1997 SUBARU LEGACY wiring diagram

OBD0380
BJ: DTC P0710
—TRANSMISSION FLUID TEMPERATURE
SENSOR CIRCUIT MALFUNCTION—
DTC DETECTING CONDITION:

Two consecutive driving cycles with fault
TROUBLE SYMPTOM:

No shift up to 4th speed (after engine warm-up)

No lock-up (after engine warm-up)

Excessive shift shock
WIRING DIAGRAM:
OBD0383
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

10BJ1
CHECK DTC P0710 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0710?
: Check ATF temperature sensor circuit. 3-2 [T7F0].>
: It is not necessary to inspect DTC P0710.
311
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostic Chart with Trouble Code for LHD Vehicles

OBD0392
BK: DTC P0720
—OUTPUT SPEED SENSOR (VEHICLE
SPEED SENSOR 1) CIRCUIT MALFUNCTION
—
DTC DETECTING CONDITION:

Two consecutive driving cycles with fault
TROUBLE SYMPTOM:

No shift or excessive tight corner“braking”
WIRING DIAGRAM:
B2M0584
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

10BK1
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. [T7L0].>
: It is not necessary to inspect DTC P0720.
312
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostic Chart with Trouble Code for LHD Vehicles

OBD0404
BL: DTC P0725
—ENGINE SPEED INPUT CIRCUIT
MALFUNCTION—
DTC DETECTING CONDITION:

Two consecutive driving cycles with fault
TROUBLE SYMPTOM:

No lock-up (after engine warm-up)

AT diagnostic indicator light (AT OIL TEMP indicator
light) remains on when vehicle speed is“0”.
WIRING DIAGRAM:
B2M0585
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

10BL1
CHECK DTC P0725 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0725?
: Check engine speed input signal circuit. 3-2 [T7H0].>
: It is not necessary to inspect DTC P0725.
313
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostic Chart with Trouble Code for LHD Vehicles

WIRING DIAGRAM:
B2M1287
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

10BP1CHECK ANY OTHER DTC (BESIDES DTC
P0731, P0732, P0733, P0734) ON DIS-
PLAY.
: Is there any other DTC on display?
: Inspect relevant DTC using“10. Diagnostics Chart
with Trouble Code”.
: Go to step10BP2.
315
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostic Chart with Trouble Code for LHD Vehicles

B2M0661
BQ: DTC P0740
—TORQUE CONVERTER CLUTCH SYSTEM
MALFUNCTION—
DTC DETECTING CONDITION:

Two consecutive driving cycles with fault
TROUBLE SYMPTOM:

No lock-up (after engine warm-up)

No shift or excessive tight corner“braking”
WIRING DIAGRAM:
B2M1109
317
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostic Chart with Trouble Code for LHD Vehicles

B2M0662
BR: DTC P0743
—TORQUE CONVERTER CLUTCH SYSTEM
(DUTY SOLENOID B) ELECTRICAL—
DTC DETECTING CONDITION:

Two consecutive driving cycles with fault
TROUBLE SYMPTOM:

No lock-up (after engine warm-up)
WIRING DIAGRAM:
OBD0413
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

10BR1
CHECK DTC P0743 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0743?
: Check duty solenoid B circuit. [T7B0].>
: It is not necessary to inspect DTC P0743.
321
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostic Chart with Trouble Code for LHD Vehicles

B2M0663
BS: DTC P0748
—PRESSURE CONTROL SOLENOID (DUTY
SOLENOID A) ELECTRICAL—
DTC DETECTING CONDITION:

Two consecutive driving cycles with fault
TROUBLE SYMPTOM:

Excessive shift shock
WIRING DIAGRAM:
OBD0424
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

10BS1
CHECK DTC P0748 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0748?
: Check duty solenoid A circuit. [T7A0].>
: It is not necessary to inspect DTC P0748.
322
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostic Chart with Trouble Code for LHD Vehicles

B2M0664
BT: DTC P0753
—SHIFT SOLENOID A (SHIFT SOLENOID 1)
ELECTRICAL—
DTC DETECTING CONDITION:

Two consecutive driving cycles with fault
TROUBLE SYMPTOM:

No shift
WIRING DIAGRAM:
OBD0436
CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.

10BT1
CHECK DTC P0753 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0753?
: Check shift solenoid 1 circuit. [T7E0].>
: It is not necessary to inspect DTC P0753.
323
2-7ON-BOARD DIAGNOSTICS II SYSTEM
10. Diagnostic Chart with Trouble Code for LHD Vehicles