How to open the trunk using the starline a93 key fob button combination

In this article, auto electrician Alexey Molotov answers the question “How to open the trunk with a starline a93 key fob combination of buttons?”

We have already written about the general characteristics of one of the most popular alarms in the StarLine line, as well as about the features of setting up auto-start on alarms in this series. However, the functionality of the StarLine modular platform is rich, so sometimes you have to understand the little things.

Trunk lock control

The servo drive for opening the trunk is a convenient thing, especially when your hands are busy. You've probably already encountered this in a hypermarket parking lot. Automakers make loading easier by adding radio control for opening from a standard radio key or even gesture control - for example, on the new Ford Kuga, you just need to move your foot under the rear bumper for the trunk to open.

But on old cars, and even on current budget foreign cars, you still have to turn the key or press a button on the lid. This problem has long been solved by the service functions of alarms: they implement either a built-in power relay or a customizable additional channel for an external relay. They are activated when the desired key or combination of keys on the key fob is pressed, after which they give a short-term impulse to a separately installed electromechanical drive, or duplicate pressing a button on the door. In modern cars, where the on-board electronics are integrated into a common digital network, the trunk can sometimes be opened using a command via the CAN bus; no additional devices or connections are required.

It is also possible to control the trunk lock on Starline A93. There is no strictly specialized channel for this, but it is preferable to use channel 1 for this, as the installation instructions indicate.

Control buttons on StarLine A93 key fobs

Flex channel 1 in trunk control mode is activated as follows:

• long press button 2 on the key fob;
• Immediately press button 1 briefly.

After this, the key fob will emit three melodic signals, and the car will give three light signals. If the car is disarmed, an impulse to open the trunk will be given without additional actions. If the car is armed, then when the trunk is opened, the doors will remain locked, the security status will not change, but the built-in shock sensor will be disabled. If any additional sensor is connected to the alarm (a special connector is provided for this), it will also turn off.

After closing the trunk in security mode, the alarm will wait five seconds - during this time you can open the trunk again, the alarm will not go off. After five seconds, the sensors are activated again, the alarm will give a second impulse to close the central locking.

Be sure to make sure that when you press the desired key combination, the key fob emits a triple signal - this indicates that the alarm has received the command.

If your car has an additional servo drive for opening the trunk, then listen carefully: a click from the side of the trunk lid when the command is executed will indicate that power is supplied to the servo drive, but it is either broken (the internal rack or gear that drives it is damaged) or not The unlocking mechanism connected to the servo drive is working.

To operate, the servo drive is connected by a rigid rod to the lock mechanism so that when the drive is activated, it simulates manual opening of the lock. If the rod is bent or has fallen off (it is attached to the lock with a screw clamp), then the spent servo will not open the trunk. Eventually, the castle itself may freeze.

The absence of noise will indicate damage to the wiring, failure of the power servo control relay, or a blown fuse. In this case, you should contact an auto electrician or read the installation and operating instructions for Starline A93. It is also worth doing if an additional servo drive was not used to control the opening.

In cases where pressing the 2+1 button combination does not lead to the desired reaction on the key fob, check that the alarm settings are correct:

If you use the StarLine mobile application to control the alarm, then it is possible to configure trunk control from it (if this has not been done previously). Since only one channel can be activated in the application, set the correct one in the settings of the alarm itself: using the method described above, set function 20 to the value 20-1.

Modern Starline security systems not only provide vehicle protection, but also allow you to manage additional functionality. For example, opening the luggage compartment door upon command from the communicator. In order to open the trunk using the key fob in the Starline A93 alarm, the electronic key for the luggage compartment must be connected via the analogue channel of the alarm.

Trunk lock control

What should I do if the doors are locked when opening the trunk using the key fob?

What should I do if the alarm goes off when the trunk is opened using the key fob?

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Trunk lock control

In order to open the trunk using the key fob in the Starline A93 signaling system, the additional channel must be previously activated.

In accordance with the instructions for the car alarm, opening is performed using the following combination:

1. First you need to press the second key of the communicator. A second after the click, the first button is pressed.
2. The vehicle's lights will blink three times and the communicator will beep three times.
3. If the security mode is started, the trunk door lock will open. When the protective function is turned off, the shock sensor will stop working. A symbol in the form of an open luggage compartment will appear on the communicator screen. The sensitivity controller disable icon will also appear on the display.
4. When the tailgate is locked while the security mode is on, the sensitivity controller will be activated. Also, five seconds after closing, the trunk control zone will work. The communicator will emit a melodic signal.

