transmission oil SUBARU LEGACY 1996 Service Repair Manual
[x] Cancel search | Manufacturer: SUBARU, Model Year: 1996, Model line: LEGACY, Model: SUBARU LEGACY 1996Pages: 2890, PDF Size: 61.9 MB
Page 18 of 2890
ON-BOARD
DIAGNOSTICS
II
SYSTEM
[Tiq2]
2-
1
.
General
1~
Engine
control
module
(ECM)
~
Radiator
fan
~2
Ignition
coil~s
Radiator
fan
relay
~3
Ignitqr
~s
Pressure
sources
switching
solenoid
valve
~4
Crankshaft
position
sensor
~
Knock
sensor
~5
Camshaft
position
sensor
~
Back-pressure
transducer
Throttle
position
sensor
~s
Front
oxygen
sensor
~7
duel
injectors
~o
Rear
oxygen
sensor
(Except
California
model)
~8
Pressure
regulator
~
Pressure
sensor
Engine
coolant
temperature
sensor
~z
A/C
compressor
~o
Mass
air
flow
sensor
~
Inhibitor
switch
Idle
air
control
solenoid
valve
~
CHECK
ENGINE
malfunction
indicator
lamp
(MIL)
~z
Purge
control
solenoid
valve
~
Tachometer
0
Fuel
pump
~s
A/C
relay
0
PCV
valve
~
A/C
control
module
~s
Air
cleaner
~eIgnition
switch
Canister
~
Transmission
control
module
(TCM)
~
Main
relay
~o
Vehicle
speed
sensor
2
~a
Fuel
pump
relay
~
Data
link
connector
(For
Subaru
select
monitor)
~s
Fuel
filter
@
Data
link
connector
(For
Subaru
select
monitor
and
~o
Front
catalytic
converter
OBD-II
general
scan
tool)
Rear
catalytic
converter
@
Two
way
valve
~2
MGR
valve
~a
Rear
oxygen
sensor
(California
model
only)
EGR
control
solenoid
valve
~
Filter
3
Page 66 of 2890
ON-BOARD
DIAGNOSTICS
II
SYSTEM
[Tsn2i
2-7
6
.
Wiring
Diagram
and
Wiring
Harness
FWD
switch
(AWD)
B9
ffl
Droppig
Cruise
resistor
cont
rol
modu
le
OBD-II
Data
link
serviceCheck
connectorconnectorconnector
B78
ERB40
0
B79
m
B4
E
K
E
)
w
7
OEs
o
-
-
-
------------------
-
------
-
-
L
a
....
c
H
0
U
It
C
Y
0
.N
;W
Rr
06
N
BI1
T41
Ref
.
to
/Engine
electrical
system
.
a
:
B54
b
:
B55
c
:
856
She
ild
joint
connector
884
~
WK
LZIM
WL
B53
Engine
control
B9(B
I
ac
k)
module
1
2
854
(B
I
ac
k)
B79
(Grey)
1
23456
1
23
45
67
7
1
8
1
9101112
8
910
1112
1
13
1
14
r,
Bll
(Grey)
(B
I
ac
k)
B56894
(B
I
aCk)
34
S
78
D
q
Oil
2
9
Pl
.
12131415,91617
la19
110
I
5
16
1
3
14
1111121131141151161171161191201
AT
contro
I
------------
a
,,
Vehicle
speed
i(Transmission)
___
_____
__
__
sensor
1
ATF
temperature
sensor
Line
pressuresolenoid
Lock-up
solenoid
AWD
solenoid
Shift
solenoid
1
Shift
solenoid
2
Shift
solenoid
3
R3
Throttle
~-Cz'1
R~l
position
sensor
B2l
E2
El3
O
(Gray)
E13
(Brown)
853
B78
(Y
e
II
ow)
12
123
1234
56789
B55
(B
I
ack)
(
ED
(Grey)
12345678
12345678
9~011t213141St6
91111213141516
864
(L
i
ght
b
I
ue)
12
345678
9l0
lll21314
1516
I7l8l9
20
2122
23
24
2627282930
3132
3334
35
3637383940
4142
43
44
454647
1
48
1
49
~
0
1
51
2
15
3
15
4
~
5
1
56
15
7
8596061626364656667686970
7172
73
1
74
1
75
1
76
1
77
78
1
79
1
60
1
81
B
1
132
1
83d
8485
86
87888990
9192
93
94
9596
BUR41-02B
55
Page 175 of 2890
s-$
[D601]
WIRING
DIAGRAM
6
.
