Subaru Legacy (2005 year). Service manual — part 1033
LAN(diag)-11
LAN SYSTEM (DIAGNOSTICS)
Control Module I/O Signal
Rear wiper switch (INT)
B281
C18
Less than 1
Ω
Rear wiper switch ON
Rear washer switch
B281
C27
Less than 1
Ω
Rear washer switch ON
Rear wiper power sup-
ply
B280
B21
10 — 13 V
Rear wiper ON output
B280
B1
10 — 13 V
Rear wiper switch ON
Rear wiper return
B280
B8
Less than 1
Ω
B1 — B8 less than 1
Ω
At wiper reversing
Room light output
B280
B3
Less than 1
Ω
When LOCK, UNLOCK with key-
less entry
Key ring illumination
output
B280
B4
Less than 1
Ω
Ignition key removed, driver’s
door open
Turn hazard output
B280
B12
Less than 1
Ω
When operating keyless entry
answer back
Immobilizer pilot light
i84
A33
Less than 1
Ω
At ignition key removed, immobi-
lizer operating
Alarm control ECM (EK
model)
B280
B11
Serial communication
Security horn output
(Except for EK model)
B280
B11
Less than 1
Ω
At security horn output
Keyless communication
i84
A9
2 — 10 V
At keyless entry signal received
High-speed CAN circuit
(Hi)
B280
B20
Between B20 — B30
Serial communication
At communicating (sending and
receiving)
High-speed CAN circuit
(Lo)
B280
B30
Low-speed CAN circuit
1 (Hi)
i84
A26
Between A25 — A26
Serial communication
At communicating (sending and
receiving)
Low-speed CAN circuit
1 (Lo)
i84
A25
Low-speed CAN circuit
2 (Hi)
B280
B26
Between B25 — B27
Serial communication
At communicating (sending and
receiving)
(Model with auto A/C)
Low-speed CAN circuit
2 (Lo)
B280
B27
Immobilizer antenna
B281
C20 — C21
Serial communication
Immobilizer communi-
cation (Main)
B280
B18
(Back-up
B28)
Serial communication
Subaru Select Monitor
communication
B280
B19
Serial communication
Description
Connector
No.
Terminal No.
Signal (V or
Ω)
NOTE
Ignition switch ON
(engine OFF)
LAN(diag)-12
LAN SYSTEM (DIAGNOSTICS)
Control Module I/O Signal
B: WIRING DIAGRAM
BODY
INTEGRATED
MODULE
SYSTEM CONTROL POWER SUPPLY
IGNITION POWER SUPPLY
BACKUP POWER SUPPLY
GROUND
ACC POWER SUPPLY
GROUND
GROUND
GROUND
B7
A24
B22
A1
A25
A10
C23
A2
C7
C9
C2
A21
C8
KEY WARNING SWITCH
STOP LIGHT SWITCH
ILLUMINATION
VOLUME
FRONT FOG LIGHT INPUT
REAR FOG LIGHT INPUT
HEADLIGHT INPUT
DRIVER'S SEAT
PASSENGER'S SEAT
REAR SEAT (RIGHT SIDE)
REAR SEAT (LEFT SIDE)
TRUNK / REAR GATE
ILLUMINATION CONTROL SWITCH (CLOCK)
MANUAL SWITCH (LOCK)
MANUAL SWITCH (UNLOCK)
REAR WIPER SWITCH (ON)
REAR WIPER SWITCH (INT)
REAR WASHER SWITCH
WIPER DEICER SWITCH
SHIFT SWITCH (ON)
SHIFT SWITCH (UP)
SHIFT SWITCH (DOWN)
FUEL LEVEL SENSOR
AMBIENT SENSOR (SIG)
AMBIENT SENSOR (GND)
SEDAN / WAGON IDENTIFICATION SWITCH
REGISTRATION MODE SWITCH
(EXCEPT FOR EK MODEL)
KEYLESS COMMUNICATION
HIGH-SPEED CAN CIRCUIT (HI)
HIGH-SPEED CAN CIRCUIT (LO)
LOW-SPEED CAN CIRCUIT 1 (HI)
LOW-SPEED CAN CIRCUIT 2 (HI)
LOW-SPEED CAN CIRCUIT 1 (LO)
LOW-SPEED CAN CIRCUIT 2 (LO)
IMMOBILIZER ANTENNA
IMMOBILIZER COMMUNICATION (MAIN)
IMMOBILIZER COMMUNICATION (BACKUP)
SUBARU SELECT MONITOR
COMMUNICATION
REAR DEFOGGER RELAY OUTPUT
DOOR LOCK POWER SUPPLY
ALL DOORS LOCK OUTPUT
TRUNK / REAR GATE UNLOCK OUTPUT
ALL DOORS UNLOCK OUTPUT
KEY / SHIFT LOCK POWER SUPPLY
SHIFT LOCK OUTPUT
REAR WIPER POWER SUPPLY
REAR WIPER ON OUTPUT
REAR WIPER RETURN
REAR DEFOGGER SWITCH
(MODEL WITH MANUAL A/C)
WIPER DEICER RELAY OUTPUT
