
SL-12
Keyless Entry System
SECURITY AND LOCKS
Description Terminal No. Measuring condition
Ignition switch (ON) A1 (INPUT) Battery voltage is present when ignition switch is turned ON.
Keyless buzzer A6 (OUTPU T)12 V is present when pressing the LOCK or UNLOCK button of transmit-
ter.
Driver’s side front door lock actuator A7 (OUTPUT) Battery voltage is present when pressing the transmitter LOCK button.
Door and rear gate lock actuator A8 (OUTPUT)Battery voltage is present when pressing the transmitter UNLOCK but-
ton.
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.
Ground A21 0 V is constantly present.
Rear gate release switch C22 (OUTPUT) 0 V is present when pressing the rear gate release switch.
Rear gate release actuator A22 (OUTPUT)The battery voltage is detected for 0.6 seconds when operating the rear
gate release switch.
Driver’s side front door lock actuator A23 (OUTPUT)Battery voltage is present when pressing the transmitter UNLOCK but-
ton.
Driver’s side power window main
switch (door lock switch)
Passenger’s side door lock sw itch
A15 0 V is present when pressing the door lock switch to the LOCK side.
A29 0 V is present when pressing the door lock switch to the UNLOCK side.
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.
Pow er s up p ly A 34 B at t e r y vol t ag e i s c on s ta n tl y p r e se nt .
Room light B3 (INPUT)•0 V is present when pressing the UNLOCK button of transmitter.
•0 V is present when opening the door.
Pow er s up p ly B 7 B at t e r y vol t ag e i s c on s ta n tl y p r e se nt .
Horn circuit B11 (INPUT) 0 V is present when pressing the panic button of transmitter
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 )0 V is present when pressing the LOCK or UNLOCK button of transmit-
ter.
Ground B22 0 V is constantly present.
Pow er s up p ly C 1 B at t e r y vol t ag e i s c on s ta n tl y p r e se nt .
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 .
Key war ning switch C7 (INPUT) Batter y voltage is present when inser ting the key into ignition switch.
Ground C8 0 V is constantly present.
Ground C9 0 V is constantly present.

SL-13
Keyless Entry System
SECURITY AND LOCKS
C: INSPECTION
1. SYMPTOM CHART
Symptom Repair order Reference
None of the functions of keyless entry
system operate.
1. Check the transmitter battery.
FUNCTION, INSPECTION, Keyless
Entry System.>
2. Check the fuse.
tem.>
3. Check the keyless entry control module.
INSPECTION, Keyless Entry Sys-
tem.>
4. Check the power supply and ground circuit for
body integrated unit.
AND GROUND CIRCUIT., INSPEC-
TION, Keyless Entry System.>
5. Check the key warning switch.
Entry System.>
6. Check the door switch.
Entry System.>
7. Check the body integrated unit.
The transmitter cannot be registered. 1. Check the key warning switch.
Entry System.>
2. Check the door lock switch signal.
Entry System.>
3. Check the ignition switch.
Entry System.>
4. Check the door switch.
Entry System.>
5. Check the body integrated unit.
Door lock or unlock does not operate.
NOTE:If the door lock control system does
not operate when using the door lock
switch, check the door lock control
system.
1. Check the transmitter battery.
FUNCTION, INSPECTION, Keyless
Entry System.>
2. Check the keyless entry control module.
INSPECTION, Keyless Entry Sys-
tem.>
3. Check the key warning switch.
Entry System.>
4. Check the door switch.
Entry System.>
5. Check the body integrated unit.

