Subaru Legacy 2003 Service Manual page 3493

DIAGNOSTICS FOR A/C SYSTEM FAILURE (LHD MODEL)
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
7. Diagnostics for A/C System Failure (LHD Model)
A: A/C AND/OR SELF-DIAGNOSIS SYSTEMS DO NOT OPERATE
TROUBLE SYMPTOM:
• "Set" temperature is not indicated on display, switch LEDs are faulty and switches do not operate.
• Self-diagnosis system does not operate.
WIRING DIAGRAM:
A: i48 B: i49
A: i48
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
IGNITION
SWITCH
NO. 17
NO. 4
NO. 2
B: i49
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
AC-20
SBF-1
SBF-4 100A
i28
BATTERY
AC-00318