SUBARU TRIBECA 2009 1.G Service Workshop Manual
Manufacturer: SUBARU, Model Year: 2009, Model line: TRIBECA, Model: SUBARU TRIBECA 2009 1.GPages: 2453, PDF Size: 46.32 MB
Page 641 of 2453
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.
Page 642 of 2453
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.
Page 643 of 2453
SL-14
Keyless Entry System
SECURITY AND LOCKS
The panic alarm does not operate. 1. Check the keyless transmitter batter y and func-
tion.
FUNCTION, INSPECTION, Keyless
Entry System.>
Check the horn operation.
Entry System.>
3. Check the body integrated unit.
Buzzer or hazard light does not oper-
ate.
1. Check the buzzer operation.
Entry System.>
2. Check the hazard light operation.
Keyless Entr y System.>
3. Check the body integrated unit.
Room light does not operate. 1. Check the room light operation.
Keyless Entr y System.>
2. Check the body integrated unit.
Ignition switch illumination does not
operate.
1. Check the ignition switch illumination.
TION, Keyless Entry System.>
2. Check the body integrated unit.
Symptom Repair order Reference
Page 644 of 2453
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 . >
Page 645 of 2453
SL-16
Keyless Entry System
SECURITY AND LOCKS
3. CHECK FUSE
4. CHECK KEYLESS ENTRY CONTROL MODULE
Step Check Yes No
1CHECK FUSE.
Remove and visually check the fuse No. 3 (in
the fuse and relay box) and No. 7 (in the fuse
and relay box).
Is the fuse blown out? Replace the fuse
with a new one.
Check the power
supply and ground
circuit.
BODY INTE-
GRATED UNIT
POWER SUPPLY
AND GROUND
CIRCUIT.,
INSPECTION,
Keyless Entr y Sys-
tem.>
Step Check Yes No
1CHECK DIAGNOSTIC TROUBLE CODE
(DTC).
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 {Diagnostic Trouble Code}.
5) Check that the DTC is displayed.
Is DTC B0500 “Keyless UART
com. Malfunction” displayed?
Go to step 2.Keyless entry con-
trol module is nor-
mal.
2CHECK POWER SUPPLY.
1) Disconnect the keyless entry control mod-
ule harness connector.
2) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(i96) No. 4 (+) — Chassis ground (–):
Is the voltage more than 10 V? Go to step 3.Check the harness
for open circuits
and shorts
between the key-
less entry control
module and fuse.
3CHECK GROUND CIRCUIT.
Measure the resistance between harness con-
nector terminal and chassis ground.
Connector & terminal
(i96) No. 7 — Chassis ground:
Is the resistance less than 10
Ω?
Go to step 4.Repair the har-
ness.
4CHECK KEYLESS ENTRY CONTROL MOD-
ULE CIRCUIT.
1) Disconnect the harness connector of body
integrated unit.
2) Measure the resistance between harness
connector terminals.
Connector & terminal
(i84) No. 9 — (i96) No. 3:
Is the resistance less than 10
Ω?
Replace the key-
less entry control
module.
Entry Control Mod-
ule.>
Repair the har-
ness.
Page 646 of 2453
SL-17
Keyless Entry System
SECURITY AND LOCKS
5. CHECK BODY INTEGRATED UNIT POWER SUPPLY AND GROUND CIRCUIT.
Step Check Yes No
1CHECK POWER SUPPLY OF BODY INTE-
GRATED UNIT.
1) Disconnect the harness connector of body
integrated unit.
2) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(B280) No. 7 (+) — Chassis ground (– ):
(B281) No. 2 (+) — Chassis ground (– ):
Is the voltage more than 10 V? Go to step 2.Check the harness
for open or shor t
between body inte-
grated unit and
fuse.
2CHECK BODY INTEGRATED UNIT GROUND
CIRCUIT.
1) Disconnect the harness connector of body
integrated unit.
2) Measure the resistance between harness
connector terminal and chassis ground.
Connector & terminal
(B280) No. 22 — Chassis ground:
(B281) No. 8 — Chassis ground:
(B281) No. 9 — Chassis ground:
Is the resistance less than 10
Ω?
Check the body
integrated unit.
Diagnostic Proce-
dure.>
Repair the har-
ness.
Page 647 of 2453
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.
Page 648 of 2453
SL-19
Keyless Entry System
SECURITY AND LOCKS
7. CHECK KEY WARNING SWITCH
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 KEY WARNING SWITCH CIRCUIT.
1) Disconnect the harness connector of body
integrated unit.
2) Insert the key into ignition switch. (LOCK
position)
3) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(B281) No. 7 (+) — Chassis ground (– ):
Is the voltage more than 10 V? Go to step 3.Go to step 4.
3CHECK KEY WARNING SWITCH CIRCUIT.
1) Remove the key from ignition switch.
2) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(B281) No. 7 (+) — Chassis ground (– ):
Is the voltage 0 V? The key warning
switch is OK.
