Subaru LEGACY 2003 Service Manual page 37

ENGINE MALFUNCTION INDICATOR LAMP (MIL)
E: CHECK ENGINE MALFUNCTION INDICATOR LAMP (MIL) DOES NOT BLINK
AT A CYCLE OF 3 Hz.
• DIAGNOSIS:
• The CHECK ENGINE malfunction indicator lamp (MIL) circuit is open or shorted.
• Test mode connector circuit is in open.
• TROUBLE SYMPTOM:
• When inspection mode, MIL does not blink at a cycle of 3 Hz.
• WIRING DIAGRAM:
IGNITION
RELAY
* 4
3
*
* 2
1
*
B157
3
5
COMBINATION
METER
i12
B75 B76
1
1
2
2
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
IGNITION
B72
SWITCH
4
FUSE &
RELAY
BOX
B : i5
D :
B152
i1
B36
A: B134
ECM
B: B135
B72 B152
i5
1 2
3 4
1 2 3 4 5
6 7 8 9 10 11 12
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
EN(H4SOw/oOBD)-35
No. 5
SBF-4
1
1 1 16
B75
B76 B22 E3
i12
1 2 3 4 5 6
7 8 9 10 11 12 13 14
B157
7 8
1 2
34 35 3 4 9 14 15 16 19
10 17 20
5 6
11 12 13 18 21 22 23
7 8
ENGINE (DIAGNOSTICS)
BATTERY
SBF-1
1 LHD : 9
*
RHD : 38
2 LHD : 13
*
RHD : 36
* 3 LHD : 11
RHD : 34
LHD : 10
* 4
RHD : 37
B22 B36
A1 A2
1 2 3 4 A3
B1 B2
5 6 7 8
B3
C2
9 10 11 12
D1 D2
13 14 15 16 C3
E1 E2
F1
G1
H1
I1
J1
24 25 26 29 34 35 36
K1
27 30 37
L2
L1
28 31 32 33 38 N3
M1 M2
N2
O3
O1 O2
P3
P1 P2
A4 A5 A6
B4 B5 B6
C4 C5 C6
D4 D5 D6
E4 E5 E6
F6
G6
H6
I6
J6
K6
L4 L5 L6
M4 M5 M6
N4 N5 N6
O4 O5 O6
P4 P5 P6
EN-01044