Subaru Legacy 2003 Service Manual page 4247

WIRING SYSTEM
F
E/G(RH4)-03
OXYGEN SENSOR
(DARK BROWN)
B155 E13
1 2 3 1 2 3 4
ENGINE ELECTRICAL SYSTEM
C: B136
6 BW RG
4
SB RY
5 BL
B83
B18
B18 B83
1 2 3 4 5 6 7 8 9 10 11 12
2 1
4 3
WI-192
ENGINE CONTROL MODULE
B155
CO RESISTOR
(LIGHT GRAY)
B21
1 2 3 4
5 6 7
9 10 11 12
13 14 15
17 18 19 20
B21
E2
J
K
L
M
E13
THROTTLE POSITION
SENSOR
C:
B136
1 2 3
8 9 10 11 12 13 14 15
8
21 22 23 24 25
16
E/G(RH4)-07
E/G(RH4)-07
E/G(RH4)-06
E/G(RH4)-06
4 5 6 7
16 17 18 19 20
26 27 28 29 30
WI-00905