Subaru Impreza 2004 Service Manual page 21

• FOR RHD SOHC MODEL
AIR CONDITIONING RELAY HOLDER
20A
20A
MAIN FAN
RELAY
SUB FAN
RELAY
AIR
CONDITIONING
RELAY
COMPRESSOR
MAGNET
CLUTCH
F96
F79 F16
F17 1 2
2 1
3 4
1 2
B: B135
1 2 3 4 5 6
8 9 10 11 12 13 14 15 16 17 18
20 21 22 23 24 25 26 27 28
Diagnostics for A/C System Malfunction
3
4
1
2
31
34
32
30
21
24
22
20
11
12
14
10
F27
PRESSURE
SWITCH
2
1
F79
F24
B: B283
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
A:
B134
7 1 2 3 4
19
9 10 11 12 13 14 15 16 17
24 25 26 27 28 29 30
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
IGNITION
SWITCH
F/B No.17
F/B No.18
F96
B255
A: B134
B: B135
ECM
C:
B136
D:
B137
F45
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16 17 18
5 6 7 8
1 2
18 19 20 21 22 23
3 4
31 32 33 34 35
AC(diag)-19
SBF-4 SBF-1
F45
B60
A: AUTO A/C
B282
CONTROL
B: B283 MODULE
E
D: B137
1 2 3 4
1 2 3
5 6 7 8 9 10 11 12 13
7 8 9
14 15 16 17 18 19 20
18 19 20
F27
20
5 6 7 10 15 16 17 25 26 27
8 11 18 21 28
9 12 13 14 19 22 23 24 29
BATTERY
MAIN FAN
MOTOR
2
M
1
F17
SUB FAN
MOTOR
2
M
1
F16
: WITH OBD
WO
MODEL
: WITHOUT OBD
OO
MODEL
C: B136
4 5 6
10 11 12 13 14 15 16 17
21 22 23 24 25 26
30
35
31
36
32 33 34
AC-00986