Page 2242 of 2453

5AT(diag)-125
Diagnostic Procedure without Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Step Check Yes No
1CHECK THE BODY INTEGRATED UNIT.
Check DTC of body integrated unit.
Is DTC of AT CAN communica-
tion circuit displayed?
Pe r for m t h e d ia g -
nosis according to
DTC.
Go to step 2.
2CHECK TCM.
Check DTC of TCM.
Is DTC of AT CAN communica-
tion circuit displayed?
Pe r for m t h e d ia g -
nosis according to
DTC.
Go to step 3.
3CHECK TCM.
1) Turn the ignition switch to OFF.
2) Connect the Subaru Select Monitor to data
link connector.
3) Turn the ignition switch to ON. (Engine
OFF)
4) Turn the Subaru Select Monitor switch to
ON.
5) Shift the select lever to manual mode side,
and then shift down the select lever.
6) Read the indicator.
Is gear position 1 and “ ” dis-
played?
Go to step 4.Replace the TCM.
Tr a n s m i s s i o n C o n -
trol Module
(TCM).>
4CHECK TCM.
1) Shift up the select lever.
2) Read the indicator.
Is the gear position 2, and is
“” displayed?
Go to step 5.Replace the TCM.
Tr a n s m i s s i o n C o n -
trol Module
(TCM).>
5CHECK THE BODY INTEGRATED UNIT.
Read the data of gear position using Subaru
Select Monitor.
Is SPORT shift gear position
2?
Go to step 6.Check the body
integrated unit.
Body Integrated
Unit.>
6CHECK COMBINATION METER.Is the range position/gear posi-
tion indicator light normal?
Refer to “Symptom
Related Diagnos-
tic”.
5AT(diag)-128,
General Diagnos-
tic Table.>
Replace the com-
bination meter
assembly.
IDI-11, Combina-
tion Meter.>
Page 2243 of 2453
5AT(diag)-126
Diagnostic Procedure without Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
C: CHECK BUZZER
DIAGNOSIS:
Output signal circuit of buzzer is open or shorted.
TROUBLE SYMPTOM:
Buzzer remains beeping.
WIRING DIAGRAM:
34
2122
AT-02940
17
COMBINATIONMETER
JOINT CONNECTOR
i77
i10
i84A:B280B:
28
A27A26
B20B30
43
TCMB54
BODY INTEGRATED UNIT
SPORTSHIFTBUZZER
i10
i77
i84
B280
21346789102221201918171615141312115
121110987654321
8765432122232120191615141312111093435333217301831292827262524
87654321
2223212019161514131211109173018292827262524
BATTERY
SBF-1 SBF-7
IGNITION SWITCH
NO.12
EA:
B:
B54
12789563410 11 1219 20 2113 14 15 16 17 18222324
Page 2244 of 2453

5AT(diag)-127
Diagnostic Procedure without Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Step Check Yes No
1CHECK THE BODY INTEGRATED UNIT.
Check DTC of body integrated unit.
Is DTC of CAN communication
displayed?
Pe r for m t h e d ia g -
nosis according to
DTC.
Go to step 2.
2CHECK TCM.
Check DTC of TCM.
Is DTC of CAN communication
displayed?
Pe r for m t h e d ia g -
nosis according to
DTC.
Go to step 3.
3CHECK BUZZER STOP.
Disconnect the connector (B54).
Does the buzzer stop? Replace the TCM.
Tr a n s m i s s i o n C o n -
trol Module
(TCM).>
Go to step 4.
4CHECK THE BODY INTEGRATED UNIT.
1) Turn the ignition switch to OFF.
2) Connect the Subaru Select Monitor to data
link connector.
3) Turn the ignition switch to ON. (Engine
OFF)
4) Turn the Subaru Select Monitor switch to
ON.
5) Read the data of SPORT shift buzzer using
Subaru Select Monitor.
Is the SPORT shift buzzer dis-
play “ON”?
Replace the body
integrated unit.
Body Integrated
Unit.>
Go to step 5.
