Subaru Impreza 2003 Service Manual page 2748

CONTROL UNIT
HVAC SYSTEM (HEATER, VENTILATOR AND A/C)
11.Control Unit
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the center console panel.
3) Disconnect the connector and aspirator hose
(A).
(A)
AC-00624
B: INSTALLATION
Install in the reverse order of removal.
AC-30