Subaru impreza 2004 Quick Reference Manual page 9

4. IMMOBILIZER SYSTEM
(1)
(3)
(1) Antenna
(2) Immobilizer indicator light (LED
bulb)
NOTE:
IMM ECM location for RHD model is symmetrically opposite.
General Description
(3) Immobilizer control module (IMM
ECM)
SL-7
(2)
(4) Transponder
SECURITY AND LOCKS
(4)
SL-00175