The CamRip channel showed how to open the trunk door.

It is possible to use other methods of connecting the option:

Troubleshooting

In case of mechanical damage to the alarm system, the electrical circuits are diagnosed, the processor is checked for traces of moisture, etc. All these actions when repairing car alarms are carried out using professional equipment.

If the alarm goes off when the trunk is opened, the cause is often the large weight of the door and an over-installation of the controller. Mechanical adjustment is required to correct the problem.

The synchronicity of the lock and alarm operation can be explained by the connection of the switches via a common power line. During repairs, pulse signals should be separated and diodes installed at the separation point.

A situation may arise when the car doors become blocked when opening the luggage compartment. Make sure the firmware version matches your car model. If there was a software update in the microprocessor unit, then use the previous version. If this does not help, seek the help of professional technicians. Troubleshooting requires either rebinding the remote control or reprogramming it.

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What should I do if the doors are locked when opening the trunk using the key fob?

You need to make sure that the firmware versions match. If the microprocessor unit software has been updated, the reason may be that the firmware does not match the machine model. To fix the problem, you need to roll back the firmware one version back and try using the function again. If the problem lies in the electronic component, then it is better to contact specialists.

To fix the problem, follow these steps:

1. The alarm control panel is removed from the memory of the microprocessor unit and re-linked to the module. Sometimes the problem can be solved by reprogramming.
2. All electrical circuits of the anti-theft complex are diagnosed. You need to check the wires connected to the microprocessor module. The cause of the problem sometimes lies in their short circuit or breakage. Damage to the insulation layer can also cause a problem. The test is carried out by a qualified electrician using an appropriate tester.
3. The operation of the microprocessor unit is diagnosed. The reason for its failure may be moisture getting inside the device. It is necessary to disassemble the module housing and diagnose it for damaged elements and contact tracks. Failed components must be re-soldered, but this must be done carefully, using a soldering iron with a thin tip. If there are traces of moisture, the board should be dried, but it should not be placed on a battery or near a gas stove. Drying the board with a construction or household hair dryer is not allowed.

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What should I do if the alarm goes off when the trunk is opened using the key fob?

If the Starline A93 alarm is automatically activated when the trunk door is opened, then the reason may be that the trunk door itself is too heavy.

In addition, the reason may be that the controller is set too high. When a command is issued from the communicator, the locking device is disconnected from the lock, but the trunk door cannot open. It rises a little, but this is not enough to trigger the limit switch, resulting in the reactivation of the protective function. If, when unlocking the device, you lift the cover by hand and the siren does not turn on, this indicates the need for mechanical adjustment.

Depending on the connection method, the hood and trunk limit switches may be connected to one power line by default. As a result, they will be independent of each other, but their activation will be performed synchronously. To solve the problem, it is necessary to separate the pulse signals; for this, diode elements must be installed in the electrical circuit break. If they burn out, then the electrical circuits should be separated in the microprocessor unit.

The AvtoGSM channel showed how the trunk door is opened and other functions in a Kia car.

For a long time I’ve been itching to activate the trunk opening function from the alarm key fob, because the installers in the salon didn’t bother with an additional connection (in most salons this function can be connected for additional money). I took a break from numerous Internet resources and found only the information that you need to look for the brown wire coming from the trunk button in the standard wiring and connect to it. The procedure described below is suitable for connecting any modern signaling system that has at least one additional one. control channel. If you don’t know whether or not you have this function connected, then first check (the combinations for Starline A63/93 key fobs are given below): - on the main signaling key fob, press button 2 for a long time (until the signal) then immediately press button 1, - on the additional key fob ( without a display) press button 3 twice. If the trunk does not open, then you can read on))) So, sequentially: - we buy a normally open 4-pin relay and a platform with wires for it (I took a 5-pin relay because it is the platform it was cheaper than a 4-pin one (65 RUR + 35 RUR)), - remove the lining of the passenger door sill (see Youtube, so as not to break the latches) and the lining under the steering column, - cut the electrical tape of the thick harness coming from the wing along the threshold back and look for a light brown wire , I had 2 light brown ones but of different sections, we are interested in the thinner one,

Possible problems and what to do

Sometimes problems arise when opening the luggage lock. Some of them can be solved on your own, while others require the involvement of a specialist.

