1997 SUBARU LEGACY Service Repair Manual

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Page 2473 of 3342

SUBARU LEGACY 1997 Service Repair Manual Overrunning clutch
Drive pinion
Crown gear
Axle shaft
Differential gear
Final gear
Seal pipe
Oil pump
High clutch
Band brake
Low & reverse clutch
Reverse clutch
One-way clutch (1-2)
One-way clutch (3-

Overrunning clutch
Drive pinion
Crown gear
Axle shaft
Differential gear
Final gear
Seal pipe
Oil pump
High clutch
Band brake
Low & reverse clutch
Reverse clutch
One-way clutch (1-2)
One-way clutch (3-4)
Double oil seal
Input shaft
Output shaft
Planetary gear
Reduction gear
Drive plate
Torque converter one-way clutch
Lock-up facing
Lock-up damper
ATF deterioration
ATF level too high or too low
Differential gear oil level too high or too low
Engine performance
Engine speed signal
Parking brake mechanism
Problem parts
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 Symptom
Starter does not rotate when select lever is
in“P”or“N.”; starter rotates when select
lever is“R”,“D”,“3”or“2.”
XXXAbnormal noise when select lever is in“P”or
“N.”
X Hissing noise occurs during standing starts.
X X X X Noise occurs while driving in“D
1”range.
X X X X Noise occurs while driving in“D
2”range.
X X X Noise occurs while driving in“D
3”range.
X X X X Noise occurs while driving in“D
4”range.
XXEngine stalls while shifting from one range to
another.
Vehicle moves when select lever is in“N.”
XShock occurs when select lever is moved
from“N”to“D.”
Excessive time lag occurs when select lever
is moved from“N”to“D.”
XShock occurs when select lever is moved
from“N”to“R.”
XXExcessive time lag occurs when select lever
is moved from“N”to“R.”
XXXX X XXX X XVehicle does not start in any shift range
(engine revving up).
XVehicle does not start in any shift range
(engine stall).
XXVehicle does not start in“R”range only
(engine revving up).
XXVehicle does not start in“R”range only
(engine stall).
XVehicle does not start in“D”or“3”range
(engine revving up).
Vehicle does not start in“D”,“3”or“2”range
(engine revving up).
XVehicle does not start in“D”,“3”or“2”range
(engine stall).
Vehicle starts in“R”range only (engine rev-
ving up).
XXAcceleration during standing starts is poor
(high stall rpm).
XXXAcceleration during standing starts is poor
(low stall rpm).
XX XAcceleration is poor when select lever is in
“D”,“3”or“2”range (normal stall rpm).
XXXXAcceleration is poor when select lever is in
“R”(normal stall rpm).
XNo shift occurs from 1st to 2nd gear.
X X No shift occurs from 2nd to 3rd gear.
XNo shift occurs from 3rd to 4th gear.
No“kick-down”shifts occur.
Engine brake is not effected when select
lever is in“3”range.
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
69
3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
9. General Diagnostic Table

Page 2474 of 3342

SUBARU LEGACY 1997 Service Repair Manual Problem parts
Inhibitor switch
Control module
Vehicle speed sensor 1
Vehicle speed sensor 2
Select cable
Select lever
FWD switch
Starter motor and harness
Throttle position sensor
Diagnosis switch
Acc

Problem parts
Inhibitor switch
Control module
Vehicle speed sensor 1
Vehicle speed sensor 2
Select cable
Select lever
FWD switch
Starter motor and harness
Throttle position sensor
Diagnosis switch
Accumulator (“N”—“D”)
Accumulator (2A)
Accumulator (4A)
Accumulator (3R)
ATF temperature sensor
Strainer
Duty solenoid A
Duty solenoid B
Shift solenoid 1
Shift solenoid 2
Shift solenoid 3
Control valve
Detent spring
Manual plate
Transfer clutch
Transfer valve
Transfer pipe
Duty solenoid C
Forward clutch
Symptom1234567891011121314151617181920212223242526272829
Engine brake is not effected when select
lever is in“3”or“2”range.
Engine brake is not effected when select
lever is in“1”range.X
Shift characteristics are erroneous.XXXX X X
No lock-up occurs. X X X X
Vehicle cannot be set in“D”range power
mode.XX
“D”range power mode cannot be released. X X X
Parking brake is not effected. X X
Shift lever cannot be moved or is hard to
move from“P”range.XX
Select lever is hard to move. X X X X
Select lever is too light to move (unreason-
able resistance).XX
ATF spurts out.
Differential oil spurts out.
Differential oil level changes excessively.
Odor is produced from oil supply pipe.XX
Shock occurs when select lever is moved
from“1”to“2”range.X XXXX X
Slippage occurs when select lever is moved
from“1”to“2”range.X XXXX X
Shock occurs when select lever is moved
from“2”to“3”range.XXXXXX
Slippage occurs when select lever is moved
from“2”to“3”range.XXXXXX
Shock occurs when select lever is moved
from“3”to“4”range.X X XXX X
Slippage occurs when select lever is moved
from“3”to“4”range.X X XXX X
Shock occurs when select lever is moved
from“3”to“2”range.XXXXX
Shock occurs when select lever is moved
from“D”to“1”range.XXXXX
Shock occurs when select lever is moved
from“2”to“1”range.XXXXX
Shock occurs when accelerator pedal is
released at medium speeds.XXXXX
Vibration occurs during straight-forward
operation.XX
Select lever slips out of position during
acceleration or while driving on rough terrain.XX XX
Vibration occurs during turns (tight corner
“braking”phenomenon).XXX X X XX X
Front wheel slippage occurs during standing
starts.X X X X X X XXXX
Vehicle is not set in FWD mode. X XXX X
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70
3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
9. General Diagnostic Table

