Subaru 2002 IMPREZA Service Manual page 1596

AUTOMATIC TRANSMISSION (DIAGNOSTICS)
2. SENSOR
(1) Throttle position sensor
(2) Front vehicle speed sensor
(3) Inhibitor switch
ELECTRICAL COMPONENTS LOCATION
(1)
(4) Rear vehicle speed sensor
(5) Torque converter turbine speed
sensor
(3) (6)
(5) (2) (4)
AT-10
(6) ATF temperature sensor
TR0385