2004 SUBARU FORESTER door lock

SL-13
SECURITY AND LOCK
Door Lock Control System
7. CHECK DOOR LOCK ACTUATOR (DOUBLE LOCK) AND CIRCUIT
3 CHECK KEY CYLINDER LOCK SWITCH.
1) Disconnect the key cylinder lock switch
connector.
2) Measure the resistance between key cylin-
der lock switch terminals when turning the key
cylinder lock switch to lock position.
Te r m i n a l s
No. 1 — No. 2Is the resistance less than 1
Ω?Go to step 4.Replace the key
cylinder lock
switch.
4 CHECK KEY CYLINDER LOCK SWITCH.
Measure the resistance between key cylinder
lock switch terminals when turning the key cyl-
inder lock switch to unlock position.
Te r m i n a l s
No. 2 — No. 3Is the resistance less than 1
Ω?Check the harness
for open or short
circuits between
double lock mod-
ule and key cylin-
der lock switch.Replace the key
cylinder lock
switch.
Step Check Yes No
1 CHECK OUTPUT SIGNAL.
Measure the resistance between double lock
module harness connector terminal and chas-
sis ground when turning the key cylinder lock
switch to lock position.
Connector & terminal
(B324) No. 3 (+) — Chassis ground (
−):Is the voltage more than 10 V? Go to step 2.Replace the dou-
ble lock module.
2 CHECK OUTPUT SIGNAL.
Measure the resistance between double lock
module harness connector terminal and chas-
sis ground when turning the key cylinder lock
switch to unlock position.
Connector & terminal
(B324) No. 6 (+) — Chassis ground (
−):Is the voltage more than 10 V? Go to step 3.Replace the dou-
ble lock module.
3 CHECK DOOR LOCK ACTUATOR.
Check door lock actuator.
Front door lock actuator: Door Lock Actuator.>
Rear door lock actuator: Door Lock Actuator.>Is the door lock actuator nor-
mal?Check the harness
for open or short
circuits between
double lock mod-
ule and door lock
actuator.Replace the door
lock actuator. Step Check Yes No

SL-14
SECURITY AND LOCK
Keyless Entry System
3. Keyless Entry System
A: WIRING DIAGRAM

B: ELECTRICAL SPECIFICATION
Content Terminal No. Measuring condition
Key warning switch 1 (INPUT) Battery voltage is present when inserting the key into ignition switch.
Registration connector 2 (INPUT) 0 V is present when connecting the registration connector.
Door switch 3 (INPUT) 0 V is present when any door is open.
Power supply 5 Battery voltage is constantly present.
Empty 6 —
Empty 7 —
Door lock switch (Unlock) 8 (INPUT) 0 V is present when the door lock switch is turned to unlock position.
Empty 9 —
Door lock switch (Lock) 10 (INPUT) 0 V is present when the door lock switch is turned to lock position.
Room light/Ignition switch illumina-
tion11 (OUTPUT) 0 V is present when pressing the transmitter OPEN button.
 0 V is present when any door is open.
Turn signal light (Left) 12 (OUTPUT)Battery voltage is present when pressing the transmitter OPEN or LOCK
button.
Turn signal light (Right) 13 (OUTPUT)Battery voltage is present when pressing the transmitter OPEN or LOCK
button.
Ground 14 0 V is constantly present.
Power supply (Hazard light) 15 Battery voltage is constantly present.
Power supply 16 Battery voltage is constantly present.
Door, rear gate lock actuator (With-
out double lock) or double lock mod-
ule (With double lock)17 (OUTPUT) Battery voltage is present when pressing the transmitter OPEN button.
Door, rear gate lock actuator (With-
out double lock) or double lock mod-
ule (With double lock)18 (OUTPUT) Battery voltage is present when pressing the transmitter LOCK button.
SL-00036
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18

