Subaru LEGACY 2004 Service Manual page 483

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
WIRING DIAGRAM:
ELECTRONIC
THROTTLE
CONTROL RELAY
B21
E2
B362
3
1 2
4
5
7 8
6
A: B134
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 32 33 34
B362
7
5
6
8
ECM
B134
A: C:
B138 :RHD
ELECTRONIC
E
THROTTLE CONTROL
E78
B83
B138
1 2 3 4
5 6 7 8
C: B136
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 32 33 34 35
EN(H4SO 2.0)(diag)-194
SBF-8
MAIN RELAY
B136 B137
D:
B83 :LHD
1
5
B20
E1
E
B21
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 32 33
34 35 36 37 38 39 40 41
42 43 44 45 46 47
48 49 50 51 52 53 54
BATTERY
E
7 :LHD
B83
3 B138 :RHD
B20
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
D: B137
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
E78
1 2 3
4 5 6
EN-02440