Go to step 4.
4 CHECK KEY WARNING SWITCH.
1) Disconnect the key warning switch harness
connector.
2) Insert the key into ignition switch. (LOCK
position)
3) Measure the resistance between key warn-
ing switch terminals.
Connector & terminal
(B350) No. 3 — No. 4:
Is the resistance less than 1
Ω?
Go to step 5.Replace the key
warning switch.
5 CHECK KEY WARNING SWITCH.
1) Remove the key from ignition switch.
2) Measure the resistance between key warn-
ing switch terminals.
Connector & terminal
(B350) No. 3 — No. 4:
Is the resistance more than 1
MΩ?
Check the follow-
ing:
•Harness for
open circuits
and shorts
between the
key warning
switch and fuse
•Harness for
open or short
between the
body integrated
unit and key
warning switch
Replace the key
warning switch.
Page 649 of 2453
SL-20
Keyless Entry System
SECURITY AND LOCKS
8. CHECK ROOM LIGHT OPERATION
9. CHECK HAZARD LIGHT OPERATION
Step Check Yes No
1CHECK ROOM LIGHT OPERATION.
Make sure the room light illuminates when the
room light switch is turned to ON.
Does the room light illuminate? Go to step 2.Check the room
light circuit.
2CHECK HARNESS BETWEEN ROOM LIGHT
AND BODY INTEGRATED UNIT.
1) Disconnect the body integrated unit har-
ness connector and room light harness con-
nector.
2) Measure the resistance between the body
integrated unit harness connector terminal and
room light harness connector terminal.
Connector & terminal
(B280) No. 3 — (R52) No. 2:
Is the resistance less than 10
Ω?
The room light
operation circuit is
OK.
Check the harness
for open or shor t
between body inte-
grated unit and
room light.
Step Check Yes No
1CHECK HAZARD LIGHT OPERATION.
Make sure the hazard light blinks when hazard
switch is turned to ON.
Does the hazard light blink? Go to step 2.Check the hazard
light circuit.
2CHECK OUTPUT TO HAZARD LIGHT.
1) Turn the ignition switch to OFF.
2) Disconnect the key warning switch harness
connector.
3) Connect the Subaru Select Monitor to data
link connector.
4) Turn the ignition switch to ON.
5) Select {Integ. unit} from main menu.
6) Select {ECU customizing}.
7) Check {Hazard answer-back setup}, and
then switch to ON setting if necessary.
8) Select the {Current Data Display & Save}.
9) When operate the LOCK/UNLOCK button
of transmitter, check the hazard output signal
of body integrated unit.
Is output signal is present
when operating the transmitter
LOCK/UNLOCK button?
Go to step 3.Check the body
integrated unit.
Diagnostic Proce-
dure.>
3CHECK CIRCUIT OF HAZARD LIGHT.
1) Disconnect the harness connector of body
integrated unit.
2) Disconnect the turn signal & hazard unit
harness connector.
3) Measure the resistance between harness
connector terminals.
Connector & terminal
(B280) No. 12 — (B32) No. 8:
Is the resistance less than 10
Ω?
Check the body
integrated unit.
Diagnostic Proce-
dure.>
Repair the har-
ness.
Page 650 of 2453
SL-21
Keyless Entry System
SECURITY AND LOCKS
10.CHECK REAR GATE RELEASE ACTUATOR OPERATION
Step Check Yes No
1CHECK REAR GATE RELEASE ACTUATOR
OPERATION.
1) Turn the ignition switch to OFF.
2) Disconnect the key warning switch harness
connector.
3) Connect the Subaru Select Monitor to data
link connector.
4) Turn the ignition switch to ON.
5) Select {Integ. unit} from main menu.
6) Select the {Current Data Display & Save}.
7) Check the rear gate release output signal of
body integrated unit when operating the LOCK/
UNLOCK button of keyless transmitter.
Is output signal is present
when operating the transmitter
LOCK/UNLOCK button?
Go to step 2.Check the body
integrated unit.
Diagnostic Proce-
dure.>
2CHECK THE CIRCUIT OF REAR GATE RE-
LEASE ACTUATOR.
1) Disconnect the harness connector of body
integrated unit.
2) Disconnect the rear gate release actuator
harness connector.
3) Measure the resistance between harness
connectors.
Connector & terminal
(i84) No. 22 — (D140) No. 1:
Is the resistance less than 10
Ω?
Go to step 3.Repair the har-
ness.
3CHECK CIRCUIT OF HAZARD LIGHT.
1) Check the ground circuit of rear gate
release actuator
2) Disconnect the rear gate release actuator
harness connector.
3) Measure the resistance between harness
connector terminal and chassis ground.
Connector & terminal
(D140) No. 2 — Chassis ground:
Is the resistance less than 10
Ω?
Check the trunk lid
lock actuator.
Rear Gate Latch
Assembly.>
Repair the har-
ness.