Subaru Impreza 2003 Service Manual page 2779

DIAGNOSTICS FOR A/C SYSTEM MALFUNCTION
WIRING DIAGRAM:
• FOR RHD DOHC TURBO MODEL
AIR CONDITIONING RELAY HOLDER
30A
30A
MAIN FAN
RELAY-1
MAIN FAN
RELAY-2
SUBFAN
RELAY-1
SUBFAN
RELAY-2
AIR
CONDITIONING
RELAY
COMPRESSOR
MAGNET
CLUTCH
F79
1 2
5 6 9 13 14
1 2
7 10
3 4
8 11 12
3
4
1
2
26
28
27
25
23
21
22
24
7
5
6
8
18
20
19
17
10
11
12
9
PRESSURE
SWITCH
F27
2
1
F79
F24
F16
F17 F96
1 2
3 4
F27
17 21 22 25
29
15 18 23 26
30
16 19 20 24 27 28
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
IGNITION
SWITCH
F/B No.17
F/B No.18
F96
B255
A: B134 A:
ECM
E: B84 B:
B:
B283
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
A: B134
1 2 3 4 5 6 7
8 9 10 11 12 13 14 15
16 17 18 19 20 21 22
AC-17
BATTERY
SBF-4 SBF-1
F17
F16
F45
B60
AUTO A/C
B282
CONTROL
E
B283 MODULE
F45
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16 17 18
E:
B84
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
MAIN FAN
MOTOR
1
M
2
3
4
SUB FAN
MOTOR
1
M
2
3
4
AC-00672