SL-22
Keyless Entry System
SECURITY AND LOCKS
11.CHECK DOOR LOCK SWITCH.
Step Check Yes No
1CHECK DOOR LOCK SWITCH.
Check the input signal from door lock switch to
body integrated unit using Subaru Select Moni-
tor.
1) Connect the Subaru Select Monitor to data
link connector.
2) Turn the ignition switch to ON.
3) Select {Integ. unit} from main menu.
4) Select the {Current Data Display & Save}.
5) Check the input signal to body integrated
unit by operating the door lock switch.
Is the normal input signal dis-
played when the door lock
switch is moved to LOCK/
UNLOCK?
The door lock
switch is OK.
Go to step 2.
2CHECK DOOR LOCK SWITCH CIRCUIT.
1) Disconnect the harness connector of body
integrated unit.
2) Measure the resistance between the har-
ness connector terminal and chassis ground
when moving the door lock switch to LOCK.
Connector & terminal
(i84) No. 15 — Chassis ground:
Is the resistance less than 10
Ω?
Go to step 3.Go to step 4.
3CHECK DOOR LOCK SWITCH CIRCUIT.
Measure the resistance between the harness
connector terminal and chassis ground when
the door lock switch is moved to UNLOCK.
Connector & terminal
(i84) No. 29 — Chassis ground:
Is the resistance less than 10
Ω?
The door lock
switch is OK.
Go to step 4.
4CHECK DOOR LOCK SWITCH.
1) Disconnect the door lock switch harness
connector.
2) Measure the resistance between the door
lock switch terminals when moving the door
lock switch to LOCK.
Connector & terminal
Driver’s side:
(D7) No. 5 — No. 9:
Passenger’s side:
(D125) No. 2 — No. 5:
Is the resistance less than 1
Ω?
Go to step 5.Replace the door
lock switch.
5CHECK DOOR LOCK SWITCH.
Measure the resistance between the door lock
switch terminals when moving the door lock
switch to UNLOCK.
Connector & terminal
Driver’s side:
(D7) No. 5 — No. 8:
Passenger’s side:
(D125) No. 4 — No. 5:
Is the resistance less than 1
Ω?
Check the harness
for open circuits or
shorts between
the body inte-
grated unit and the
door lock switch.
Replace the door
lock switch.
SL-23
Keyless Entry System
SECURITY AND LOCKS
12.CHECK IGNITION SWITCH ILLUMINATION.
13.CHECK HORN OPERATION
Step Check Yes No
1CHECK FUSE.
Remove and visually check the fuse No. 14 (in
the main fuse box).
Is the fuse blown out? Replace the fuse
with a new one.
Go to step 2.
2CHECK POWER SUPPLY.
1) Disconnect the ignition switch illumination
harness connector.
2) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(B414) No. 2 (+) — Chassis ground (– ):
Is the voltage more than 10 V? Go to step 3.Check the harness
for open circuits
and shorts
between the igni-
tion switch illumi-
nation and fuse.
3CHECK IGNITION SWITCH ILLUMINATION
CIRCUIT.
1) Disconnect the harness connector of body
integrated unit and ignition switch illumination
harness connector.
2) Measure the resistance between body inte-
grated unit harness connector terminal and
ignition switch illumination harness connector
terminal.
Connector & terminal
(B280) No. 4 — (B414) No. 1:
Is the resistance less than 10
Ω?
Replace the igni-
tion switch illumi-
nation bulb with a
new one.
Ignition Switch Illu-
mination.>
Check the harness
for open circuits
and shorts
between the body
integrated unit and
ignition switch illu-
mination.
Step Check Yes No
1CHECK HORN OPERATION.
Make sure the horn sounds when the horn
switch is pushed.
Does the horn sound? Go to step 2.Check the horn cir-
cuit.
2CHECK HORN OPERATION.
1) Disconnect the harness connector of body
integrated unit.
2) Connect the harness connector terminal to
ground using a suitable lead wire.
Connector & terminal
(B280) No. 11 (+) — Chassis ground (– ):
Does the horn sound? Check the body
integrated unit.
Diagnostic Proce-
dure.>
Check the harness
for open circuits
and/or shorts
between the body
integrated unit and
horn relay.