Wiring
Diagram
No
.
Load
MB-2
Powerwindow
circuit
breaker
Engine
control
module
Fuel
pump
relay
MB-3
Main
relay
OBD-II
service
connector
MB-4A/C
relay
holder
MB-6
Headlight
LH
Diode
(Lighting)
Lighting
switch
Combination
meter
M
B_$
Headlight
RH
Combination
meter
Door
lock
timer
MB-9
Luggage
room
light
Radio
Room
light
MB-10
A/C
relay
holder
ALT-1
Combination
meter
IG
A/C
relay
holder
Cruise
control
module
ST
Engine
control
module
Inhibitor
switch
FB-2
Diode
(A/C)
Sub
fan
motor
FB-3
Sub
fan
relay-2
Engine
control
module
Fuel
pump
relay
FB-4
Ignition
coil
Transmission
control
module
Side
marker
light
LH
FB-6
Side
marker
light
RH
FB-7Door
lock
timer
FB-9Hazard
switch
AT
shift
lock
control
module
FB-10
Key
warning
switch
Power
antenna
FB-11
Radio
FB-12
Cigarette
lighter
FB-13
Remote
control
rearview
mirrorswitch
AT
shift
lock
control
module
Combination
switch
Front
washer
motor
FB-14
Front
wipermotor
Rear
washer
motor
Rear
wipermotor
Rear
wiper
relay
FB-15Transmission
control
module
Na
Load
Rear
defogger
FB-16
Rear
defogger
condenser
Reardefogger
switch
FB-17
Rear
defogger
switch
FB-18
AT
shift
lock
control
module
Inhibitor
switch
FB-19
Hazard
switch
Combination
meter
FB-20
Mode
control
panel
FB-21
Combination
meter
(Airbag)
Blower
motor
relay
Check
connector
FB-22
FRESH/RECIRC
actuator
Mode
actuator
Powerwindow
relay
Seat
belt
timer
FB-23
Airbag
.
control
module
FB-24
Airbag
control
module
FB-25
Lighting
switch
FB-26
Parking
switch
FB-27
Parking
switch
FB-28
Illumination
light
FB-29
Illumination
light
FB-30
Stop
light
switch
Stop
&
brake
switch
FB-31
Horn
relay
FB-32
Blower
motor
relay
FB-33
Parking
switch
License
plate
light
LH
License
plate
light
RH
FB-34
Rear
combination
light
LH
Rear
combination
light
RH
Rear
finisher
light
LH
Rear
finisher
light
RH
FB-35
Cruise
control
main
switch
Cruise
control
module
Page 192 of 2890
3-2
[TSAO1
AUTOMATIC
TRANSMISSION
AND
DIFFERENTIAL
6
.
Diagnostic
Chart
for
On-board
Diagnostics
System
6
.
Diagnostic
Chart
for
On-board
Diagnostics
System
A
:
BASICDIAGNOSTIC
PROCEDURE
TROUBLE
OCCURS
.
INTERVIEW
1
.
Oil
level
check
<
Ref
.
to
3-2
[W2A1],
[W2A2]
.*1
>
2
.
Oil
leak
check
<
Ref
.
to
3-2
[W2A3]
.x`r1
>
3
.
Brake
band
adjustment
<
Ref
.
to
3-2
[W2B1]
.t`r1
>
4
.
Stall
test
<
Ref
.
to
3-2
[W3A0]
.*1
>
5
.
Line
pressure
test
<
Ref
.
to
3-2
[W3C0]
.*1
>
6
.
Transfer
clutch
pressure
test
<
Ref
.
to
3-2
[W3D0]
.*1
>
7
.
