LAN(diag)-7
Electrical Component Location
LAN SYSTEM (DIAGNOSTICS)
4. Electrical Component Location
A: LOCATION
(1) Body integrated unit (6) Transmission Control Module
(TCM)
(10) Odo/trip meter
(2) Engine Control Module (ECM) (11) Yaw rate sensor
(3) Auto A/C control module (7) Combination meter (12) Center monitor (navigation moni-
tor or MFD)(4) Keyless entry control module
(Antenna)
(8) Steering angle sensor
(9) VDCCM&H/U (In engine compart-
ment)(5) A/C control panel
LAN00181
(8)
(6)
(1)
(11)
(2)
(3)
(12)(7),(10)
(4)
(9)
(5)
LAN(diag)-10
Control Module I/O Signal
LAN SYSTEM (DIAGNOSTICS)
Manual switch (UNLOCK) i84 A29 Less than 1 ΩDoor unlock switch ON
Door lock power supply i84 A34 10 — 13 V Always
All door lock output i84 A7 10 — 13 V Manual lock switch, door key switch ON
Driver’s door UNLOCK
outputi84 A23 10 — 13 V Driver’s seat unlock signal ON
All door UNLOCK output i84 A8 10 — 13 V ALL door unlock signals ON
Rear gate UNLOCK out-
puti84 A22 10 — 13 VWhen rear gate release switch ON with
all seats unlocked
Rear gate release switch B281 C22 0 V Rear gate release switch ON
Key/shift lock power sup-
plyB281 C1 10 — 13 V Always
Shift lock output B280 B6 10 — 13 VIgnition switch ON, shift position “P”
range, foot brake ON (Only AT)
Key locking output B280 B5 10 — 13 VOther than “P” range, ignition switch
ON
Wiper deicer switch i84 A14 0 V Wiper deicer switch ON
Wiper deicer relay output B280 B14 0 V Wiper deicer relay ON
Rear defogger switch i84 A28 0 V Rear defogger switch ON
Rear defogger relay out-
putB281 B16 0 V Rear defogger relay ON
Shift switch (ON) B281 C26 0 V At Manual mode
Shift switch (UP) B281 C15 0 V At Manual mode UP
Shift switch (DOWN) B281 C25 0 V At Manual mode DOWN
Shift button switch B281 C24 0 VWhen shift lever release button is oper-
ated
P range switch B281 C13 0 V Shift range P position
Impact sensor B281 C5 8 V or moreImpact sensor ON (Model with impact
sensor)
Fuel level sensor B281 C19 0 — 102.3 Ω
Resistance differs according to the fuel
level (displays resistance combining
level gauge main and sub)
Ambient temperature sen-
sor
B281 C3 0.5 — 4.5 V SIG
B281 C10 0 V GND
Seat belt switch (driver’s
seat)i84 A4 0 V When driver’s seat belt is worn
Seat belt switch (Passen-
ger’s seat)i84 A13 0 V When passenger’s seat belt is worn
Seat belt warning light
(driver’s seat)i84 A20 0 V When driver’s seat belt is worn
Seat belt warning light
(Passenger’s seat)B280 C27 0 V When passenger’s seat belt is worn
Rear wiper switch (ON) B281 C6 0 V Rear wiper switch ON
Rear wiper switch (INT) B281 C18 0 V Rear wiper switch ON
Rear washer switch B281 C27 0 V Rear washer switch ON
Rear wiper power supply B280 B21 10 — 13 V Ignition switch ON
Rear wiper ON output B280 B1 10 — 13 V Rear wiper switch ON
Rear wiper return B280B8 0 VAt wiper reversingB1 — B8 0 V
Room lamp output B280 B3 0 VWhen LOCK, UNLOCK with keyless
entry
Map lamp output B280D2 0 V When using map lamp
D9 0 V When using map lamp
DescriptionConnec-
tor No.
Te r m i n a l
No.
Signal (V)
NoteIgnition switch ON
(Engine OFF)
LAN(diag)-11
Control Module I/O Signal
LAN SYSTEM (DIAGNOSTICS)
B: WIRING DIAGRAM
Refer to the electrical wiring diagram.