SL-15
SECURITY AND LOCK
Keyless Entry System
C: INSPECTION
1. SYMPTOM CHART
Symptom Repair order Reference
None of the functions of keyless entry
system operate.1. Check the transmitter battery. TER BATTERY, INSPECTION, Key-
less Entry System.>
2. Check the fuse. INSPECTION, Keyless Entry Sys-
tem.>
3. Check the keyless entry control module power
supply and ground circuit. SUPPLY AND GROUND CIRCUIT,
INSPECTION, Keyless Entry Sys-
tem.>
4. Replace the keyless entry control module. Module.>
The transmitter cannot be registered. 1. Check the transmitter battery. TER BATTERY, INSPECTION, Key-
less Entry System.>
2. Check the registration connector circuit. TION CONNECTOR CIRCUIT,
INSPECTION, Keyless Entry Sys-
tem.>
3. Check the door lock switch and circuit. SWITCH, INSPECTION, Keyless
Entry System.>
4. Replace the keyless entry control module. Module.>
The door lock or unlock does not
operate.
N
OTE:
If the door lock control system does
not operate when using the door lock
switch, check the door lock control
system. Door Lock Control System.>1. Check the transmitter battery. TER BATTERY, INSPECTION, Key-
less Entry System.>
2. Make sure the registration connector is not
connected.Make sure the registration connector
is not connected because keyless
entry system does not operate during
the registration connector connected.
3. Check the key warning switch. ING SWITCH, INSPECTION, Keyless
Entry System.>
4. Check the door switch. SWITCH, INSPECTION, Keyless
Entry System.>
5. Check output signal to double lock module.
(With double lock) SIGNAL TO DOUBLE LOCK MOD-
ULE, INSPECTION, Keyless Entry
System.>
6. Replace the keyless entry control module. Module.>
The hazard light does not operate. 1. Check the hazard light operation. LIGHT OPERATION, INSPECTION,
Keyless Entry System.>
2. Replace the keyless entry control module. Module.>

SL-18
SECURITY AND LOCK
Keyless Entry System
6. CHECK DOOR SWITCH
Step Check Yes No
1 CHECK DOOR SWITCH CIRCUIT.
Measure the voltage between keyless entry
control module harness connector terminal
and chassis ground.
N
OTE:
The voltage is not 0 V due to noise, etc.
Connector & terminal
(B176) No. 3 (+) — Chassis ground (
−):Is the voltage approx. less than
0 V when any one of the doors
or rear gate is opened?Go to step 2.Go to step 3.
2 CHECK DOOR SWITCH CIRCUIT.
Measure the voltage between keyless entry
control module harness connector terminal
and chassis ground.
Connector & terminal
(B176) No. 3 (+) — Chassis ground (
−):Is the voltage more than 10 V
when all doors and rear gate
are closed?The door switch is
OK.Go to step 3.
3 CHECK DOOR SWITCH.
1) Disconnect the door switch harness con-
nector.
2) Measure the resistance between door
switch terminals.
Te r m i n a l
Door switch No. 1 — No. 3:
Rear gate latch switch No. 1 — No. 2:Is the resistance more than 1
MΩ when the door switch is
pressed?Go to step 4.Replace the door
switch.
4 CHECK DOOR SWITCH.
Measure the resistance between door switch
terminals.
Te r m i n a l
Door switch No. 1 — No. 3:
Rear gate latch switch No. 1 — No. 2:Is the resistance less than 1 Ω
when the door switch is
released?Check the harness
for open circuits or
shorts between
keyless entry con-
trol module and
door switch.Replace the door
switch.