5CHECK COMBINATION METER.Is the buzzer OK? Refer to “Symptom
Related Diagnos-
tic”.
5AT(diag)-128,
General Diagnos-
tic Table.>
Replace the com-
bination meter
assembly.
IDI-11, Combina-
tion Meter.>
Page 2304 of 2453

WI-20
Power Supply Circuit
WIRING SYSTEM
No. Load
MB-1 Fail safe relay
MB-2 VDC control module
MB-5 Mirror heater relay
Rear defogger
MB-6 Body integrated unit
MB-8 PWM controller
MB-9 ECM
MB-14 OP connector
Lighting switch
MB-15 Combination meter
MB-16 Headlight RH
MB-17 Headlight LH
MB-18 OP connector
Daytime running light control module
MB-19 Horn
MB-20 Horn
MB-21 Body integrated unit
MB-22 Ignition relay
Main relay
MB-23 Main relay
MB-24 Electronic throttle control relay
MB-25 Fuel pump relay
MB-26 TCM
MB-27 ECM
Data link connector
MB-28 Key warning switch
Tu r n s i g n a l & h a z a r d u n i t
Body integrated unit
MB-29 Auto A/C control module
Spot map light
Va n i t y m i r r o r i l l u m i n a t i o n l i g h t R H
Handle light LH
Handle light RH
Foot light (Driver’s seat)
Foot light (Passenger’s seat)
Home link
Body integrated unit
MB-30 Power window circuit breaker
MB-31 F/B fuse No. 16
MB-32 ALT-1
ECM
Par king light switch
MB-33 Blower fan relay
MB-34 Accessory relay 2
Va c u u m p u m p r e l ay
ALT-1 ECM
FB-1 Trailer connector
FB-3 Stop light & brake switch
Stop light switch
FB-4 Mirror heater relay
Wiper deicer relay
FB-5 Seat heater relay
FB-6 Body integrated unit
FB-8 Rear cooler relay
FB-9 Front fog light relay
FB-10 MFD
Impact sensor
Audio
Keyless entr y control module
Second-row seat foot light RH
TV monitor
Navigation module
Fr o n t s te p li gh t LH
Fr o n t s te p li gh t RH
Rear seat entertainment
Rear step light RH
FB-11 Second-row seat foot light LH
Luggage room light
Rear gate light
Rear step light LH
FB-13 Navigation module
FB-17 TPM control module
War ning box (Passenger’s side)
Combination meter
FB-18 Auto A/C control module
Body integrated unit
FB-19 Remote control mirror switch
FB-20 Accessory relay 2
Seat heater relay
Shade mirror
FB-21 Body integrated unit
Rear accessory power supply socket
FB-23 Rear wiper motor
FB-24 Body integrated unit
Rear washer motor
FB-25 MFD
Audio
TV monitor
Navigation module
Rear seat entertainment
FB-27 Front wiper switch
Fr o n t wi p er mo t or
Wiper relay unit
FB-28 Key warning switch
Key illumination
Body integrated unit
FB-29 TCM
FB-32 Open/Close switch
Sunroof control unit
Stop light & brake switch
Stop light switch
Tilt switch
Data link connector
Wiper deicer relay
FB-34 Turn signal & hazard unit