SL-15
Keyless Entry System
SECURITY AND LOCKS
2. CHECK KEYLESS TRANSMITTER BATTERY AND FUNCTION
CAUTION:
Be sure to reset the keyless transmitter of other vehicle which is registered to the inspection target
vehicle, and the vehicle to which the keyless transmitter is registered for inspection, to the condition
before performing the inspection. (Register the keyless transmitter again.)
Step Check Yes No
1CHECK TRANSMITTER BATTERY.
1) Remove the battery from the transmitter.
2) Check the battery voltage.
Is the voltage more than 2.5 V? Go to step 2.Replace the trans-
mitter battery.
2CHECK KEYLESS TRANSMITTER BAT-
TERY.
Register the keyless transmitter which oper-
ates normally on other vehicles to the inspec-
tion target vehicle.
TER WITH SUBARU SELECT MONITOR,
REPLACEMENT, Transmitter.>
1) Close all the doors and rear gate of inspec-
tion target vehicle.
2) Remove the key from ignition switch.
3) Using the keyless transmitter, lock and
unlock the doors and rear gate of vehicle.
Is the inspection target vehicle
operates lock and unlock nor-
mally?
Go to step 3.Due to vehicle
malfunction, con-
tinue the keyless
entry system diag-
nosis.
3CHECK KEYLESS TRANSMITTER BAT-
TERY.
Register the keyless transmitter of inspection
target vehicle to the another vehicle which the
keyless system operates normally.
MITTER WITH SUBARU SELECT MONITOR,
REPLACEMENT, Transmitter.>
Is the keyless transmitter regis-
tered correctly?
Go to step 4.Replace the trans-
mitter.
TION OF KEY-
LESS
TRANSMITTER
WITH SUBARU
SELECT MONI-
TO R , R E P L ACE -
MENT,
Tr a n s m i t t e r . >
4CHECK KEYLESS TRANSMITTER BAT-
TERY.
Check the registered keyless transmitter bat-
tery.
1) Close all the doors and rear gate of the
vehicle which operates keyless system nor-
mally.
2) Remove the key from ignition switch.
3) Using the keyless transmitter, lock and
unlock the doors and rear gate of vehicle.
Is the vehicle operates lock
and unlock normally?
The transmitter is
OK.
Replace the trans-
mitter.
TION OF KEY-
LESS
TRANSMITTER
WITH SUBARU
SELECT MONI-
TO R , R E P L ACE -
MENT,
Tr a n s m i t t e r . >

SL-18
Keyless Entry System
SECURITY AND LOCKS
6. CHECK DOOR SWITCH
Step Check Yes No
1CHECK DOOR SWITCH CIRCUIT.
Measure the voltage between the body inte-
grated unit harness connector terminal and
chassis ground.
Connector & terminal
Front door RH:
(i84) No. 32 (+) — Chassis ground (–):
Front door LH:
(i84) No. 19 (+) — Chassis ground (–):
Rear door RH:
(i84) No. 18 (+) — Chassis ground (–):
Rear door LH:
(i84) No. 31 (+) — Chassis ground (–):
Rear gate:
(i84) No. 17 (+) — Chassis ground (–):
Is the voltage 0 V when each
door or rear gate is opened?
Go to step 2.Go to step 3.
2CHECK DOOR SWITCH CIRCUIT.
Measure the voltage between the body inte-
grated unit harness connector terminal and
chassis ground.
Connector & terminal
Front door RH:
(i84) No. 32 (+) — Chassis ground (–):
Front door LH:
(i84) No. 19 (+) — Chassis ground (–):
Rear door RH:
(i84) No. 18 (+) — Chassis ground (–):
Rear door LH:
(i84) No. 31 (+) — Chassis ground (–):
Rear gate:
(i84) No. 17 (+) — Chassis ground (–):
Is the voltage more than 10 V
when each door or rear gate is
closed?
The door switch is
OK.
Go to step 3.
3CHECK DOOR SWITCH.
1) Disconnect the door switch harness con-
nector.
2) Measure the resistance between door
switch terminals.
Connector & terminal
(R12) Front RH door switch:
(R9) Front LH door switch:
(R16) Rear RH door switch:
(R22) Rear LH door switch:
No. 1 — No. 3:
Rear gate latch switch: (D140) No. 3 —
No. 4:
Is the resistance more than 1
MΩ when door switch is
pushed?
Go to step 4.Replace the door
switch.
4CHECK DOOR SWITCH.
Measure the resistance between door switch
terminals.
Connector & terminal
(R12) Front RH door switch:
(R9) Front LH door switch:
(R16) Rear RH door switch:
(R22) Rear LH door switch:
No. 1 — No. 3:
Rear gate latch switch: (D140) No. 3 —
No. 4:
Is the resistance less than 1 Ω
when door switch is released?
Check the harness
for open or shor t
between body inte-
grated unit and
door switch.
Replace the door
switch.

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-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-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.>