SL-24
Keyless Entry System
SECURITY AND LOCKS
14.CHECK KEYLESS BUZZER
Step Check Yes No
1CHECK KEYLESS BUZZER OPERATION.
Check that the keyless buzzer sounds when
LOCK or OPEN button of keyless remote con-
trol key is pressed.
Does the keyless buzzer
sound?
Keyless buzzer is
normal.
Go to step 2.
2CHECK KEYLESS BUZZER ON/OFF
SWITCH.
NOTE:If operations 1-5 are performed with the keyless
buzzer OFF, the keyless buzzer will turn ON.
1) Close the driver’s side door and remove the
key from the ignition key cylinder.
2) Push the door lock switch to the UNLOCK
side, and insert the key into the ignition key cyl-
inder.
3) From 2, pull out ⇔ inser t the key from the
ignition key cylinder 5 times.
4) From 3, open → close the dr iver’s side door
within 10 seconds.
5) The keyless buzzer sound ON/OFF will
switch, and the hazard lamp will blink 3 times.
If the driver's side door is not opened → closed
within 10 seconds in step 4, the hazard lamp
will blink once and the setting will not be
changed.)
6) Check that the keyless buzzer sounds
when LOCK or OPEN button of keyless remote
control key is pressed.
Does the keyless buzzer
sound?
Keyless buzzer is
normal.
Go to step 3.
3CHECK FOR POWER SUPPLY OF KEYLESS
BUZZER.
1) Turn the ignition switch to OFF.
2) Disconnect the keyless buzzer harness
connector.
3) Press the LOCK/UNLOCK button of the
keyless transmitter.
4) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(F102) No. 1 (+) — Chassis ground (– ):
Is the voltage more than 10 V? Go to step 4.Check the harness
for open circuits
and shorts
between the key-
less buzzer and
fuse.
4CHECK FOR GROUND CIRCUIT OF KEY-
LESS BUZZER.
1) Disconnect the harness connector of body
integrated unit.
2) Measure the resistance between harness
connector terminals.
Connector & terminal
(i84) No. 6 — (F102) No. 1:
Is the resistance less than 10
Ω?
Go to step 5.Repair the har-
ness.
5CHECK KEYLESS BUZZER.
1) Remove the keyless buzzer.
2) Install the keyless buzzer to another vehicle
which operates keyless buzzer normally, check
the buzzer sounds.
Does the keyless buzzer
sound?
Check the body
integrated unit or
door lock switch.
Diagnostic Proce-
dure.>
dow Control
Switch.>
Replace the key-
less buzzer.
SL-25
Keyless Entry System
SECURITY AND LOCKS
15.CHECK IGNITION SWITCH.
CAUTION:
When the ignition key lock is replaced, all ignition keys also must be registered. (Refer to the “IMMO-
BILIZER TEACHING OPERATION MANUAL”.)
Step Check Yes No
1CHECK FUSIBLE LINK.
Remove the fusible link main SBF and SBF-6
(in main fuse box), and visually check.
Is the fusible link blown out? Replace the fus-
ible link main SBF
or SBF-6. If the
replaced fusible
link has blown out
easily, repair the
short circuit
between the fus-
ible link and the
ignition switch.
Go to step 2.
2CHECK FOR POWER SUPPLY OF IGNITION
SWITCH.
1) Disconnect the ignition switch harness con-
nector.
2) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(B72) No. 3 (+) — Chassis ground (– ):
Is the voltage more than 10 V? Go to step 3.Check the harness
for open circuits
and shorts
between the igni-
tion switch and
fusible link.
3CHECK IGNITION SWITCH.
1) Insert the ignition key into ignition switch,
and turn the each position.
2) Measure the resistance between ignition
switch terminals.
Connector & terminal
No. 3 — No. 4 (ACC position):
No. 3 — No. 4 — No. 6 — No. 1 (ON posi-
tion):
No. 3 — No. 6 — No. 1 — No. 2 (ST posi-
tion):
Is the resistance less than 1 Ω
when turning the ignition key to
each position?
Ignition switch is
normal.
Replace the igni-
tion switch with a
new part.