Key r ing illumination out-
putB280 B4 0 VIgnition key removed, driver’s door
open
Tu r n h a z a r d o u t p u t B 2 8 0 B 1 2 0 VWhen operating keyless entry answer
back
Keyless Buzzer Output i84 A6 10 — 13 VWhen operating keyless entry answer
back
Security horn output B280 B11 0 V When operating security horn
Security indicator light i84 A33 0 VAt ignition key removed, immobilizer
operating
TPMS registration check
signal inputB281 C4 0 VWhen inputting registration check sig-
nal
Keyless communication i84 A9 Ser ial communication At keyless entr y signal received
High-speed CAN circuit
(Hi)B280 B20Between B20 — B30
Serial communication
At communicating (sending and receiv-
ing)High-speed CAN circuit
(Lo)B280 B30
Low-speed CAN circuit 1
(Hi)i84 A27Between A25 — A26
Serial communication
At communicating (sending and receiv-
ing)Low-speed CAN circuit 1
(Lo)i84 A26
Low-speed CAN circuit 2
(Hi)B280 B26Between B25 — B27
Serial communication
At communicating (sending and receiv-
ing)
(Model with auto A/C)Low-speed CAN circuit 2
(Lo)B280 B25
Immobilizer antenna B281C20 —
C21Serial communication
Immobilizer communica-
tion (Main)B280
B18
(Back-up
B28)
Serial communication
Subaru Select Monitor
communicationB280 B19 Serial communication
DescriptionConnec-
tor No.
Te r m i n a l
No.
Signal (V)
NoteIgnition switch ON
(Engine OFF)
LAN(diag)-22
Subaru Select Monitor
LAN SYSTEM (DIAGNOSTICS)
9. FUNCTION SETTING (ECM CUSTOMIZING)
1) On the «Main Menu» display screen, select the {Each System Check} and press the [YES] key.
2) On the «System Selection Menu» display screen, select the {Integ. Unit mode} and press the [YES] key.
3) On the «Integ. Unit mode failure diag» display screen, select the {ECM customizing} and press the [YES] key.
4) Change the setting with UP/DOWN key and press the [YES] key.
•List of function setting item (ECM customizing)
NOTE:
Even if changes are made to items that are not equipped, the contents are not confirmed and do not operate.
DataInitial set-
ting value
Customize
settingRemarksDestination
Specifications
Off delay time Normal
Delay time below can be selected by setting.
After door closed After key unlock
OFF 0 sec. 0 sec.
Short 3 sec. 10 sec.
Normal 5 sec. 20 sec.
Long 8 sec. 30 sec.
Auto lock time 30 sec.0 — 60
sec.
Workable when Auto locking is set to “ON” and Automatic
locking setup is “ON”. Time can be changed by 10 sec-
onds: 0 (OFF) — 60 (maximum).
Not supported by North
American specifications
Rr defogger op.
mode15 min.
15 min.Rear defogger stops in 15 minutes automatically after
switch is turned to ON.
ContinuousRear defogger repeats active condition for 15 minutes and
inactive condition for 2 minutes until switch is turned to OFF.
Wiper deicer op.
mode15 min.
15 min.Wiper deicer stops in 15 minutes automatically after
switch is turned to ON.
ContinuousWiper deicer repeats active condition for 15 minutes and
inactive condition for 2 minutes until switch is turned to OFF.
Security Alarm
SetupONON Security alarm (hazard, horn or siren) in active condition
OFF Security alarm in inactive condition
Impact Sensor
SetupOFF
ONWorkable when Impact Sensor Setup is set to “ON”
Impact sensor in active condition
OFFImpact sensor in inactive condition (Set Impact Sensor
Setup of model without impact sensor to “OFF”.)
Alarm monitor
delay settingON
After doors are locked by keyless entry system operated,
Alarm monitor starts in following time.
ON Delay time is 30 seconds.
OFF Delay time is 0 seconds.
Lockout preven-
tionONONLockout prevention in inactive condition (Lockout preven-
tion does not operate if safety knob is locked by hand.)
