shift 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 1889 of 2890
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
Hold 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.
Shift characteristics are erroneous.
No lock-up occurs.
Vehicle cannot be set in“D”range power
mode.
“D”range power mode cannot be released.
Parking brake is not effected.
Shift 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).
ATF spurts out.
Differential oil spurts out.
Differential oil level changes excessively.
Odor is produced from oil supply pipe.
Shock occurs when select lever is moved
from“1”to“2”range.
Slippage occurs when select lever is moved
from“1”to“2”range.
Shock occurs when select lever is moved
from“2”to“3”range.
Slippage occurs when select lever is moved
from“2”to“3”range.
Shock occurs when select lever is moved
from“3”to“4”range.
Slippage occurs when select lever is moved
from“3”to“4”range.
Shock occurs when select lever is moved
from“3”to“2”range.
Shock occurs when select lever is moved
from“D”to“1”range.
Shock occurs when select lever is moved
from“2”to“1”range.
Shock occurs when accelerator pedal is
released at medium speeds.
Vibration occurs during straight-forward
operation.
Select lever slips out of position during
acceleration or while driving on rough terrain.
Vibration occurs during turns (tight corner
“braking”phenomenon).
Front wheel slippage occurs during standing
starts.
Vehicle is not set in FWD mode.
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121
2-7ON-BOARD DIAGNOSTICS II SYSTEM
9. General Diagnostics Table
Page 1890 of 2890
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
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.
Shift characteristics are erroneous.
No lock-up occurs.
Vehicle cannot be set in“D”range power
mode.
“D”range power mode cannot be released.
Parking brake is not effected.
Shift 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).
ATF spurts out.
Differential oil spurts out.
Differential oil level changes excessively.
Odor is produced from oil supply pipe.
Shock occurs when select lever is moved
from“1”to“2”range.
Slippage occurs when select lever is moved
from“1”to“2”range.
Shock occurs when select lever is moved
from“2”to“3”range.
Slippage occurs when select lever is moved
from“2”to“3”range.
Shock occurs when select lever is moved
from“3”to“4”range.
Slippage occurs when select lever is moved
from“3”to“4”range.
Shock occurs when select lever is moved
from“3”to“2”range.
Shock occurs when select lever is moved
from“D”to“1”range.
Shock occurs when select lever is moved
from“2”to“1”range.
Shock occurs when accelerator pedal is
released at medium speeds.
Vibration occurs during straight-forward
operation.
Select lever slips out of position during
acceleration or while driving on rough terrain.
Vibration 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
122
2-7ON-BOARD DIAGNOSTICS II SYSTEM
9. General Diagnostics Table
Page 1892 of 2890
DTC
No.Abbreviation
(Subaru select monitor)Item Page
P0500 VSP Vehicle speed sensor malfunction 266
P0505 ISC Idle control system malfunction 269
P0506 ISC
—L Idle control system RPM lower than expected 276
P0507 ISC
—H Idle control system RPM higher than expected 277
P0600—Serial communication link malfunction 278
P0601 RAM Internal control module memory check sum error 281
P0703 ATBRK Brake switch input malfunction 283
P0705 ATRNG Transmission range sensor circuit malfunction 286
P0710 ATF Transmission fluid temperature sensor circuit malfunction 293
P0720 ATVSP Output speed sensor (vehicle speed sensor 1) circuit malfunction 294
P0725 ATNE Engine speed input circuit malfunction 295
P0731 ATGR1 Gear 1 incorrect ratio
296 P0732 ATGR2 Gear 2 incorrect ratio
P0733 ATGR3 Gear 3 incorrect ratio
P0734 ATGR4 Gear 4 incorrect ratio
P0740 ATLU
—F Torque converter clutch system malfunction 300
P0743 ATLU Torque converter clutch system electrical 304
P0748 ATPL Pressure control solenoid electrical 305
P0753 ATSFT1 Shift solenoid A electrical 306
P0758 ATSFT2 Shift solenoid B electrical 307
P0760 ATOVR
—F Shift solenoid C malfunction 308
P0763 ATOVR Shift solenoid C electrical 312
P1100 ST
—SW Starter switch circuit malfunction 313
P1101 N/P
—SW Neutral position switch circuit malfunction [MT vehicles] 315
P1101 N/P
—SW Neutral position switch circuit malfunction [AT vehicles] 318
P1102 BR Pressure sources switching solenoid valve circuit malfunction 322
P1103 TRQ Engine torque control signal circuit malfunction 328
P1400 PCVSOL Fuel tank pressure control solenoid valve circuit malfunction 331
P1401 PCV
—F Fuel tank pressure control system function problem 337
P1402 FLVL Fuel level sensor circuit malfunction 339
P1500 FAN
—1 Radiator fan relay 1 circuit malfunction 351
P1502 FAN
—F Radiator fan function problem 358
P1700 ATTH Throttle position sensor circuit malfunction for automatic transmission 361
P1701 ATCRS Cruise control set signal circuit malfunction for automatic transmission 362
P1702 ATDIAG Automatic transmission diagnosis input signal circuit malfunction 365
P0461*1 EXERR22 Fuel level sensor circuit range/performance problem 368
*1: Only OBD-II general scan tool displays DTC.