Does not open

The trunk of a car may not open for several reasons. First, you should make sure that the security command has been accepted (which is confirmed by the corresponding signals). If there is no response, proceed as follows:

1. Remove the car from security mode.
2. Briefly press the “Jack” button 5 times. After this, 5 siren signals and 1 on the key fob should sound. The remote control should display “AF” (settings mode).
3. To enter the settings menu, press the “3” key for a long time until a sound signal is heard, then briefly press the same button.
4. Using the “2” and “3” keys, you view the settings displayed by code 11-2, where 11 is the option number, 2 is its setting. The correct trunk control code is 13-1. If there are other setting numbers, they are changed using the “1” key.
5. To save the settings, start the car.

If there were no problems turning on the function, then the cause of the malfunction may lie in the servo drive. When the trunk is opened with the Starline A93 key fob, you should listen: if a click is heard, then power is supplied to the drive, but its rack is broken, or the unlocking unit is faulty.

Another possible cause of the malfunction is damage to the rigid rod that opens the trunk lid lock. During operation, it may become deformed or fly off from its working position.

If no sounds are heard when the command is given, then the cause of the breakdown is damaged wires, a malfunction of the power relay that controls the servo, or a blown fuse. To troubleshoot the problem, contact an auto electrician.

During the cold season, the trunk may not open for a simple reason - the lock is frozen. To eliminate this phenomenon, it is recommended to treat locks with special compounds.

Doors lock when opening trunk

Door locking when opening the trunk may be due to a mismatch between the Starline A93 alarm firmware and the car brand (often found in models A 63, E 90). In this case, changes must be made to the central unit software.

If the malfunction is related to the electronic component of the security system, then you should contact a specialist. The auto electrician will check all the alarm wires, the integrity of the contacts, and the condition of the main unit. If necessary, faulty parts are replaced and connections are re-soldered. If moisture gets in, the block is dried.

When the trunk is opened, the alarm goes off

If the siren goes off when you open the lock on the back door, this may be due to several reasons:

1. Incompatibility of the security system firmware with the car brand. To fix the problem you need to reflash the alarm. In this case, it is possible to install not the latest programs.
2. Heavy door or too high sensor installation. In this case, the trunk lid does not rise to the required height, and the limit switch does not work. As a result, the system turns on protection. It is easy to identify this reason - just lift the lid with your hand. If the siren does not turn on, then it is necessary to adjust the position of the sensor.
3. Integration with hood sensor. When installing an alarm, the hood and trunk sensors can be connected by one cable, which leads to their dependence on each other. In this case, you should install diodes in the cord gap or separate the wire in the main unit.

After diagnosing and fixing the problem, the trunk lid can be opened again using the Starline A93 alarm key fob.

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Enabling the feature

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Connecting the trunk opening function in modern cars usually does not cause difficulties. Older versions of cars must be equipped with an electric lock. This is a simple device, but installation will require additional mechanical work.

After correctly installing the Starline A93 system, many users are lost because they cannot open the trunk using the key fob. Despite the fact that everything works from a button from the interior or using a mechanical key.

• press button 2 for a long time and button 1 for a short time;
• the car will respond with three light signals, and the key fob with three sound signals;
• when the security is on, only the trunk lock will open;
• when security is turned off, additionally, the shock sensor will turn off, the key fob indicator will display icons for an open trunk and the shock sensor being turned off;
• after closing the trunk in security mode, the shock sensor is activated, the trunk area will be taken under control in 5 seconds, the key fob will beep once.

There are several other methods for connecting the trunk opening function to the system:

• flexible programming, allows switching from a key fob or from a certain sequence of events;
• using Starline R3 control;
• in Latch mode.

Problem solving

Quite often the cause of such problems is a firmware mismatch. The latest firmware may not necessarily work with your car model. Perhaps it’s enough to switch to an earlier version and everything will work. But more often the problems lie in inconsistencies in the electronic part of the car. Problems can be solved.

If the alarm goes off when you open the trunk, one of the reasons may be that the lid is too heavy or the position of the sensor is too high. The lock is released from the lock, but the lid does not lift enough for the limit switch to operate. Accordingly, the system re-arms the zone. If you lift the lid by hand while unlocking the lock and the alarm does not go off, then mechanical adjustments are necessary.

The Starline A93 system is not designed for installation by amateurs; it is better to contact dealers.

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