Subaru Legacy 2004 Service Manual page 1335
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Also See for Legacy 2004:
- Service manual (878 pages) ,
- Owner's manual (525 pages) ,
- General service manual (144 pages)
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ENGINE (DIAGNOSTICS)
C: CHECK POWER SUPPLY AND GROUND LINE OF ENGINE CONTROL MOD-
ULE (ECM)
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4DOTC)(diag)-
30, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4DOTC)(diag)-28, PROCE-
DURE, Inspection Mode.>.
WIRING DIAGRAM:
MAIN RELAY
3
5
6
4
1
2
B47
B72
B47
1
1
2
3
3
4 5 6
5
B21
1 2 3 4
5 6 7 8
12 13 14 15
16 17 18 19
23 24 25 26 27 28 29 30 31 32 33
34
35
36
37
42
43
44 45
48
49
50
51
Diagnostics for Engine Starting Failure
TO FRONT OXYGEN(A/F) SENSOR
No.12
A:
B134
B:
B135
ECM
D:
B137
B21
E2
E
A:
B134
2
1
2
3
4
4
8
9
10
11 12 13 14 15
6
18 19 20 21
22 23
28
29
30 31
32
9 10 11
20 21 22
38
39
40
41
46
47
52
53
54
EN(H4DOTC)(diag)-46
IGNITION
B72
SWITCH
SBF-7
6
3
B:
5
6
7
1
2
3
16 17
8
9
10
11 12 13 14 15
24
25
26 27
20 21
22 23
33 34
28
29 30 31
SBF-6
SBF-8
No.13
BATTERY
SBF-1
B135
D:
1
2
4
5
6
7
8
9
10
16 17 18 19
18 19 20 21
24
25
26 27
26
27
32 33
34 35
E
B137
3
4
5
6
7
11 12 13 14 15
16 17
22 23
24 25
28 29
30 31
EN-02403
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