Subaru Legacy IV (2008 year). Service manual — part 1202
WI-60
Engine Electrical System
WIRING SYSTEM
WI-20980
E/G(TB)-13
E/G(TB)-13
B137
D:
B134
A:
B21
E2
B
D6
WL
D21
WG
D20
GY
D19
RY
D18
B
41
LW
ECM
E31
3
1
2
9
RY
LY
49
GR
BrW
LW
IGNITION
COIL No. 1
E32
3
1
2
20
GY
GY
LW
IGNITION
COIL No. 2
E33
3
1
2
31
WG
BrY
LW
IGNITION
COIL No. 3
E34
3
1
2
10
WL
Y
LW
IGNITION
COIL No. 4
E80
LEAK DIAGNOSIS
CONNECTOR
B
D26
E/G(TB)-01
A
A: B134
8
5
6
10 11 12 13 14 15
7
2
1
3
4
16
30
19 20
22
28 29
9
17
18
25
21
23 24
32
31
26 27
33 34
(BLACK)
E33
E31
(BLACK)
E34
E32
1
2
3
YL
A30
YL
45
L
Y
BrY
GY
LY
BrW
2
1
LW
L
BrW
BrW
BrW
(DARK GRAY)
E80
1 2
D: B137
8
5
6
10 11 12 13 14 15
7
2
1
3
4
16
30
19 20
22
28 29
9
17
18
25
21
23
24
31
26 27
(BLACK)
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
42
43
36
37
38
39
48
49
50
51
52
53
54
40
41
44
45
46
47
WI-61
Engine Electrical System
WIRING SYSTEM
WI-20981
E/G(TB)-14
E/G(TB)-14
B137
D:
B136
C:
B134
A:
B55
B:
B21
E2
YB
D7
YB
40
BL
C6
BR
BR
D1
BR
34
B
LR
D3
LR
37
B
BL
A5
BL
36
B
BW
D2
BW
35
B
ECM
BR
B
B
GE-1
B
B
B
BR
B
GB B11
TCM
E/G(TB)-05
K
E/G(TB)-06
Q
E/G(TB)-08
V
E/G(TB)-08
Y
E/G(TB)-09
b
E/G(TB)-06
O
D: B137
8
5
6
10 11 12 13 14 15
7
2
1
3
4
16
30
19 20
22
28 29
9
17
18
25
21
23
24
31
26 27
A: B134
8
5
6
10 11 12 13 14 15
7
2
1
3
4
16
30
19 20
22
28 29
9
17
18
25
21
23 24
32
31
26 27
33 34
BL
SB
SB
BL
BL
B122
JOINT
CONNECTOR
B122
3 4
5 6
1 2
7 8
*
1
*
1
BL
*
1
*
1
*
1
*
1
E/G(TB)-05
J
E/G(TB)-04
F
BL
*
1
AT
LgY
(GRAY)
B128
1 2
3 4
BL
C15
MT
MT
REF. TO
CRUISE CONTROL
SYSTEM [C/C(T6)-03]
: TERMINAL No. OPTIONAL
ARRANGEMENT
*
1
C: B136
16
10 11 12 13 14 15
25
24
30
9
8
7
17 18 19 20
28
21 22 23
29
32
31
1
2
3
4
5
6
27
26
33 34 35
3
1
B
LgY
2
B
1
T12
T2
T2
T12
T9
B128
B128
T9
NEUTRAL POSITION
SWITCH
(BROWN)
T12
1 2
BL
GB
B:
B55
5
6
7
2
1
3
4
29
10 11 12 13 14 15
25
24
16
30
9
8
17 18 19
20
28
21 22 23
32
31
26 27
33
34 35
(BLACK)
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
42
43
36
37
38
39
48
49
50
51
52
53
54
40
41
44
45
46
47
WI-62
Engine Electrical System
WIRING SYSTEM
3. 3.0 L MODEL
WI-20982
6
7
8
9
1
2
3
4
5
C20
C32
B19
C31
B5
B33
C10
ECM
C1
C21
C23
B2
D29
A7
A20
A10
A9
A8
BATTERY
M/B FUSE No.
