Subaru Impreza 2003 Service Manual page 818

DIAGNOSTICS FOR ENGINE STARTING FAILURE
ENGINE (DIAGNOSTICS)
C: ENGINE CONTROL MODULE (ECM) POWER SUPPLY AND GROUND LINE
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory and inspection modes. <Ref. to
EN(H4SOw/oOBD)-28, OPERATION, Clear Memory Mode.> and <Ref. to EN(H4SOw/oOBD)-26, OPER-
ATION, Inspection Mode.>
• WIRING DIAGRAM:
MAIN RELAY
6
4
5
3
2
1
B47
E
B72 B47
1 2
1 2 3 4
1 2
3 4
5 6 7 8
3 4
5 6
A: B134
1 2 3 4 5 6
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
No.11
ECM
A: B134
B: B135
C: B136
B22
E3
E
F44 B22
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
7 8
34 35
EN(H4SOw/oOBD)-42
B61 F44
LHD 2 LHD
IGNITION
B72
SWITCH
SBF-4
4 1
1 RHD AT MODEL : B6
MT MODEL : B25
B: B135
4 5 6 7
1 2 3
8 9 10 11 12 13 14 15 16 17 18 19
20 21 22 23 24 25 26 27 28
SBF-5
BATTERY
SBF-1
E
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
EN-01549