SL-20
SECURITY AND LOCK
Keyless Entry System
8. CHECK HAZARD LIGHT OPERATION
9. CHECK ROOM LIGHT OPERATION
Step Check Yes No
1 CHECK HAZARD LIGHT OPERATION.
Make sure the hazard light blinks when hazard
switch is turned ON.Does the hazard light blink? Go to step 2.Check the hazard
light circuit.
2 CHECK OUTPUT SIGNAL.
1) Remove the key from ignition switch.
2) Close all doors and rear gate.
3) Measure the voltage between keyless entry
control module harness connector terminal
and chassis ground when LOCK or OPEN but-
ton of transmitter is pressed.
Connector & terminal
(B176) No. 12, No. 13 (+) — Chassis
ground (
−):Is the voltage more than 10 V? Check the harness
for open or short
between keyless
entry control mod-
ule and turn signal
lights.Replace the key-
less entry control
module.
Step Check Yes No
1 CHECK ROOM LIGHT OPERATION.
Make sure the room light illuminates when the
room light switch is turned ON.Does the room light illuminate? Go to step 2.Check the room
light circuit.
2 CHECK HARNESS BETWEEN ROOM LIGHT
AND KEYLESS ENTRY CONTROL MODULE
(WITHOUT DOUBLE LOCK) OR DOUBLE
LOCK MODULE (WITH DOUBLE LOCK).
1) Disconnect the keyless entry control mod-
ule or double lock module harness connector
and room light harness connector.
2) Measure the resistance between keyless
entry control module or double lock module
harness connector terminal and room light har-
ness connector terminal.
Connector & terminal
Without double lock:
(B176) No. 11 — (R52) No. 2:
With double lock:
(B325) No. 1 — (R52) No. 2:Is the resistance less than 10
Ω?The room light
operation circuit is
OK.Check the harness
for open circuits or
shorts between
keyless entry con-
trol module (With-
out double lock) or
double lock mod-
ule (With double
lock) and room
light.

SL-22
SECURITY AND LOCK
Front Inner Remote
4. Front Inner Remote
A: REMOVAL
1) Remove the door trim. AL, Front Door Trim.>
2) Remove the sealing cover. MOVAL, Front Sealing Cover.>
3) Remove a screw and two cables.
4) Remove the front inner remote.
B: INSTALLATION
Install in the reverse order of removal.
NOTE:
Make sure the inner remote works properly after in-
stallation.
C: INSPECTION
1) Make sure the cable is not deformed.
2) Make sure the lever and cable work smoothly.
NOTE:
If the remote handle is metalclad type, make sure
that grease is sufficiently applied to the cable con-
nection portion. If the grease is insufficient, apply
additional grease to the cable connection portion
before connecting the cable.
SL-00007

SL-23
SECURITY AND LOCK
Front Outer Handle
5. Front Outer Handle
A: REMOVAL
1) Remove the door trim. AL, Front Door Trim.>
CAUTION:
Do not use excessive force to remove the door
panel. This will deform it.
2) Remove the sealing cover. MOVAL, Front Sealing Cover.>
3) Remove the front inner remote. REMOVAL, Front Inner Remote.>
4) Remove the cable from cable holder to make ca-
ble move freely.
5) Remove two bolts and rod clamp, and then re-
move the front outer handle.
NOTE:
The rear bolt can be removed from service hole (A)
of inner panel by adjusting the glass position.
B: INSTALLATION
Install in the reverse order of removal.
NOTE:
Make sure the outer handle works properly after in-
stallation.
C: INSPECTION
1) Make sure the cable is not deformed.
2) Make sure the lever and rod work smoothly.
SL-00009
(A)

SL-24
SECURITY AND LOCK
Front Door Latch Assembly
6. Front Door Latch Assembly
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Remove the front door trim. MOVAL, Front Door Trim.>
3) Remove the sealing cover. MOVAL, Front Sealing Cover.>
4) Remove the front inner remote. REMOVAL, Front Inner Remote.>
5) Remove two bolts and nut, and then remove the
guide rail.
6) Remove the three screws and bolt.
7) Remove the front door latch assembly, and then
disconnect the connector.
B: INSTALLATION
Install in the reverse order of removal.
NOTE:
Make sure the lock works properly after installation.
C: INSPECTION
1) Make sure the cable is not deformed.
2) Make sure the lever, rod and cable work smooth-
ly.
SL-00008
SL-00010