11
SBF-7
SBF
SBF-5
SBF-8
SBF-6
STARTER
RELAY
INHIBITOR RELAY
IG 2
RELAY
IGNITION SWITCH
OFF
B
ACC
IG1
IG2
ACC ON ST
ST
MAIN
RELAY
ELECTRONIC
THROTTLE
CONTROL
RELAY
FUEL
PUMP
RELAY
FUEL PUMP
CONTROL UNIT
MAIN
RELAY 2
FUSE
(RELAY
BLOCK)
A21
A11
A22
B34
B35
B7
B6
B11
B10
B9
B8
C2
B26
MASS AIR FLOW &
INTAKE AIR TEMPERATURE SENSOR
EGR VALVE
CAMSHAFT POSITION SENSOR LH
PURGE CONTROL SOLENOID VALVE
C3
C5
B1
B15
B4
C4
C12
MAIN FUSE BOX (M/B)
GENERATOR
B18
TCM
D8
FUEL INJECTOR No. 1
D9
D10
D11
FUEL INJECTOR No. 2
FUEL INJECTOR No. 3
C17
DRAIN VALVE
C28
PRESSURE CONTROL SOLENOID VALVE
FUEL INJECTOR No. 4
D12
D13
FUEL INJECTOR No. 5
FUEL INJECTOR No. 6
CAMSHAFT POSITION SENSOR RH
FRONT OXYGEN (A/F) SENSOR RH
REAR OXYGEN SENSOR RH
REAR OXYGEN SENSOR LH
FRONT OXYGEN (A/F) SENSOR LH
RADIATOR FAN CONTROL UNIT
AUTO A/C CONTROL MODULE
A/C LOCK SENSOR (AUTO A/C)
A/C RELAY
FUEL TEMPERATURE SENSOR
BODY INTEGRATED UNIT (CAN COMMUNICATION)
BODY INTEGRATED UNIT (IMMOBILIZER)
C18
C29
C24
C33
C9
C27
B20
B28
B12
B24
C26
C34
C35
B17
CRUISE CONTROL SWITCH
PRESSURE SWITCH
MAIN FAN RELAY 1
STOP LIGHT & BRAKE SWITCH
(CRUISE CONTROL)
B14
FUEL TANK PRESSURE SENSOR
B32
B22
M/B FUSE No.
13
F/B FUSE No.
7
F/B FUSE No.
4
F/B FUSE No.
5
F/B FUSE No. 12
F/B FUSE No.
21
JOINT
CONNECTOR
FUEL PUMP
ASSY
(FUEL PUMP)
10
STARTER MOTOR
BLOWER SWITCH (MANUAL A/C)
B16
WI-63
Engine Electrical System
WIRING SYSTEM
WI-22092
A3
D2
D22
D23
C16
C25
D18
D19
D20
D21
C11
C22
A33
B27
C6
D6
D26
B23
B31
B21
B29
1
2
3
4
5
6
7
8
9
ACCELERATOR
PEDAL
POSITION
SENSOR
JOINT CONNECTOR
IGNITION COIL No. 1
CRANKSHAFT POSITION SENSOR
A13
A14
ENGINE GROUND
ECM
A18
A28
D4
D5
A19
A6
A29
A34
B30
D15
D14
D17
D16
D31
D30
ELECTRONIC THROTTLE CONTROL
A24
A15
A25
A16
A32
D1
MANIFOLD ABSOLUTE PRESSURE SENSOR
ENGINE COOLANT TEMPERATURE SENSOR
D25
D24
KNOCK SENSOR 2
D7
A5
OIL SWITCHING SOLENOID VALVE RH
DATA LINK CONNECTOR
DELIVERY (TEST)
MODE CONNECTOR
OIL TEMPERATURE SENSOR
A23
A31
D3
VVL DIAGNOSIS OIL PRESSURE SWITCH LH
VVL DIAGNOSIS OIL PRESSURE SWITCH RH
KNOCK SENSOR 1
OIL SWITCHING SOLENOID VALVE LH
OIL FLOW CONTROL SOLENOID VALVE RH
OIL FLOW CONTROL SOLENOID VALVE LH
IGNITION COIL No. 2
IGNITION COIL No. 3
IGNITION COIL No. 4
IGNITION COIL No. 5
IGNITION COIL No. 6
VDC (CAN
COMMUNICATION)
10
DRIVE
CIRCUIT
LCD
FULL DO
T
COMBINATION METER
MALFUNCTION
INDICATOR LIGHT
OIL PRESSURE
WARNING LIGHT
POWER
SUPPLY
CIRCUIT
I/F
I/F
BODY
INTEGRATED
UNIT
(CAN
COMMUNICATION)
SI-DRIVE
SELECTOR
(CONSOLE)
CAN
TRANSCEIVER
& RECEIVER
TACHO-
METER
ENGINE
COOLANT
TEMPERATURE
GAUGE
DRIVE CIRCUIT
S# PROHIBITION
INDICATOR
I/F
MICR
O COMPUTER
SI-DRIVE
SWITCH
(STEERING/S#)
I/F
OIL
PRESSURE
SWITCH
POWER
STEERING
OIL
PRESSURE
SWITCH
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