MENT, Ignition Key
Lock.>
SL-26
Security System
SECURITY AND LOCKS
4. Security System
A: WIRING DIAGRAM
B: ELECTRICAL SPECIFICATION
Description Terminal No. Measuring condition
Ignition switch A1 (INPUT) Battery voltage is present when ignition switch is turned ON.
Keyless entr y control module A9 (INPUT) Communication line (Cannot be measured because of digital signal)
Rear gate latch switch A17 (INPUT) 0 V is present when opening the rear gate.
Rear door switch RH A18 (INPUT) 0 V is present when opening the rear door RH.
Fr o nt d oo r swi tc h L H A 19 ( I NP UT ) 0 V i s pr e se n t wh e n o p en in g th e f r o n t d oo r L H.
Rear door switch LH A31 (INPUT) 0 V is present when opening the rear door LH.
Fr o nt d oo r swi tc h RH A 32 ( I NP UT ) 0 V i s pr e se n t wh e n o p en in g th e f r o n t d oo r RH.
Security indicator light A33 (INPUT) Battery voltage is present when the alarm operation is activated.
Horn relay B11 (OUTPUT) Battery voltage is present when the alarm operation is activated.
Tu r n s i g n a l & h a z a r d c i r c u i t B 1 2 ( O U T P U T ) B a t t e r y v o l t a g e i s p r e s e n t w h e n t h e a l a r m o p e r a t i o n i s a c t i v a t e d .
Ground B22 0 V is constantly present.
Pow er s up p ly C 2 B at t e r y vol t ag e i s c on s ta n tl y p r e se nt .
Impact sensor C5When not applying vibration to the impact sensor, it repeats displaying
the 0 V and battery voltage in every 45 milliseconds.
Ground C8 0 V is constantly present.
Ground C9 0 V is constantly present.
CS-00273
71928
61827
51741626152514241312231122
3102921
1820
B281side
72030
619291828
51741627152614132512241123
3102922
1821
B280side
82335
722342162033
51932183117301615291428
41327
312261121025
1924
i84side
SL-27
Security System
SECURITY AND LOCKS
C: INSPECTION
1. BASIC DIAGNOSTIC PROCEDURE
Step Check Yes No
1 INITIAL CHECK.
Check keyless entry system.
Does the keyless entry system
operate normally?
Go to step 2.Check keyless
entry system.
Keyless Entr y Sys-
tem.>
2CHECK SECURITY ON/OFF SETTING.
1) Remove the key from ignition switch, and
then close all doors.
2) Press the UNLOCK button of the keyless
transmitter.
3) Check the security indicator light blinking
patterns.
Does the security indicator
light blink at 3 seconds inter-
vals?
Go to step 3.Check the secu-
rity indicator light
circuit.
SECURITY INDI-
CATOR LIGHT
CIRCUIT.,
INSPECTION,
Security System.>
3CHECK SECURITY ON/OFF SETTING.
1) Press the LOCK button of the transmitter.
2) Check the security indicator light blinking
patterns.
Is the security indicator light
blinking patterns as follows?
•When monitoring lag is set to
0 seconds: Blinks twice within
0.5 second at 2 seconds inter-
vals. When monitoring lag is
set to 30 seconds: Blinks three
times within 1 second at 0.4
second intervals.
Go to step 6.Go to step 4.
4CHANGE THE SETTING OF SECURITY SYS-
TEM.
Change the setting of security system to ON.
Is setting change completed
correctly?
Go to step 5.•Check the igni-
tion switch circuit.
TION SWITCH
CIRCUIT,
INSPECTION,
Security System.>
•Check the door
lock switch circuit.
LOCK SWITCH.,
INSPECTION,
Keyless Entr y Sys-
tem.>
5CHECK THE SETTING CHANGE OF SECU-
RITY SYSTEM.
1) Remove the key from ignition switch, and
then close all doors.
2) Press the LOCK button of the transmitter.
3) Check the security indicator light blinking
patterns.
Is the security indicator light
blinking patterns as follows?
•When monitoring lag is set to
0 seconds: Blinks twice within
0.5 second at 2 seconds inter-
vals. When monitoring lag is
set to 30 seconds: Blinks three
times within 1 second at 0.4
second intervals.
