Page 1538 of 2453

EN(H6DO)(diag)-377
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
EA:DTC P2127 THROTTLE/PEDAL POSITION SENSOR/SWITCH “E” CIRCUIT
LOW INPUT
DTC DETECTING CONDITION:
•Immediately at fault recognition
•GENERAL DESCRIPTION
SOR/ SWITCH “E” CIRCUIT LOW INPUT, Diagnostic Trouble Code (DTC) Detecting Criteria.>
TROUBLE SYMPTOM:
•Erroneous idling
•Poor driving performance
WIRING DIAGRAM:
EN-03741
E
ECM
A:B134
B137D:
B424
B315
ACCELERATORPOSITIONSENSOR
**
465132
B21B23B29B22B31B30
A3D2
B21
E2
A5
MAIN SUB
B21
123412131415567816171819910 1120212223 24 25 2627 28 29 3031 32 33
3534 37363938 41404342 4445 47464948 51505352 54
B135
567821943102422 23 2511 12 13 14 1526 2728
16 17 18 1920 2129 30 31 32 33 34 35
B:
B137
5678219431022 2311 12 13 14 1524 2526
16 1718 19 20 2127 28 29 30 31
D:
12345678
B122
B424
D1D7
C6
B:B135
D3
3734355236
B122
B315
123456
**
*: TERMINAL NO. OPTIONAL ARRANGEMENT
B134
85610 11 12 13 14 157213416
3019 20 2228 29
91718252123 24323126 2733 34
A:
Page 1541 of 2453

EN(H6DO)(diag)-380
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
EB:DTC P2128 THROTTLE/PEDAL POSITION SENSOR/SWITCH “E” CIRCUIT
HIGH INPUT
DTC DETECTING CONDITION:
•Immediately at fault recognition
•GENERAL DESCRIPTION
SOR/ SWITCH “E” CIRCUIT HIGH INPUT, Diagnostic Trouble Code (DTC) Detecting Criteria.>
TROUBLE SYMPTOM:
•Erroneous idling
•Poor driving performance
WIRING DIAGRAM:
EN-03741
E
ECM
A:B134
B137D:
B424
B315
ACCELERATORPOSITIONSENSOR
**
465132
B21B23B29B22B31B30
A3D2
B21
E2
A5
MAIN SUB
B21
123412131415567816171819910 1120212223 24 25 2627 28 29 3031 32 33
3534 37363938 41404342 4445 47464948 51505352 54
B135
567821943102422 23 2511 12 13 14 1526 2728
16 17 18 1920 2129 30 31 32 33 34 35
B:
B137
5678219431022 2311 12 13 14 1524 2526
16 1718 19 20 2127 28 29 30 31
D:
12345678
B122
B424
D1D7
C6
B:B135
D3
3734355236
B122
B315
123456
**
*: TERMINAL NO. OPTIONAL ARRANGEMENT
B134
85610 11 12 13 14 157213416
3019 20 2228 29
91718252123 24323126 2733 34
A:
Page 1543 of 2453

EN(H6DO)(diag)-382
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
EC:DTC P2135 THROTTLE/PEDAL POSITION SENSOR/SWITCH “A”/“B” VOLT-
AGE RATIONALITY
DTC DETECTING CONDITION:
•Immediately at fault recognition
•GENERAL DESCRIPTION
SOR/ SWITCH “A”/“B” VOLTAGE RATIONALITY, Diagnostic Trouble Code (DTC) Detecting Criteria.>
TROUBLE SYMPTOM:
•Erroneous idling
•Poor driving performance
WIRING DIAGRAM:
EN-03739
SBF-7
B134A:B137B136D:
B362
E1
B20
C:E
EE
C1C21
38392019
1615
*
*
E2
B21
E57
461235
D4D5A29A19A5D3D7A3D2D1
3536375234
A28A18C6
ECM
57
86
B362
12
78
34
56
B21
12345678910 1112 1314 1516 1718 1920 21222324 25
34 35 36 37 38 39 40 41
48 49 50 51 52 53 5442 43 44 45 46 47
26 2728 2930 313233
B122
12345678
1289563410 11 121920 2129 3031
13 14 15161727281822 2324 25 267
32 3334 35
B136C:
12789563410 11 121920 2129 30 31
13 14 151617
27 281822 23 24 2526
B137D:
BATTERY
MAIN RELAY
ELECTRONICTHROTTLECONTROL RELAY
ELECTRONICTHROTTLE CONTROL
B20
1234567891011 121314 15 16
E57
123456
B122
*: TERMINAL NO. OPTIONAL ARRANGEMENT
A:B134
85610 11 12 13 14 157213416
3019 20 2228 29
91718252123 24323126 2733 34
Page 1547 of 2453