FB-35 Stop light relay
Daytime running light control module
Daytime running light relay
Back-up light relay
Rearview mirror
FB-36 MFD
War ning box (Passenger’s side)
Combination meter
No. Load
Page 2310 of 2453

WI-26
Ground Circuit
WIRING SYSTEM
WI-08034
GND-05GND-05
GND-06G
GND-06H
(BLACK)R188
B A16
COMBINATION METER
GND-02D
GND-04F
GB-11
BBY
BY A16BY A15BY 2
A21
BODY INTEGRATED UNIT
i78BY 2
5
PUSH SWITCH(VDC OFF SWITCH)
i22BY 2
3
HAZARD SWITCH
i116BY 2
10
WARNING PANEL (PASSENGER'S SIDE)
R8BY 2
1
FRONT SEATBELT SWITCH LH
R22BY 2
3
REAR DOOR SWITCH LH
R9BY
3
FRONT DOOR SWITCH LH
R211BY
9
TPM CONTROL UNIT
R226BY
6
NAVIGATION UNIT
R264BY 2
1
REAR ACCESSORY POWER SUPPLY SOCKET (CARGO ROOM)
R263B2
1
REAR ACCESSORY POWER SUPPLY SOCKET (THIRD SEAT)
D25BY
2
REAR POWER WINDOW SUB SWITCH LH
R188B
1
POWER SEAT LH
R275BR
1
R274BR
1
FRONT ACCESSORY POWER SUPPLY SOCKETFRONT ACCESSORY POWER SUPPLY SOCKET
i123BY 2
6
WARNING PANEL (DRIVER'S SEAT)
A:
i10
B A16
BLOWER FAN SWITCH
B8B9R276
A:
i84
i130
R230
B
1716
B
BY
BY
R272
R229
BR
411
BR
B
B
R260
R254
BY
1011
B
B
B
D28
R13
B
3
B
i81BY
DIAGNOSIS CONNECTOR
R224
JOINT CONNECTOR
*
*
BY
BY
*:TERMINAL NO. OPTIONAL ARRANGEMENT BETWEEN 7 AND 8
1234
i116
12345678910
i10
19 20 2115 16 17 182223242526272829301234568910 11 12 13 147
A:
R8
i22
123
R22
R9
12
12345678910
A: i84
1234567891011121415161718192021222324252627282930313233343513
123456789101112
R224
R211
R226
R13R276
R264
R263R274
R275
R254
12
10115634897131412
R229
8791012543611
D25
12345678
123 8910411 12 13 14 15 16567171819202122
i130i123
123 45678910 11 12 13 14
i78
123456789101112131415
(BLUE)
12
Page 2317 of 2453

WI-33
Engine Electrical System
WIRING SYSTEM
WI-08040
A3D2
D22D23
POWERCIRCUIT
COMBINATION METER
C16B27D18D19D20D21
C11C22
C6
B23B29B31B21
1
2
3
4
5
6
ACCELERATORPEDAL POSITIONSENSOR
JOINT CONNECTOR A
JOINT CONNECTOR
MALFUNCTION INDICATOR LIGHTOIL PRESSUREWARNING LIGHT
I/F
I/F
I/F
VDC CONTROL MODULE
IGNITION COIL NO.1
BODY INTEGRATED UNIT(CAN COMMUNICATION LINE)
OILPRESSURESWITCH
CRANKSHAFT POSITION SENSORA13A14
ENGINE GROUND
ECM
A18A28
D4D5
A19B22A6A29A34
D15B30
D14D17D16D31D30
ELECTRONIC THROTTLE CONTROL
A24
A25A16
A15
A32
D1
MANIFOLD ABSOLUTE PRESSURE SENSOR
ENGINE COOLANT TEMPRERATURE SENSOR
VVL DIAGNOSIS OIL PRESSURE SWITCH RH
D25D24
KNOCK SENSOR 2
D6D26D7
A5
MICRO COMPUTER
CAN TRANSCEIVER &RECEIVER
OIL SWITCHING SOLENOID VALVE RH
TA C H O -METER
SPEEDMETER
ENGINECOOLANTTEM-PERATUREGAUGE
DATA LINK CONNECTOR
TEST MODECONNECTOR
OIL TEMPERATURE SENSORA23
A31D3
VVL DIAGNOSIS OIL PRESSURE SWITCH LH
