Security and alarm for e36 318i

What alarm ? Horn an do the lights flash ?
The content theft deterrent (CTD) system, when armed, is designed to deter vehicle content theft by pulsing the horns and exterior lamps for approximately 30 seconds when an unauthorized vehicle entry is detected. However, the CTD System does not affect engine starting.
An unauthorized entry can be any of the following with the CTD System armed:
• When the liftgate or liftglass has been opened without the use of the keyless entry system or without first being unlocked.
• When any door is opened without first being unlocked using the keyless entry transmitter.
• When the driver door is opened without being first unlocked using the driver door cylinder.
The components of the system are:
• The body control module
• The door ajar switches
• The driver door key cylinder switch
• The liftgate/liftglass ajar switch

Disarming an Armed System/Silencing an Alarm
If system arming has occurred, it must be disarmed.
Important: Manually unlocking the doors does not disable the content theft deterrent (CTD) armed mode. Also, disconnecting the battery or pulling fuses does not disable the armed mode, as the BCM stores the CTD status in memory.
To disarm the CTD system perform one of the following:
• Press the UNLOCK button on the keyless entry transmitter.
• Unlock the driver door using the door key cylinder.
• Insert a valid key into the ignition and start the vehicle.

What alarm ? content theft alarm ? No fuse
When armed, the content theft deterrent (CTD) system is designed to deter vehicle content theft by pulsing the horns and exterior lamps for approximately 30 seconds when an unauthorized vehicle entry is detected. However, the CTD system does not affect engine starting.
An unauthorized entry can be any of the following with the CTD system armed:
• When any door is opened without first being unlocked using the keyless entry transmitter
• After a battery reconnect, if the battery was disconnected with the CTD system armed
The components of the CTD system are:
• Body Control Module (BCM)
• Security indicator
• Door ajar switches
• Liftgate ajar switch


Is this the alarm your talking about ?

Disarming an Armed System/Silencing an Alarm
If system arming has been requested by the keyless entry transmitter, it must be disarmed.
Important: Using the power door unlock switch or manually unlocking the doors does not disable the CTD armed mode. Also, disconnecting the battery or pulling fuses does not disable the armed mode, since the BCM stores the CTD mode status in memory.
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To disarm the CTD system in arm pending mode, SECURITY indicator flashing and doors open, perform 1 of the following:

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Press the UNLOCK button on the keyless entry transmitter.

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Insert a valid key into the ignition and start the vehicle.

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To disarm the CTD system in the armed mode:

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Press the UNLOCK button on the keyless entry transmitter.

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Insert a valid key into the ignition and start the vehicle.

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To disarm the CTD system when activated, alarming mode.

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Press the UNLOCK button on the keyless entry transmitter.

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Insert a valid key into the ignition and start the vehicle.

Subaru Keyless Entry Security Alarm Immobilizer Key Remote Start Systems...

start with this link its explains how the security system works

Hi Edward:
In dashboard, your THEFT warning light is blinking? If the answer is yes, your antotheft system is activated and will need restart and resynchonized. This occurs when battery is disconneting or other un-authorized key is used.

Vehicles equipped with Vehicle Theft Security System (VTSS) are protected from vehicle theft andunauthorized entry. VTSS system monitors vehicle doors, hood, liftgate and ignition. If an attempt is made toenter or operate vehicle without proper disarming of system, vehicle horn will sound, headlights, taillights andparking lights will flash, and engine will be prevented from running.

VTSS system arms when ignition is off, vehicle is exited, door is locked using power door locks and door isclosed. Alternatively a remote keyless entry transmitter can be used to arm system. A security light on panelwill flash for 15 seconds to indicate system is arming. At the end of 15 seconds, if no door, hood or tailgate isopened, system is armed.

If alarm is triggered, horn will sound for 3 minutes, and lights will flash for an additional 15 minutes. If hornsounds 3 times when either front door is unlocked, vehicle has been tampered with (tamper alert). If doors arelocked manually or with key, system will not arm (manual override). If an unauthorized entry does occur, VTSSsystem signals Powertrain Control Module (PCM) to prevent vehicle from being driven. PCM reduces injectorpulse width to zero, causing a start and stall condition.

System can be disarmed with the keyless entry transmitter, or by using key to enter vehicle. In both instances, if alarm was activated, vehicle alarm will be terminated. If battery is disconnected and reconnected, alarm will beactivated and it will be necessary to disarm system as indicated.

Please, send us some email account to send you this procedure in PDF format file.

did it start before you changed the battery?when you say the alarm goes off do you mean the factory alarm or did you have it installed aftermarket? is there a theft or security light flashing inside?let me know maybe i can help

Opening the drivers door with the key is supposed to shut down the factory security but the drivers key cylinder usually goes bad. You will have to unlock the rear tail gate lock cylinder with the key and that will shut down the factory security, before opening the drivers door.Your other option is to have an aftermarket keyless entry system installed, which will open the doors remotely while shut down the factory security at the same time.

what do you mean keyless entry? don't you have a remote unlocker?

I went to a business that installs keyless entry, alarms, and stereo's and they told me for about $250 they could add a a keyless entry with alarm to our 2008 Yaris. Our Yaris has automatic locks not manual locks...so that might be the deciding factor.

if key fob not working change battery as to keyless entry module location and accessing it notify a dealer its part of ur security system and tampering with it can cause u to disable ur vehicle to the point of having it towed because ur locked out from starting it