Subaru Impreza 2002 Service Manual page 3232

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WIRING DIAGRAM FOR NON-TURBO ENGINE MODEL:
F27
20A
20A
MAIN FAN
F66
RELAY
MAIN FAN
F29
F30
RELAY
AIR
F31
CONDITIONING
RELAY
COMPRESSOR
MAGNET
CLUTCH
F79
F16
F17
1 2
2 1
B:
B135
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
Step
1
CHECK FUSE.
1)Turn the ignition switch to OFF.
2)Remove the No. 2 fuse in main fuse box.
3)Check the condition of fuse.
DIAGNOSTICS FOR A/C SYSTEM FAILURE
3
4
1
2
26
28
27
25
18
20
19
17
10
1
2
9
PRESSURE
SWITCH
2
1
F79
2
1
3
F24
F24
B:
B283
1 2
3
1 2
3 4
5 6 7
11 12 13 14 15 16 17 18 19 20
F27
F28
F31
F29
F30
5 6
9
13 14
17
21 22
1
2
7
10
15
18
23
3
4
8
11 12
16
19 20
24
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS)
IGNITION
SWITCH
F/B No.17
F/B No.18
F45
B62
A:
B134
ENGINE
B:
B135
CONTROL
MODULE
B136
C:
F45
8 9 10
1 2
3 4
9 10 11 12 13 14 15 16 17 18
C:
B136
F66
1 2
3
25
29
8
9
10 11 12 13 14 15
26
30
21
22
23
24
25
26 27
27 28
Check
Is the fuse blown-out?
AC-27
SBF-4
SBF-1
AUTO A/C
A:
B282
CONTROL
B:
B283
MODULE
F45
RHD
1 2
3 4
5 6
5 6 7
8
12 13 14 15 16 17 18 19 20 21 22 23 24
A:
4 5
6
7
1 2
3 4
16
17
18
19 20
9
10 11 12 13 14 15
28 29
30
24
25
26 27 28 29
Yes
Replace the fuse.
Go to step 2.
BATTERY
MAIN FAN
MOTOR
2
1
F17
SUB FAN
MOTOR
2
1
F16
1
: LHD MODEL: 11
: RHD MODEL: 12
2
: LHD MODEL: 12
: RHD MODEL: 11
3
: LHD MODEL: 15
: RHD MODEL: 16
4
: LHD MODEL: 16
: RHD MODEL: 6
5
: LHD MODEL: 2
: RHD MODEL: 7
6
: LHD MODEL: 12
: RHD MODEL: 17
LHD
7
8 9 10 11
B134
5 6
7
8
16
17
18
19 20
21
22
23
30
31
32 33
34 35
HV0066
No

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