ILLUMINATION OUTPUT
ROOM LIGHT OUTPUT
KEY RING ILLUMINATION OUTPUT
A5
C4
C17
A17
A31
A18
A32
A19
C16
B13
REAR FOG LIGHT OUTPUT
TURN HAZARD OUTPUT
B4
B3
B11
C22
B19
C28
A33
C18
C6
B28
B27
C21
C20
B18
B8
B21
B1
B12
IMMOBILIZER PILOT LIGHT
ALARM CONTROL ECM (EK MODEL)
5 6 7
8
2
1
9
4
3
10
24
22 23
25
11 12 13 14 15
26
27 28
16 17 18 19
20 21
B281
5
4
6 7
8
2
1
9
3
10
22
23
11 12 13 14 15
24 25
26 27
16 17 18
28 29
19 20
21
30
B280
i84
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
A:
B:
C:
B281
B280
i84
A:
B:
C:
LAN00180
HEATER COCK VALVE OUTPUT
DRIVER'S SEAT DOOR LOCK
(EXCEPT FOR EK MODEL)
DOUBLE LOCK OUTPUT (EK MODEL)
B14
A34
A7
B6
C1
A15
A30
A22
A29
A28
A14
B16
A8
A16
B15
A23
A35
"P" RANGE SWITCH
SEAT BELT SWITCH (DRIVER'S SEAT)
SEAT BELT SWITCH (PASSENGER'S SEAT)
SEAT BELT WARNING LIGHT
(DRIVER'S SEAT)
SEAT BELT WARNING LIGHT
(PASSENGER'S SEAT)
C25
C26
C15
C19
C3
C10
C13
A4
A13
C22
B20
A25
C11
B30
A9
A26
B26
A20
B27
DOOR LOCK SWITCH
DOOR
SWITCH
INPUT
SECURITY HORN OUTPUT
(EXCEPT FOR EK MODEL)
B11
IMPACT SENSOR
C5
LAN(diag)-13
LAN SYSTEM (DIAGNOSTICS)
Control Module I/O Signal
C: LAN SYSTEM
(1)
Body integrated module
(8)
Audio-A/C control panel
(15)
Subaru Select Monitor communi-
cation line
(2)
ECM
(9)
Navigation system
(3)
TCM
(10)
Center display
(16)
Subaru Select Monitor
(4)
VDC/ABSCM
(11)
Combination meter
(17)
Low speed CAN (Body control)
(5)
Steering angle sensor
(12)
Clock
(18)
High speed CAN (Driving control)
(6)
Keyless entry receiver
(13)
Exclusive communication line
(7)
A/C control module
(14)
IE-Bus (AV)
LAN00109
(1)
(6)
(7)
(8)
(14)
(17)
(11)
(12)
(13)
(18)
(13)
(13)
(9)
(13)
(10)
(13)
(2)
(3)
(15)
(4)
(5)
(16)
LAN(diag)-14
LAN SYSTEM (DIAGNOSTICS)
Subaru Select Monitor
6. Subaru Select Monitor
A: OPERATION
1. READ DIAGNOSTIC TROUBLE CODE
(DTC)
NOTE:
• DTC is displayed in the sequence of inputting.
(When inputting two DTCs or more simultaneously,
they are displayed in the sequence of priority.)
• When two DTCs or more are displayed, perform
the diagnosis of top of them.
1) Prepare the Subaru Select Monitor kit.
2) Connect the diagnosis cable to Subaru Select
Monitor.
3) Insert the cartridge to Subaru Select Monitor.
<Ref. to LAN(diag)-6, SPECIAL TOOL, PREPARA-
TION TOOL, General Description.>
4) Connect the Subaru Select Monitor to data link
connector.
Data link connector is located in the lower portion of
instrument panel (on the driver's side).
CAUTION:
Do not connect the scan tools except Subaru
Select Monitor.
5) Turn the ignition switch to ON (engine OFF), and
turn the Subaru Select Monitor power switch to ON.
6) On the “Main Menu” display screen, select the
{Each System Check} and press the [YES] key.
7) On the “System Selection Menu” display screen,
select the {Integ. unit mode} and press the [YES]
key.
8) On the “Integ. unit mode failure diag” display
screen, select the {Diagnostic Code(s) Display}
and press the [YES] key.
NOTE:
• For details concerning operation procedure, re-
fer to the SUBARU SELECT MONITOR OPERA-
TION MANUAL.
• For details concerning DTCs, refer to the List of
Diagnostic Trouble Code (DTC). <Ref. to LAN(di-
ag)-28, List of Diagnostic Trouble Code (DTC).>
LAN00014
EN-00039
LAN00110
(A) Power switch
LAN00017
(A)
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