Time
lag
test
<
Ref
.
to
3-2
[W3B0]
.*1
>
8
.
Road
test
<
Ref
.
to
3-2
[W3E0]
.*1
>
BASIC
CHECKS
TROUBLE
INDICATION
(AT
OIL
TEMP
INDICATOR)
Not
indicated
.
Indicated
.
ON-BOARD
DIAGNOSTICS
Inspection
using
General
Diagnostic
Table
[T900]*I
.
I
Inspection
using
Diagnostic
Chart
with
Select
Monitor
[T800]*1,
*2
.
Not
OK
No
trouble
code
Trouble
code
Repair
.
CLEAR
MEMORY
Confirmation
test
Trouble
code
(ON-BOARD
DIAGNOSTICS)
No
trouble
code
End
Check
in
accordance
trouble
code
[T700]*1,
*2
.
2
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 503 of 2890
1. Engine Cooling System
Trouble Possible cause Corrective action
Over-heatinga. Insufficient engine coolantReplenish engine coolant, inspect for leakage, and
repair.
b. Loose timing belt Repair or replace timing belt tensioner.
c. Oil on drive belt Replace.
d. Malfunction of thermostat Replace.
e. Malfunction of engine coolant pump Replace.
f. Clogged engine coolant passage Clean.
g. Improper ignition timingInspect and repair ignition control system.
h. Clogged or leaking radiator Clean or repair, or replace.
i. Improper engine oil in engine coolant Replace engine coolant.
j. Air/fuel mixture ratio too leanInspect and repair fuel injection system.
k. Excessive back pressure in exhaust system Clean or replace.
l. Insufficient clearance between piston and cylinder Adjust or replace.
m. Slipping clutch Repair or replace.
n. Dragging brake Adjust.
o. Improper transmission oil Replace.
p. Defective thermostat Replace.
q. Malfunction of electric fanInspect radiator fan relay, engine coolant temperature
sensor or radiator motor and replace there.
Over-coolinga. Atmospheric temperature extremely low Partly cover radiator front area.
b. Defective thermostat Replace.
Engine coolant
leaks.a. Loosened or damaged connecting units on hoses Repair or replace.
b. Leakage from engine coolant pump Replace.
c. Leakage from engine coolant pipe Repair or replace.
d. Leakage around cylinder head gasket Retighten cylinder head bolts or replace gasket.
e. Damaged or cracked cylinder head and crankcase Repair or replace.
f. Damaged or cracked thermostat case Repair or replace.
g. Leakage from radiator Repair or replace.
Noisea. Defective drive belt Replace.
b. Defective radiator fan Replace.
c. Defective engine coolant pump bearing Replace engine coolant pump.
d. Defective engine coolant pump mechanical seal Replace engine coolant pump.
20
2-5DIAGNOSTICS
1. Engine Cooling System
Page 592 of 2890
B2M0633A
1. MECHANICAL APPLICATION TYPE
1) While pushing release lever
3to pivot and twisting it to
both sides, fit retainer spring
5onto the constricted portion
of pivot.
NOTE:
Confirm that retainer spring is securely fitted by observing
it through the main case hole.
2) Install release bearing
6and fasten it with two clips2.
3) Install release lever seal
4.
G2M0235
4) After remounting engine and transmission on body,
make adjustment of the clutch release lever end play.
CAUTION:
Take care not to twist the cable during adjustment.
5) Install release lever return spring (Models without hill
holder only).
NOTE:
Hook up the return spring to right side hole of the release
lever.
G2M0242
4. Clutch Disc and Cover
A: REMOVAL
1) Install ST on flywheel.
ST 498497100 CRANKSHAFT STOPPER
2) Remove clutch cover and clutch disc.
CAUTION:
Take care not to allow oil on the clutch disc facing.
Do not disassemble either clutch cover or clutch
disc.
G2M0243
3) Remove flywheel.
7
2-10SERVICE PROCEDURE
3. Release Bearing and Lever - 4. Clutch Disc and Cover
Page 593 of 2890
B2M0328
B: INSPECTION
1. CLUTCH DISC
1) Facing wear
Measure the depth of rivet head from the surface of facing.