EN(H6DO)(diag)-386
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
ED:DTC P2138 THROTTLE/PEDAL POSITION SENSOR/SWITCH “D”/“E” VOLT-
AGE RATIONALITY
DTC DETECTING CONDITION:
•Immediately at fault recognition
•GENERAL DESCRIPTION
SOR/ SWITCH “D”/“E” VOLTAGE RATIONALITY, Diagnostic Trouble Code (DTC) Detecting Criteria.>
TROUBLE SYMPTOM:
•Erroneous idling
•Poor driving performance
WIRING DIAGRAM:
EN-03741
E
ECM
A:B134
B137D:
B424
B315
ACCELERATORPOSITIONSENSOR
**
465132
B21B23B29B22B31B30
A3D2
B21
E2
A5
MAIN SUB
B21
123412131415567816171819910 1120212223 24 25 2627 28 29 3031 32 33
3534 37363938 41404342 4445 47464948 51505352 54
B135
567821943102422 23 2511 12 13 14 1526 2728
16 17 18 1920 2129 30 31 32 33 34 35
B:
B137
5678219431022 2311 12 13 14 1524 2526
16 1718 19 20 2127 28 29 30 31
D:
12345678
B122
B424
D1D7
C6
B:B135
D3
3734355236
B122
B315
123456
**
*: TERMINAL NO. OPTIONAL ARRANGEMENT
B134
85610 11 12 13 14 157213416
3019 20 2228 29
91718252123 24323126 2733 34
A:
Page 2208 of 2453
5AT(diag)-91
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
AC:DTC P0817 STARTER DISABLE CIRCUIT
DTC DETECTING CONDITION:
Open or short in P/N signal output circuit
TROUBLE SYMPTOM:
•Engine can be started on other than “P” or “N” range
•Engine can not be started on “P” or “N” range.
WIRING DIAGRAM:
AT-03288
B136
B55
31
19
ECM
TCM
B55
12341011 121920 21135614 1578916 17 1822 23 24
B136
16101112131415252430
9871718192028212223293231
123456
2726333435
Step Check Yes No
1CHECK DTC OF TCM.Is DTC of Transmission Range
Sensor Circuit (PRNDL Input)
detected?
Pe r for m t h e d ia g -
nosis according to
DTC.
Go to step 2.
2CHECK ECM.Is the communication between
Subaru Select Monitor and
ECM normal?
Go to step 3.Perform the diag-
nosis according to
DTC concerning
ECM.
Page 2316 of 2453

WI-32
Engine Electrical System
WIRING SYSTEM
5. Engine Electrical System
A: WIRING DIAGRAM
WI-08039
678
1
2
3
4
5
C20
C32
C31
B5B19
B33
A33
C10
ECMC1B25C8A27
C21C23A7
D29
B2
BATTERY
M/B FUSE NO. 11SBF-7
SBF
SBF-5
SBF-8
SBF-6
STARTERRELAY
IG 2RELAY
IGNITION SWITCHOFF+B
ACC
IG2
IG1
ACCONST
ST
STARTER MOTOR
MAINRELAY 1
ELECTRONICTHROTTLECONTROLRELAY
FUEL PUMP RELAY
FUEL PUMP
FUEL PUMPCONTROL UNIT
MAINRELAY 2RELAYHOLDER
A21
A11A22
B34
B35
B7B6
B11B10
B9B8
C2
B26AIR FLOW SENSOR
CAMSHAFT POSITION SENSOR LH
CPC SOLENOID
B1
C3C5B15
B4C4
POWER STEERING OIL PRESSURE SWITCH
C12
MAIN FUSE BOX (M/B)GENERATOR
B18
TCM
D8FUEL INJECTOR NO.1D9D10D11
PWM CONTROLLORAUTO A/C CONTROL MODULE
A/C RELAY
BODY INTEGRATED UNIT (CAN COMMUNICATION)
FUEL TEMPERATURE SENSOR
VACUUM PUMP RELAY
BODY INTEGRATED UNIT (IMMOBILIZER)
C18C29C24C33
C27
B24B12
B20B28
C26C34
C35B17
CRUISE CONTROL SWITCH
FUEL INJECTOR NO.2FUEL INJECTOR NO.3
C17DRAIN VALVE
FUEL INJECTOR NO.4D12D13FUEL INJECTOR NO.5FUEL INJECTOR NO.6
FRONT OXYGEN (A/F) SENSOR RH
REAR OXYGEN SENSOR RH
REAR OXYGEN SENSOR LH
FRONT OXYGEN (A/F) SENSOR LH
A/C PRESSURE SWITCH
M/V PRESSURE SENSOR
RADIATOR FAN RELAY 1
STOP LIGHT & BRAKE SWITCH(CRUISE CONTROL)
C9
FUEL TANK PRESSURE SENSORB32
M/B FUSE NO. 13F/B FUSE NO. 7F/B FUSE NO. 4F/B FUSE NO. 5F/B FUSE NO. 12F/B FUSE NO. 21
CAMSHAFT POSITION SENSOR RH
9
Page 2344 of 2453
WI-60
Vehicle Dynamics Control System
WIRING SYSTEM
10.Vehicle Dynamics Control System
A: WIRING DIAGRAM
WI-08066
VDC-01VDC-01
MB-2M/B FUSE NO. 1 (B)
TO POWER SUPPLY CIRCUIT
WLWRRY
RY
44
VR
32
STOPLIGHTSWITCH
FUSE &RELAY BOX(F/B)
DATA LINKCONNECTOR
BrR
F5
BrW
BrW
F9
3
2
BrR
18
B402
VR10
GY9
W1
BL13
BL12
B65
RELAY BOX
VC2VC1
B423
VC1
B423
F:B159
GYGYW
F:(BLACK) (BLACK)(BLACK)
(BLACK)
(BROWN)B65B159
157628349
B310
VDC CONTROL MODULEOIL PRESSURESENSOR
VDC-03B
MB-1SBF-1 (B)
FB-3F/B FUSE NO. 8 (B)
FB-44F/B FUSE NO. 33 (IG)
FB-32F/B FUSE NO. 4(IG)
MB-27MB FUSE NO. 13 (B)
FAILSAFERELAY
MOTORRELAY
1234
5
3
LB
2
LY
1
LR
4
WL
LBLYLRWL
WR
108
96
1211
1314
3123045
VDC-03A
B310
1234
1516171819202122232425262728293031323334353637383940414245464344568910 11 12 13 147
B423B402
123 8910413 14 15 165671112123
45
678
SOLENOIDVALVESM1SM2SFRHSFLHSRRHSRLHSFRRSFLRSRRRSRLR
REF. TO ENGINE ELECTRICALSYSTEM [E/G-05]
VC2
3412
5
8967
1012111314
Page 2420 of 2453

