Subaru Legacy 2004 Service Manual page 1422

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
WIRING DIAGRAM:
SBF-1
E
E31
E32
1 2 3 4
E33
12 13 14 15
23 24 25 26 27 28 29 30 31 32 33
E34
34
1 42
2
48
3
IGNITION
SWITCH
SBF-7
3 6
B72
B21
5 6 7 8 9 10 11
16 17 18 19 20 21 22
35 36 37 38 39 40 41
43 44 45 46 47
49 50 51 52 53 54
EN(H4DOTC)(diag)-133
No.12
B21
E2
E31
IGNITION COIL IGNITION COIL
No.1 No.2
B72 B135
1 2 3 4
1 2 3
8 9 10 11 12 13 14 15
4 5 6
20 21 22 23 24
28 29 30 31 32 33
ENGINE (DIAGNOSTICS)
B135 ECM
E32 E33
IGNITION COIL IGNITION COIL
No.3 No.4
5 6 7
16 17 18 19
25 26 27
34 35
E34
E
EN-02404