1996 SUBARU LEGACY Service Repair Manual

Page 2065 of 2890

SUBARU LEGACY 1996  Service Repair Manual 10BA1Check any other DTC (besides DTC P0731,
P0732, P0733, P0734) on display.
10BA2Check throttle position sensor circuit. <Ref. to
3-2 [T7K0].>
10BA3Check vehicle speed sensor 1 circuit. <Ref. to
3-2

Page 2066 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
B2M0586
10BA1CHECK 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 T

Page 2067 of 2890

SUBARU LEGACY 1996  Service Repair Manual 10BA2CHECK THROTTLE POSITION SENSOR
CIRCUIT.
: Is there any trouble in throttle position sen-
sor circuit?
NOTE:
For the diagnostic procedure on throttle position sensor
circuit, refer to 3-2 [T7K0].

Page 2068 of 2890

SUBARU LEGACY 1996  Service Repair Manual 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 sh

Page 2069 of 2890

SUBARU LEGACY 1996  Service Repair Manual WIRING DIAGRAM:
B2M0587
10BB1CHECK ANY OTHER DTC (BESIDES DTC
P0740) ON DISPLAY.
: Is there any other DTC on display?
: Inspect the relevant DTC using“10. Diagnostics
Chart with Trouble Code, 2-7 [T

Page 2070 of 2890

SUBARU LEGACY 1996  Service Repair Manual 10BB2
CHECK DUTY SOLENOID B CIRCUIT.
: Is there any trouble in duty solenoid B cir-
cuit?
NOTE:
For the diagnostic procedure on duty solenoid B circuit,
refer to 3-2 [T7B0].
: Repair or replace duty s

Page 2071 of 2890

SUBARU LEGACY 1996  Service Repair Manual 10BB7
CHECK INHIBITOR SWITCH CIRCUIT.
: Is there any trouble in inhibitor switch cir-
cuit?
NOTE:
For the diagnostic procedure on inhibitor switch circuit,
refer to 2-7 [T10AT0].
: Repair or replace i

Page 2072 of 2890

SUBARU LEGACY 1996  Service Repair Manual B2M0662
BC: DTC P0743
—TORQUE CONVERTER CLUTCH SYSTEM
(DUTY SOLENOID B) ELECTRICAL (ATLU)
—
DTC DETECTING CONDITION:
Two consecutive trips with fault
TROUBLE SYMPTOM:
No lock-up (after engine wa