Subaru Impreza 2003 Service Manual page 708

FUEL INJECTION (FUEL SYSTEMS)
8. Throttle Position Sensor
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Disconnect the connector from throttle position
sensor.
3) Remove the throttle position sensor holding
screws, and remove it.
THROTTLE POSITION SENSOR
FU-00009
FU-00289
FU-00290
FU(H4SOw/oOBD)-32
B: INSTALLATION
Install in the reverse order of removal.
NOTE:
For tightening torque, refer to "COMPONENT".
<Ref. to FU(H4SOw/oOBD)-3, COMPONENT,
General Description.>
CAUTION:
When installing the throttle position sensor, ad-
just to specified data.