OFF Lockout prevention in inactive condition
Impact Sensor OFFON
Ve h i c l e i s c o n t r o l l e d i n i m p a c t s e n s o r e q u i p p e d m o d e .
(Set impact sensor to “OFF” in model without impact sen-
sor. If impact sensor is set to “ON”, hazard, horn or siren
operate after doors are locked by keyless entry system
operated (Alarm monitor starting).
Set to “ON” when an
optional impact sensor
is installed.
OFF Vehicle is controlled in impact sensor no-equipped mode.
Siren setting OFFON
Siren sounds when alarm operates. (Set siren setting to
“OFF” in model without siren. Horn does not sound if siren
setting is set to “ON”.)
Set to “ON” when an
optional siren is
installed.OFF Horn sounds when alarm operates.
Answer-back
buzzer setupON
ON
Workable when answer-back buzzer setup is set to “ON”.
When lock/unlock is selected by keyless entry system
operated, hazard answer-back buzzer operates.
OFFWhen lock/unlock is selected by keyless entry system
operated, answer-back buzzer does not sound.
LAN(diag)-23
Subaru Select Monitor
LAN SYSTEM (DIAGNOSTICS)
5) After setting, make sure that vehicle equipment is same as the setting changed in the {Current Data Dis-
play & Save}.
CAUTION:
•It is possible to control the original functions of vehicle when settings above are corresponded to
vehicle equipment.
•Do not change the settings except for setting above during operation of equipment setting.
•Be sure not to change Factory initial setting except installation of new body integrated unit.
NOTE:
For details concerning operation procedure, refer to the “SUBARU SELECT MONITOR OPERATION MANUAL”.
Hazard answer-
back setupON
ON
Workable when hazard answer-back setup is set to “ON.”
When lock/unlock is selected by keyless entry system
operated, hazard answer-back buzzer operates.
OFFWhen lock/unlock is selected by keyless entry system
operated, hazard answer-back does not operate.
Automatic lock-
ing setupONONWorkable when Automatic locking setup is set to “ON”
Automatic locking operates.Not supported by North
American specificationsOFF Automatic locking does not operate.
Ans.-back
BuzzerON
ONVe h i c l e i s c o n t r o l l e d i n a n sw e r - b a c k b u z z e r e q u i p p e d
mode.Not supported by North
American specificationsOFF
Ve h i c l e i s c o n t r o l l e d i n a n sw e r - b a c k b u z z e r n o n - e q u i p p e d
mode. (Set Ans.-back Buzzer to “OFF” in model without
answer back buzzer.)
Auto locking ON
ON Vehicle is controlled in auto locking equipped mode.Not supported by North
American specificationsOFFVe h i c l e i s c o n t r o l l e d i n a u t o l o c k i n g n o n - e q u i p p e d m o d e .
(Set Auto locking to “OFF” in model without auto locking.)
Initial Keyless
Setting—
——
Execution
Settings of keyless entry system are initialized. (Auto-lock
time: 30 sec., Answer-back buzzer setup: ON, Hazard
answer-back setup: ON, Automatic locking setup: ON,
Ans.-back Buzzer: ON)
Initial button set-
ting—
——
Execution
Settings of each function are initialized. (Off delay time:
Normal, Rr defogger op. mode: 15 min., Wiper deicer op.
mode: 15 min., Lockout prevention: ON)
Initial Security
setting—
——
Not supported by North
American specificationsExecution
Settings of security system are initialized. (Security Alarm
Setup: OFF, Impact Sensor Setup: OFF, Alarm monitor
delay setting: ON, Siren setting: OFF)
Passive Alar m
(Not used)OFFONWorkable when passive ar ming is set to “ON.”
OFF
Door open
warning (pre-
vention of bat-
tery run-out)
OFF
ON
If detecting door open for 30 minutes, room light, key illu-
mination and door warning light are turned off to prevent
battery run-out.
OFFRoom light, key illumination and door warning light is not
turned off.
Alarm inter-
locked room
light switch
OFF
ONThe room light lights by being interlocked with the activa-
tion of the alarm.