124
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code
Page 2054 of 2890
B2M0656
AT: DTC P0705
—TRANSMISSION RANGE SENSOR CIRCUIT
MALFUNCTION (ATRNG)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
Starter does not rotate when selector lever is in“P”or
“N”range.
Starter rotates when selector lever is in“R”,“D”,“3”,“2”
or“1”range.
Engine brake is not effected when selector lever is in“3”
range.
Shift characteristics are erroneous.
10AT1Check harness between TCM and inhibitor
switch connector.
10AT2Check inhibitor switch.
10AT3Check input signal for TCM.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
286
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code
Page 2061 of 2890
OBD0380
AU: DTC P0710
—TRANSMISSION FLUID TEMPERATURE
SENSOR CIRCUIT MALFUNCTION (ATF)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
No shift up to 4th speed (after engine warm-up)
No lock-up (after engine warm-up)
Excessive shift shock
10AU1Check DTC P0710 on display.
Check ATF temperature sensor circuit.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
WIRING DIAGRAM:
OBD0383
10AU1
CHECK DTC P0710 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0710?
: Check ATF temperature sensor circuit.
NOTE:
For the diagnostic procedure on transmission fluid tem-
perature sensor circuit, refer to 3-2 [T7F0].
293
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code
Page 2062 of 2890
OBD0392
AV: DTC P0720
—OUTPUT SPEED SENSOR (VEHICLE
SPEED SENSOR 1) CIRCUIT MALFUNCTION
(ATVSP)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
No shift or excessive tight corner“braking”
10AV1Check DTC P0720 on display.
Check vehicle speed sensor 1 circuit.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
WIRING DIAGRAM:
B2M0584
10AV1
CHECK DTC P0720 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0720?
: Check vehicle speed sensor 1 circuit.
NOTE:
For the diagnostic procedure on vehicle speed sensor 1
circuit, refer to 3-2 [T7L0].
294
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code
Page 2064 of 2890
B2M0657
AX: DTC P0731
—GEAR 1 INCORRECT RATIO (ATGR1)—
B2M0658
AY: DTC P0732
—GEAR 2 INCORRECT RATIO (ATGR2)—
B2M0659
AZ: DTC P0733
—GEAR 3 INCORRECT RATIO (ATGR3)—
B2M0660
BA: DTC P0734
—GEAR 4 INCORRECT RATIO (ATGR4)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
Shift point too high or too low; engine brake not effected
in“3”range; excessive shift shock; excessive tight corner
“braking”
296
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code
Page 2068 of 2890
B2M0661
BB: DTC P0740
—TORQUE CONVERTER CLUTCH SYSTEM
MALFUNCTION (ATLU
—F)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
No lock-up (after engine warm-up)
No shift or excessive tight corner“braking”
10BB1Check any other DTC (besides DTC P0740) on
display.
10BB2Check duty solenoid B circuit.
10BB3Check throttle position sensor circuit.
10BB4Check vehicle speed sensor 1 circuit.
10BB5Check vehicle speed sensor 2 circuit.
10BB6Check engine speed input circuit.
10BB7Check inhibitor switch circuit.
10BB8Check brake light switch circuit.
10BB9Check ATF temperature sensor circuit.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
300
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code
Page 2073 of 2890
B2M0663
BD: DTC P0748
—PRESSURE CONTROL SOLENOID (DUTY
SOLENOID A) ELECTRICAL (ATPL)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
Excessive shift shock
10BD1Check DTC P0748 on display.
Check duty solenoid A circuit.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
WIRING DIAGRAM:
OBD0424
10BD1
CHECK DTC P0748 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0748?
: Check duty solenoid A circuit.
NOTE:
For the diagnostic procedure on duty solenoid A circuit,
refer to 3-2 [T7A0].
305
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code
Page 2074 of 2890
B2M0664
BE: DTC P0753
—SHIFT SOLENOID A (SHIFT SOLENOID 1)
ELECTRICAL (ATSFT1)—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
No shift
10BE1Check DTC P0753 on display.
Check shift solenoid 1 circuit.
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
WIRING DIAGRAM:
OBD0436
10BE1
CHECK DTC P0753 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0753?
: Check shift solenoid 1 circuit.
NOTE:
For the diagnostic procedure on shift solenoid 1 circuit,
refer to 3-2 [T7E0].
306
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostics Chart with Trouble Code