Subaru Impreza 2003 Service Manual page 3256

CRUISE CONTROL SYSTEM (DIAGNOSTICS)
B: CHECK POWER SUPPLY
TROUBLE SYMPTOM:
Cruise control can be set, but indicator does not come on. (When main switch is pressed.)
WIRING DIAGRAM:
BATTERY
B161
1 2
1 2 3 4 5 6 7 8 9 10
3 6
4 5
11 12 13 14 15 16 17 18 19 20
DIAGNOSTIC PROCEDURE WITH SYMPTOM
SBF-4
CRUISE CONTROL
MAIN SWITCH
B161
CRUISE CONTROL MODULE
B94
B94
IGNITION
SWITCH
F/B No.18
CC-12
E
CC-00173