2004 SUBARU IMPREZA WRX ECU

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Keys and doors
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To enter the programming mode:0
1. Press “UNLOCK/DISARM” button to disarm the se-
curity system. (If your vehicle is equipped with the op-
tional security system.) 2. Open the driver’s door and sit in the driver’s seat.
3. Close the driver’s door.
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Keys and doors
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1) Press any button.
3. Press and release any button on the transmitter
that you wish to program into the system. The horn will
sound two times to indicate that the transmitter has
been programmed.
Any additional transmitters can also be programmed
at this time. Repeat steps 1 through 3 for an additional
transmitter.
To exit the programming mode:
1. After all of your transmitters are programmed, re-
move the key from the ignition switch.
The horn will sound three times to indicate that the system has exited the programming mode.
2. Make sure that the keyless entry system properly
operates by operating each transmitter. !
Deleting old transmitter codes
The control unit of the keyless entry system has four
memory locations to store transmitter codes, giving it
the ability to operate with up to four transmitters. When
you lose a transmitter, the lost transmitter’s code re-
mains in the memory. For security reasons, lost trans-
mitter codes should be deleted from the memory.
To delete old transmitter codes, program four trans-
mitter codes into the system. If you have only one cur-
rent transmitter, program it four times. If you have two
current transmitters, program each one twice. If you
have three current transmitters, program two of them
once and the third one twice. This process will leave
only current transmitter codes in the system’s memo-ry.
NOTE
Make sure no one else is operating their keyless
entry system within range of your vehicle when
programming transmitters. If someone else were
to operate their remote transmitter while you are
programming your transmitters, it is possible that
their transmitter code will be programmed into
your system, allowing them unauthorized access
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Keys and doors
to your vehicle.Security system (if equipped)
The security system helps to protect your vehicle and
valuables from theft. The horn sounds and the turn
signal lights flash if someone attempts to break into
your vehicle. The starter motor is also interrupted to
prevent starting the vehicle without a key.
The system can be armed and disarmed with the re-
mote transmitter.
The system does not operate when the key is inserted
into the ignition switch. !
System operation
The security system will give the following alarm indi-
cations when triggered:" The turn signal lights will flash and the horn will
sound intermittently. In addition, the starter motor will
not operate." The alarm automatically resets after 30 seconds;
however, the alarm will reactivate if the vehicle is tam-
pered with again. The alarm will continue for six times
if any sensor continues to be activated.
The alarm is triggered by: " Opening a door, the rear gate or trunk lid.
" Application of physical shock to the vehicle (e.g.