WI-136
Water Temperature Gauge System
WIRING SYSTEM
46.Water Temperature Gauge System
A: WIRING DIAGRAM
C/TEMP-01C/TEMP-01
WI-08138
B136
16101112131415252430
9871718192028212223293231
123456
2726333435
C:B136A:B134ECM
TO POWER SUPPLYCIRCUIT
FB-36F/B FUSE NO. 5(IG)
BrPB21
E2819
Br
B:
(BLACK)
E8
12
123456789101112
5467821931022 23111213141524 25 26 2716171828 29192021 30
B280
COMBINATIONMETERA: i10
I/F
CAN TRANSCEIVER& RECEIVER
MICRO COMPUTER
PVBY
A15
BY
R
B20
L
B30
A27A26
BY
ENGINE COOLANTTEMPERATURE SENSOR
YGE81
BrW
YGBrW
2
P
RL
A34A29
C35C27
TWISTED PAIR LINE
TWISTED PAIR LINETWISTED PAIR LINE
TWISTED PAIR LINE
TWISTED PAIR LINE
C:
1234567891011121415161718192021222324252627282930313233343513
i84A:
B21
12345678910 1112 13 14 15 16 17 18 19 20 21 2223 24 25 26 27 28 29 30 31 32 33
34 3542 4336 3738 39
48 4950 5152 5354
40 41444546 47
(BLACK)
i127(BLACK)
i126(BLACK)(BLUE)(GREEN)
(GRAY)
A29A30A16
BODYINTEGRATED UNIT
i84
B280
A:
B:
REF. TO GROUNDCIRCUIT [GND-05]
CANJOINT CONNECTORB352
RLRL6*5*
6*5*
B416
B352
34561278
CANJOINT CONNECTOR
i128
4*
4*
3*
3*
CANJOINTCONNECTORB416
LL6*6*RR5*5*
: TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 10, 11 AND 12: TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 7, 8 AND 9
1*
2*
: TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 7, 8, 9, 10, 11 AND 12
3*
: TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 1, 2, 3, 4, 5 AND 6
4*
: TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 1, 2, 5 AND 6
5*
: TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 3, 4, 7 AND 8
6*
i10
19 20 2115 16 17 182223242526272829301234568910 11 12 13 147
A:
A:B134
85610 11 12 13 14 157213416
3019 20 2228 29
91718252123 24323126 2733 34
i128
123456789101112
BrW
A3A4
BrW
BrW
JOINT CONNECTOR
i126i127
1*
2*2*
ENGINECOOLANTTEMPERATUREGAUGE