Page 2475 of 3342

Overrunning clutch
Drive pinion
Crown gear
Axle shaft
Differential gear
Final gear
Seal pipe
Oil pump
High clutch
Band brake
Low & reverse clutch
Reverse clutch
One-way clutch (1-2)
One-way clutch (3-4)
Double oil seal
Input shaft
Output shaft
Planetary gear
Reduction gear
Drive plate
Torque converter one-way clutch
Lock-up facing
Lock-up damper
ATF deterioration
ATF level too high or too low
Differential gear oil level too high or too low
Engine performance
Engine speed signal
Parking brake mechanism
Problem parts
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 Symptom
XEngine brake is not effected when select
lever is in“3”or“2”range.
XEngine brake is not effected when select
lever is in“1”range.
Shift characteristics are erroneous.
X X No lock-up occurs.
Vehicle cannot be set in“D”range power
mode.
“D”range power mode cannot be released.
X Parking brake is not effected.
XShift lever cannot be moved or is hard to
move from“P”range.
Select lever is hard to move.
Select lever is too light to move (unreason-
able resistance).
X ATF spurts out.
X Differential oil spurts out.
X X Differential oil level changes excessively.
X XXXX X XOdor is produced from oil supply pipe.
XXXShock occurs when select lever is moved
from“1”to“2”range.
XSlippage occurs when select lever is moved
from“1”to“2”range.
XX X XShock occurs when select lever is moved
from“2”to“3”range.
XXSlippage occurs when select lever is moved
from“2”to“3”range.
XX XXShock occurs when select lever is moved
from“3”to“4”range.
XSlippage occurs when select lever is moved
from“3”to“4”range.
XX XShock occurs when select lever is moved
from“3”to“2”range.
XShock occurs when select lever is moved
from“D”to“1”range.
XXShock occurs when select lever is moved
from“2”to“1”range.
XXShock occurs when accelerator pedal is
released at medium speeds.
XXVibration occurs during straight-forward
operation.
Select lever slips out of position during
acceleration or while driving on rough terrain.
XVibration occurs during turns (tight corner
“braking”phenomenon).
Front wheel slippage occurs during standing
starts.
Vehicle is not set in FWD mode.
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
71
3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
9. General Diagnostic Table

Page 2476 of 3342

SUBARU LEGACY 1997 Service Repair Manual 72
3-2AUTOMATIC TRANSMISSION AND DIFFERENTIAL
9. General Diagnostic Table

Page 2477 of 3342

SUBARU LEGACY 1997 Service Repair Manual 1. Supplemental Restraint System
“Airbag”
Airbag system wiring harness is routed near the ABS/TCS
control module, ABS sensor and hydraulic control unit.
CAUTION:
All Airbag system wiring harness

Page 2478 of 3342

Page 2479 of 3342

SUBARU LEGACY 1997 Service Repair Manual B: ELECTRICAL INSPECTION
1. WARNING LAMP ILLUMINATION PATTERN
B4M0372A
2. DISPLAY SYSTEM TYPE AND LIGHTING
CONDITIONS
: Illuminated
Mode
ABS warning
TCS warning
TCS OFF
TCS operating
Lighting conditi

Page 2480 of 3342

SUBARU LEGACY 1997 Service Repair Manual 3. Electrical Components Location
B4M0373A
1Hydraulic control unit

2Engine control module

3AT control module

4TCS warning light

5ABS warning light

6Diagnosis connector

7TCS operating indi

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