OFFRoom light does not illuminate even if the alarm is acti-
vated.
DataInitial set-
ting value
Customize
settingRemarksDestination
Specifications
LAN(diag)-31
List of Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
1. DTC TABLE
NOTE:
When more than two DTC codes are recorded, referring to their combination will make it easy to identify the
possible cause. Refer to the list for typical examples.
DTC to Check Diagnostic Code that was displayed. Probable cause
Body inte-
grated unitECM TCMVDC/ABS
CM
Combina-
tion meter
display
B0100
ERROR, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
B0100 P0600 P1718 — Er IU There could be a prob-
lem in the body inte-
grated unit.
B0221
MAL, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
B0221 — P1718 C0057 Er HC It is possible that the
ECM is faulty.
B0222
MAL, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
B0222 P0600 — C0057 Er HC It is possible that the
TCM is faulty.
B0223
ABNORMAL, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
B0223 P0600 P1718 — Er HC It is possible that the
VDC/ABS CM is faulty.
B0321
DATA, Diagnostic Procedure with Diag-
nostic Trouble Code (DTC).>
B0321 — — — — It is possible that the
combination meter is
faulty.
B0313
ABNORMAL, Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
B0313 — — — — It is possible that the
navigation monitor or
MFD is faulty.
B0500
FUNCTION, Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
B0500 — — — — It is possible that the
keyless entry module
is faulty.
LAN(diag)-38
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
E: DTC B0102 BATT P/SUPPLY MALFUNCTION CONT.
DTC DETECTING CONDITION:
Battery power supply backup circuit is open or shorted.
TROUBLE SYMPTOM:
•Engine malfunction indicator light may illuminates.
•Keyless entry, room light and key illumination do not operate.
•“En IU” may display in combination meter.
NOTE:
When some B0101 BATT p/supply malfunction cont. are output at the same time, all function of body inte-
grated unit may not function.
WIRING DIAGRAM:
LAN00149
SYSTEM CONTROL POWER SUPPLYBACK-UP POWER
SUPPLY
BODY INTEGRATED UNIT
B7C2
A21C9B22C8
MICRO COMPUTER
C24B13
i84
B52
B280
R168C:B:
B:
A:
12345678910 11 12 19 2013 14 15 16 17 18
R168C:
B52B:
34128910 1112 13 14 15 16 17 18 19 20 21 22 23 24567
E
MAIN SBF-11BATTERY
B281C:
EE
B280B:
B281C:
567821943102422 2325111213141526 27281617181920 21
5467821931022 23111213141524 25 26 2716171828 29192021 30
i84A:
1234567891011121314151617181920212223242526272829303132333435
FB-18 NO.7MB-29 NO.8
LAN(diag)-63
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
LAN SYSTEM (DIAGNOSTICS)
Q: DTC B0300 CAN-LS MALFUNCTION
DTC DETECTING CONDITION:
Either end of low-speed CAN communication line is open or shorted, the connector is not connected prop-
erly, or the terminal has poor caulking.
TROUBLE SYMPTOM:
“Er LC” is displayed in odo/trip meter, but communicating function is OK.
WIRING DIAGRAM:
LAN00192
TO POWER SUPPLY CIRCUITFB-10M/B FUSE NO.28 (P)
1
4
3
7
A9
A4
5
BODY INTEGRATED UNIT
ILLUMINATION & BACK-UPJOINT CONNECTOR
KEYLESS ENTRY CONTROL MODULE
i84
i99
i99
i96
E
i84i96i99
123456789101112131415161718192021222324252627282930313233343510 11 12349561728
12345678
Step Check Yes No
1CHECK HARNESS.
1) Disconnect the CAN junction connector
(i128) and body integrated unit connector (i84).
2) Measure the resistance between connector
terminals.
Connector & terminal
(i84) No. 26 — (i128) No. 7 to 12:
(i84) No. 27 — (i128) No. 1 to 6:
NOTE:The i128 junction connector is freely arranged.
Is the resistance less than 10
Ω?
Go to step 2.Repair the short
circuit of harness
or replace har-
ness.