Replace if facings are worn locally or worn down to less
than the specified value.
Depth of rivet head:
Standard value
1.3—1.9 mm (0.051—0.075 in)
Limit of sinking
0.3 mm (0.012 in)
CAUTION:
Do not wash clutch disc with any cleaning fluid.
B2M0329A
2) Hardened facing
Correct by using emery paper or replace.
3) Oil soakage on facing
Replace clutch disc and inspect transmission front oil seal,
transmission case mating surface, engine rear oil seal and
other points for oil leakage.
B2M0330A
4) Deflection on facing
If deflection exceeds the specified value at the outer cir-
cumference of facing, repair or replace.
Limit for deflection:
1.0 mm (0.039 in) at R = 107 mm (4.21 in)
B2M0333A
5) Worn spline, loose rivets and torsion spring failure
Replace defective parts.
8
2-10SERVICE PROCEDURE
4. Clutch Disc and Cover
Page 606 of 2890
1. Engine Cooling System
Trouble Possible cause Corrective action
Over-heatinga. Insufficient engine coolantReplenish engine coolant, inspect for leakage, and
repair.
b. Loose timing belt Repair or replace timing belt tensioner.
c. Oil on drive belt Replace.
d. Malfunction of thermostat Replace.
e. Malfunction of engine coolant pump Replace.
f. Clogged engine coolant passage Clean.
g. Improper ignition timingInspect and repair ignition control system.
h. Clogged or leaking radiator Clean or repair, or replace.
i. Improper engine oil in engine coolant Replace engine coolant.
j. Air/fuel mixture ratio too leanInspect and repair fuel injection system.
k. Excessive back pressure in exhaust system Clean or replace.
l. Insufficient clearance between piston and cylinder Adjust or replace.
m. Slipping clutch Repair or replace.
n. Dragging brake Adjust.
o. Improper transmission oil Replace.
p. Defective thermostat Replace.
q. Malfunction of electric fanInspect radiator fan relay, engine coolant temperature
sensor or radiator motor and replace there.
Over-coolinga. Atmospheric temperature extremely low Partly cover radiator front area.
b. Defective thermostat Replace.
Engine coolant
leaks.a. Loosened or damaged connecting units on hoses Repair or replace.
b. Leakage from engine coolant pump Replace.
c. Leakage from engine coolant pipe Repair or replace.
d. Leakage around cylinder head gasket Retighten cylinder head bolts or replace gasket.
e. Damaged or cracked cylinder head and crankcase Repair or replace.
f. Damaged or cracked thermostat case Repair or replace.
g. Leakage from radiator Repair or replace.
Noisea. Defective drive belt Replace.
b. Defective radiator fan Replace.
c. Defective engine coolant pump bearing Replace engine coolant pump.
d. Defective engine coolant pump mechanical seal Replace engine coolant pump.
20
2-5DIAGNOSTICS
1. Engine Cooling System
Page 707 of 2890
B2M0633A
1. MECHANICAL APPLICATION TYPE
1) While pushing release lever
3to pivot and twisting it to
both sides, fit retainer spring
5onto the constricted portion
of pivot.
NOTE:
Confirm that retainer spring is securely fitted by observing
it through the main case hole.
2) Install release bearing
6and fasten it with two clips2.
3) Install release lever seal
4.
G2M0235
4) After remounting engine and transmission on body,
make adjustment of the clutch release lever end play.
CAUTION:
Take care not to twist the cable during adjustment.
5) Install release lever return spring (Models without hill
holder only).
NOTE:
Hook up the return spring to right side hole of the release
lever.
G2M0242
4. Clutch Disc and Cover
A: REMOVAL
1) Install ST on flywheel.
ST 498497100 CRANKSHAFT STOPPER
2) Remove clutch cover and clutch disc.
CAUTION:
Take care not to allow oil on the clutch disc facing.
Do not disassemble either clutch cover or clutch
disc.
G2M0243
3) Remove flywheel.
7
2-10SERVICE PROCEDURE
3. Release Bearing and Lever - 4. Clutch Disc and Cover