5,
or
less
-
control
OFF
:
10
-
13

A/C
relay
control
B84
31
ON
:
0
.5,
orless
ON
:
0
.5,
or
less
OFF
:
10
-
13
OFF
:
13
-
14

Radiator
fan
relay
1
ON
:
0
.5,
or
less
ON
:
0
.5,
or
less

control

B84
74
OFF
:
10
-
13
OFF
:
13
-
14

Radiator
fan
relay2

B84
73

ON
:
0
.5,
or
less
ON
:
0
.5,
or
less
With
A/C
vehicles
only
control
OFF
:
10
-
13
OFF
:
13
-
14

Self-shutoff
control
B84
63
10-13
13-14
-

Malfunction
indicator
B84
58Light
"ON"
:
1,
or
less

lamp
Light
"OFF"
:
10
-
14

Engine
speed
output
B84
64
-
0
-
13,
or
moreWaveform

Torque
control
signal
B84
79
5
5
-

Mass
air
flow
signal
B84
47
0-0
.3
0
.8-
1
.2
-

Purge
control
solenoid

B84
72

ON
:
1,
or
less
ON
:
1,
or
less

valve
OFF
:
10
-
13
OFF
:
13
-
14

Atmospheric
pressure
B84
263
.9-4
.1
2
.0-2
.3
-
sensor

Pressure
sources
ON
:
1,
or
less
ON
:
1,
or
less
switching
solenoid
B84
15
OFF
:
10
-
13
OFF
:
13
-
14valve

EGR
solenoid
valve
B84
71
ON
:
1,
or
less
ON
:
1,
or
less

OFF
:
10
-
13
OFF
:
13
-
14
Front
oxygen
sensor
g84
38
0-1
.0
0-1
.0
-
heater
signal

45

Page 60 of 2890

SUBARU LEGACY 1996 Service Repair Manual 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

Page 61 of 2890

SUBARU LEGACY 1996 Service Repair Manual 2-7
(T6A1]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

6
.
Wiring
Diagram
and
Wiring
Harness

Combination
mete

Tachometer
il0
:e

i
12
:
b

Malfunction
I
il4
:c
indicator
~--
lamp

Speedometer
circuit

ill

Main

Page 62 of 2890

SUBARU LEGACY 1996 Service Repair Manual

Page 63 of 2890

SUBARU LEGACY 1996 Service Repair Manual 2-7
[rsai]
ON-BOARD
DIAGNOSTICS
II
SYSTEM

6
.
Wiring
Diagram
and
Wiring
Harness

Engine
Shield
Boost
Throttle
coolant
joint
sensorposition
Knock
temperature
E
.G.R
.
connector
sensor
sensor
sensor
so

Page 64 of 2890

SUBARU LEGACY 1996 Service Repair Manual
ON-BOARD
DIAGNOSTICS
II
SYSTEM
[TSAy]
2-7
6
.
Wiring
Diagram
and
Wiring
Harness

CrankshaftCamshaftpositionposition
sensorsensor

E10
I
E15

....
.
.
...
1
11
_..
.
..
._.J
r--
..

U)
33
3
:
E
1

---

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coolant level handbrake clock setting fuel pressure wheel service interval reset