Subaru Legacy 2002 Service Manual page 1779

Automatic Transmission (Diagnostics)
2. SENSOR
S004507A1302
(1) Throttle position sensor
(2) Front vehicle speed sensor
(3) Inhibitor switch
ELECTRICAL COMPONENTS LOCATION
(4) Rear vehicle speed sensor
(5) Torque converter turbine speed
signal
AT-10
(6) ATF temperature sensor
B3M2143C