KNOCK SENSOR 1
OIL SWITCHING SOLENOID VALVE LH
INTAKE OIL FLOW CONTROL SOLENOID VALVE RH
INTAKE 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
789
Page 2320 of 2453

WI-36
Engine Electrical System
WIRING SYSTEM
WI-08043
E/G-03E/G-03
TO POWER SUPPLY CIRCUIT
FB-36F/B FUSE NO. 5(IG)
BrW
COMBINATIONMETER
i10A:
i11B:
BrWBrW
GOr
B10
OrW B11RW
A28
GB
GB A27
P
A29
V
A30
BY
A15
BY
A16
I/F
GOr
GOr
GOr
14
RWP
76
16
FB-17F/B FUSE NO. 7(B)
A2A1
B38
i3
B38
i3
POWER SUPPLY CIRCUITI/F
B21
E231
A3A4
ECM
OIL PRESSURE SWITCH
RW
C11
P
C22
R
C27
L
C35
C:B136
OIL PRESSUREWARNING LIGHTMAL FUNCTIONINDICATOR LIGHTI/F
MICRO COMPUTER
SEPEED-METERENGINECOOLANTTEMPERATUREGAUGE
TACHO-METER
B310YL
33
VDC CONTROLMODULE
BY
CAN TRANSEIVER& RECEIVER
E11GOr
B38
12345678910 11 12 13 14 15 16 17 18 19 20
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
REF. TO CAN COMMUNICATION
SYSTEM [CAN-01]
REF. TO CAN COMMUNICATION SYSTEM [CAN-02]
REF. TO GROUND CIRCUIT [GND-05]
JOINTCONNECTOR
i99
i1002*
2*
: TERMINAL NO. OPTIONAL ARRANGEMENT: TERMINAL NO. OPTIONAL ARRANGEMENT BETWEEN 3 AND 4
1*
2*
: TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 10, 11 AND 123*
: TERMINAL NO. OPTIONAL ARRANGEMENT AMONG 7, 8 AND 94*
WL
WLWL
WLWL5
i102R167
JOINTCONNECTOR
R224
1*1*
JOINT CONNECTOR
i125i124
3*3*4*
JOINT CONNECTOR
i127i126
4*4*3*
1234567891413121110151617181920
i102(BLUE)(GREEN)
(GREEN)
(BLACK)
(BLACK)
i11
123 45678910 11 12 13 14
B:
i10
19 20 2115 16 17 182223242526272829301234568910 11 12 13 147
A:
C: B136
16101112131415252430
9871718192028212223293231
123456
2726333435
B310
1234
1516171819202122232425262728293031323334353637383940414245464344568910 11 12 13 147
123456789101112
i126(BLACK)
i124(GRAY)
i100(BLACK)
R224
i127(BLACK)
i99(BLACK)i125(GRAY)
Page 2334 of 2453
WI-50
AT Control System
WIRING SYSTEM
7. AT Control System
A: WIRING DIAGRAM
WI-08056
BATTERY
TCM
M/B FUSE NO. 12F/B FUSE NO. 4
SBFSBF-8
SBF-6
IG 2RELAY
P-VIGN RELAY
IGNITION SWITCHOFF+B
ACC
ACCONST
ST
DATA LINK CONNECTOR
A20B2B1
B10
A1
A7
A8
A10
B15
B19
B11
COMBINATION METER
DIMMER & STABILIZING
POWER CIRCUIT
LCD(RANGE POSITION/GEAR POSITION)
I/F
MICRO COMPUTER
DRIVER
BODY INTEGRATED UNITCAN TRANSCEIVER &RECEIVER
AT SELECT LEVER
BACK-UP LIGHT RELAY
BACK-UP LIGHT
M/B FUSE NO. 13F/B FUSE NO. 18F/B FUSE NO. 5
F/B FUSE NO. 33
F/B FUSE NO. 12F/B FUSE NO. 31
AW D WA R N I N GLIGHT
SPORTINDICATORLIGHT
AT OILTEMPERATUREWA R N I N GLIGHT
TWISTEDPAIR LINE
A3A4
CAN JOINTCONNECTOR
VDCCONTROLMODULE
ECM
CAN JOINTCONNECTOR
CAN JOINTCONNECTOR
STEERINGANGLESENSOR
YAWRATESENSOR
IG2
IG1