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Keys and doors
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breaking glass or forced entry). Note that there are two
alarm levels for shock: warning and alarm. In warning
mode, the alarm detects lower level vibrations and
triggers 2 warning chirps on the horn and two flashes
on the lights as a deterrent to would be vandals. In
alarm mode, higher levels of shock are detected and
the system will go into full alarm. "Ignition switch being turned on while in armed state.
NOTE
With the valet mode selected, the security system
does not operate when the remote transmitter is
used for locking and unlocking. The security sys-
tem indicator light in the combination meter flash-
es twice per second to show that the valet mode is
selected. For details, refer to “Valet mode” in this
section. ! Arming the system
! To arm the system using remote transmitter
1. Close all windows.
2. Remove the key from the ignition switch.
3. Open the doors and get out of the vehicle.
4. Make sure that the engine hood (and the trunk lid)
are locked.
5. Close all doors (and the rear gate on the wagon). 1) Press to Arm the system.
2) Press to Disarm the system.
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Keys and doors
Security system-indicator light
6. Briefly press the “LOCK/ARM” button (for less than
two seconds). All doors (and the rear gate on the wag-
on) will lock, an electronic chirp will sound one time,
the turn signal lights will flash one time and the indica-
tor light starts flashing slowly (approximately once ev-
ery two seconds).
If any of the doors (or the rear gate or the trunk lid) is
not fully closed, an electronic chirp sounds five times,
the turn signal lights flash five times to alert you that
the doors (or the rear gate or the trunk lid) are not
properly closed. When you close the door, the system
will automatically arm and doors will automatically lock. !
To arm the system using power door locking
switches
1. Close all windows.
2. Remove the key from the ignition switch.
3. Open the doors and get out of the vehicle.
4. Make sure that the engine hood (and the trunk lid)
are locked.
5. Close the doors (and the rear gate on the wagon)
but leave only the driver’s door or the front passen-
ger’s door open.
6. Push the front side (“LOCK” side) of the power door
locking switch to set the door locks.
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7. Close the door. An electronic chirp will sound one
time, the turn signal lights will flash one time and the
indicator light will start flashing slowly (approximately
once every two seconds) to inform you that the system
has armed.
NOTE
The system can be armed even if the engine hood
and/or the windows are opened. Always make
sure that they are fully closed before arming the
system. !Disarming the system
Briefly press the “UNLOCK/DISARM” button (for less
than two seconds) on the remote transmitter. The driv-
er’s door will unlock, an electronic chirp will sound two
times, the turn signal lights will flash two times and the
indicator light will go off.
To unlock all other doors (and the rear gate on the
wagon), briefly press the “UNLOCK/DISARM” button a
second time. ! Emergency disarming
If you cannot disarm the system using the transmitter
(i.e. the transmitter is lost, broken or the transmitter
battery is too weak), you can disarm the system with-
out using the transmitter. To disarm the system:
1. Unlock the door with the key and then open the
door.
2. The alarm will sound.
3. Insert the key into the ignition switch and cycle it
from the “LOCK” to the “ON” position three (3) times
within 5 seconds
.
! Valet mode
When you choose the valet mode, the security system
does not operate. In valet mode, the remote transmit-
ter is used only for locking and unlocking the doors
(and rear gate on the wagon) and panic activation.
To enter the valet mode, open the driver’s door and
keep the “UNLOCK/DISARM” button depressed for
more than two seconds . The security system status
indicator light will continue to flash two times per sec-
ond indicating that the system is in the valet mode.
To exit valet mode, open the driver’s door and keep
the “UNLOCK/DISARM” button pressed for more
than two seconds . The indicator will stop flashing.
NOTE
If the remote transmitter is used to lock or unlock
the doors while the valet mode is selected, the
turn signal lights do not flash but an electronic

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Keys and doors
In passive mode, the system will automatically
activate the alarm but WILL NOT automatically
lock the doors. In order to lock the doors you
must either lock them as indicated in step 4
above or with the key once they have been
closed. Failure to lock the doors manually will
result in a higher security risk.
! Disarming the system
To disarm the system, briefly press the “UNLOCK/
DISARM” button on the transmitter. " Tripped sensor identification
If an electronic chirp sounds four times and the turn
signal lights flash four times when you disarm the sys-
tem, this indicates that the alarm was triggered. The
number of times the indicator light flashes indicates
what sensor caused the alarm condition.
To enter identification mode:
1. Open the driver’s door and leave it open.
2. Turn the ignition switch to the “ON” position twotimes. (“LOCK” → “ON” → “LOCK” → “ON” →
“LOCK”)
3. The indicator light will start flashing. The indicator light provides the following indications.
Flashing one time:
Any door, the rear gate or the
trunk lid has been opened.
Flashing three times: The impact sensor in the sys-
tem’s unit has been activated. This may indicate that
your vehicle has been shocked or tampered with by
some outside force and/or unauthorized person.
Flashing four times: The ignition switch has been
turned on or the battery has been disconnected.
NOTE
The battery must be reconnected before the indi-
cator light will flash.
To exit this mode, close the door and turn the ignition
switch to the “ON” position.

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trunk, the handle allows them to open the lid. The han-
dle is located on the inside of the trunk lid.
To open the trunk lid from inside the trunk, press the
yellow handle downward as indicated by the arrow on
the handle.
This operation unlocks the trunk lid. Then, push up the
lid.
The handle is made of material that remains lumines-
cent for approximately an hour in the dark trunk space
after it is exposed to ambient light even for a short time.
Never allow any child to get in the trunk and
play with the release handle. If the driver starts
the vehicle without knowing that a child is in-
side the trunk and the child opens the lid using
the release handle, the child could fall out and
be killed or seriously injured.
"Do not close the lid while gripping the release
handle. The handle may be damaged. " Do not use the handle as a hook to fasten
straps or ropes to secure your cargo in the
trunk. Such use may result in damage of the
handle. " Load the trunk so that cargo can not strike
the release handle. If the cargo hits the handle
while the vehicle is being driven, the handle
may be pushed down and the trunk lid may
open. That may cause cargo to fall out of the
trunk, which could create a traffic safety haz-
ard.
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