Go to step 6.Replace the body
integrated unit.
Unit.>
6CHECK SECURITY SYSTEM OPERATION.
Press the LOCK button of keyless transmitter,
and wait for 30 seconds.
Is the blinking pattern of secu-
rity indicator light blink twice
within 0.5 second in 2 seconds
cycle?
Go to step 7.Replace the body
integrated unit.
Unit.>
SL-28
Security System
SECURITY AND LOCKS
CAUTION:
•Security alarm ON/OFF setting
At the time of shipment from the factory, the security alarm is set to “ON”. However, when {Security
setting initialization} is performed with the Subaru Select Monitor, the security alarm automatically is
set to “OFF”. When security initialization has been performed, always return the ON/OFF setting for
the security alarm to “ON”.
•Siren YES/NO setting
The {Siren YES/NO} setting of the item {Unit customization} of the Subaru Select Monitor always
shall be set to “NO”. If it is set to “YES”, the horn of the security alarm will not sound.
7CHECK SECURITY ALARM OPERATION.
1) Unlock all doors using the door lock switch
on driver’s door.
2) Open any door or rear gate.
Does the security alarm oper-
ate when opening any door or
rear gate?
Go to step 8.•Check the door
switch.
DOOR SWITCH,
INSPECTION,
Security System.>
•Check the rear
gate latch switch.
GATE LATCH
SWITCH.,
INSPECTION,
Security System.>
8CHECK SECURITY ALARM OPERATION.
Check the security alarm operation.
Does all of the following secu-
rity alarm operate? •Horn
sounds •Hazard light blinks
•Security indicator light blinks
Go to step 9.•Check horn.
INSPECTION,
Security System.>
•Check the haz-
ard light.
HAZARD LIGHT
OPERATION,
INSPECTION,
Security System.>
9CHECK SECURITY ALARM CANCEL OPER-
ATION.
Press any button of transmitter while operating
security alarm. Or turn the ignition switch
OFF→ON three times.
Does all of the following secu-
rity alarm stop? •Horn •Hazard
light
Go to step 10.Check the ignition
switch circuit.
TION SWITCH
CIRCUIT,
INSPECTION,
Security System.>
10 CHECK SECURITY SYSTEM CONDITION
MEMORY.
Check that the system function properly when
the battery is not connected temporally.
DITION MEMORY, INSPECTION, Security
System.>
Does the system function prop-
erly when the battery is not
connected temporally?
Go to step 11.Replace the body
integrated unit.
Unit.>
11 CHECK IMPACT SENSOR.
Check the sensibility of impact sensor.
MENT, Impact Sensor.>
Is the sensibility set properly? Press the
UNLOCK button of
keyless transmit-
ter, and finish the
diagnosis.
Adjust the sensibil-
ity.
TIVITY ADJUST-
MENT,
ADJUSTMENT,
Impact Sensor.>
Step Check Yes No
SL-29
Security System
SECURITY AND LOCKS
NOTE:
Check the function setting of body integrated unit if any of the following symptoms appear.
•The horn does not sound even when the security system operates.
•The horn sounds when setting the security to ON using the keyless transmitter.
2. CHECK SECURITY SYSTEM CONDITION MEMORY
1) Remove the key from ignition switch.
2) Close all doors and the rear gate.
3) Open the front hood.
4) Press the LOCK button of transmitter, and then wait until the security indicator light flashes twice for 0.5
sec at intervals of 2 seconds.
5) Disconnect the ground cable from battery.
6) Connect the ground cable to the battery.
7) Check that the security indicator light blinks twice within 0.5 seconds at 2 seconds intervals. When it does
not blink, replace the body integrated unit.
3. SECURITY SYSTEM ON/OFF SETTING
1) Close all doors and rear gate, and sit down on the driver’s seat. Press the UNLOCK button of the keyless
transmitter.
2) Turn the ignition switch ON.
3) Push the centralized door lock switch down and open the driver’s side door at the same time, and hold in
this condition for 10 seconds.
4) If the security system is ON, it will turn OFF. If OFF, it will turn ON.