Subaru 2002 IMPREZA Service Manual page 734

FUEL INJECTION (FUEL SYSTEMS)
2. AIR INTAKE SYSTEM
(1) Gasket
(2) Throttle position sensor
(3) Idle air control solenoid valve
GENERAL DESCRIPTION
(4) Throttle body
FU(w/oOBD)-6
Tightening torque: N·m (kgf-m, ft-lb)
T1: 1.6 (0.16, 1.2)
T2: 22 (2.2, 16.2)
B2M3455C