Subaru Legacy 2004 Service Manual page 3432

HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
C: COMPARTMENT TEMPERATURE DOES NOT CHANGE, OR A/C SYSTEM
DOES NOT RESPOND PROMPTLY.
WIRING DIAGRAM:
F/B No.22
B360
THROUGH JOINT
CONNECTOR
F109
MAGNET
CLUTCH
F24
E
A: B282 F24
1 2 3 4
1 2 3 4 5 6 7 8
1 2
10 11 12 13 14 15 16 17 18 19 20
9 10 11 12 13 14 15 16
F108
1 2 3 4 5 6 7 8 1 2 3
9 10 11 12 13 14 15 16 17 18 8 9 10
D: B137
1 2 3 4 5 6
7
8 9 10 11 12 13 14 15 16 17
18 19 20 21 22 23 24 25
26 27 28 29 30 31
Diagnostics for A/C System Malfunction
IGNITION SWITCH
SBF-7
B361
THROUGH JOINT
CONNECTOR
F108
A/C RELAY
F27
MAIN FUSE BOX
A: F37
B: B143
C: F35
MAIN FUSE BOX
A: F37
B: B143
C: F35
E
A: F37 C:
5 6 7 8 9 1 2
6 7 8 9 10 11 12
F109
B360
4 5 6 7 1 2 3 4 5
11 12 13 14 15 16 12 13 14 15 16 17 18 19 20 21 22 23 24
B: B135
1 2 3 4 5 6
7
8 9 10 11 12 13 14 15 16 17
18 19
17
20 21 22 23 24 25 26 27
28 29 30 31 32 33 34 35 28
AC(diag)-20
BATTERY
SBF-1
PRESSURE
SWITCH
B10
B282
A:
AUTO A/C
CONTROL MODULE
B: B283
B: B143
F35
3 4 5 1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20
B283
B:
6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
C: B136 B10
1 2 3 4 5 6
7 8 9 10 11 12 13 14 15 16
3
18 19 20 21 22 23 24 25 26 27
29 30 31 32 33 34 35
B33 B35
B: B135
C: B136
ECM
C30 C8
D17 B20
D: B137
ND HU
ND : 2.0 L TURBO MODEL, 3.0 L MODEL
AND 2.5 L EC, K4, EK MODEL
HU : 2.0 L NA MODEL
AND 2.5 L KS, KA MODEL
E
B361
1 2 3 4 5 6
7 8 9 10 11 12 13 14
8 9 10
18 19
24 25
26
22
20 21
27
23
1
4
2
F27
1
2 4 5
6
3
11 13
7
14 16 17
12 15
30
29 28
31
AC-00905