Operating principle and connection of the Starline immobilizer bypass module

Using autostart is a convenient thing, but on any more or less modern car it directly conflicts with the car’s standard anti-theft system. What do autostart circuits physically do? Turn on the ignition and power to the starter, bypassing the ignition switch. But at the moment when voltage appears on the circuits powered through the ignition line (regardless of how), the car’s standard immobilizer begins to request a response chip, which is either applied to a separate reader or located in the key itself. No response – engine starting is blocked. For successful autostart, the alarm must be able to simulate the presence of a chip in the reader’s coverage area - this task is performed by the immobilizer crawler.

General information about the bypass module

According to the description, the Starline keyless alarm bypasser with auto start is a functional unit in a small-sized housing. The device is integrated into the structure of the security system as one of the control components. The purpose of this equipment in a car is to simulate a key, which is necessary to disable the standard engine lock.

The crawler was created to work with standard blockers that operate using the RFID system. Such devices usually do not make it possible to start the car engine remotely, which can cause inconvenience to the car owner.

If you decide to install and connect a crawler, you should remember that the device can only function with security systems of its own brand. The chip that is installed in the key is completely unique; its use is not allowed with similar systems used on other machines. Even if the same immo crawler is installed on the car, you will not be able to use this key to unlock it.

The module, which allows you to bypass the standard blocker, structurally consists of:

• processor device;
• an antenna module equipped with a plug with a wire that connects to the machine’s electrical network;
• an additional transceiver made in the form of a wire loop;
• setup and usage guides.

Artem Kasyanenko examined in detail the features and capabilities of the Starline F1 crawler.

In order for the Starline Can Lin car alarm bypass block to work, you will need an additional key with a transponder installed inside. You can purchase such a device from the official dealer of your car brand. The cost of an immo crawler from Starline is about 3200-5000 rubles.

Bypass the immobilizer if you have one key with a chip

One option to bypass IMMO is to place the chip in the antenna loop of a standard device. The car will start with any key. In this case, the standard immobilizer is blocked, which reduces the security of the vehicle. But there is an option to preserve the functions of the standard device.

To do this, the transponder must be placed in the crawler reader, and the pink cable and 1 of the free channels of the security system marked “Flexible programming” must be connected to the module control wire. In this case, you can start the engine within 60 seconds from the moment the car is disarmed. If this fails, then the attempt is repeated: they set the alarm, remove it and start it.

Many drivers believe that it is better to install a security system with a radio relay and a hood lock, and turn off the IMMO. This option is more effective, because in this case, the level of vehicle protection increases.

Features of work

In fact, a chip installed in a small transponder is used to capture impulses from the standard key. Any lock, regardless of the car brand, has a key identification function, by which the system identifies the car owner. Therefore, if the key matches the lock according to its geometric characteristics, but the chip located inside turns out to be incompatible or does not exist at all, the lock will not turn off. Also, a ban on starting the power unit will work in the case when the remote engine start function is used, since the standard immobilizer will not be able to identify the key.

Installing a keyless crawler will allow you to replace the chip installed in the standard transponder, which allows you to disable the lock. When the remote start option is enabled, the device automatically sends a signal through the transceiver to the key chip. In fact, it is incorrect to call this device a crawler, since it operates on a different principle of gaining access to the power unit.

A detailed overview of the VR-03 model from Starline and its operating principle is given in the AutoAudioTsentr video.

What exactly will be implemented

Any workman for a standard immobilizer, both purchased and homemade, is designed simply:

1. A coil consisting of 50-100 turns is wound around the electronic key chip.
2. Another inductor, also containing 50-100 turns, is located near the ignition switch.
3. At the time of autostart, the coils are combined into a closed circuit. Due to this, the immobilizer behaves in the same way as if there is a key near the standard lock.

All crawlers, except Fortin, do not work without the key module placed in the car at all times. This is why insurers increase the cost of CASCO insurance. A typical crawler diagram is given below.

Schematic diagram of a homemade lineman

Factory-made devices repeat in their circuit what is shown in the first figure.

Factory manufactured device

For all those who have doubts, here is a view of the board from below.

Factory device circuit board

Installing and connecting a crawler, regardless of its model, always looks the same.

Connecting a lineman to the gap of a standard coil

Modifications of StarLine crawlers

Models of crawlers for “signaling” Starline A91, A93 and other variations that can be purchased:

1. VR-03. Using the device will allow you to bypass the standard RFID blocker, making it possible to remotely start the engine. The crawler automatically transmits information in the form of a code from the standard key, which makes operating the machine more convenient and comfortable. The package includes a processor device, connection cables, and an antenna adapter with a one and a half meter wire. The kit also includes a special loop, the diameter of which is 6 cm. The service manual specifies technical characteristics and recommendations for connection.
2. VR-06. A more advanced version of the standard blocker crawler. In it, control and transmission of pulses is carried out via a digital encoded channel. This allows for more reliable starting of the internal combustion engine remotely. The VR-06 model is designed specifically for joint use with Starline anti-theft systems. Smart Key format keys are powered by a voltage of 3.3 volts, as a result of which the consumer does not need to periodically replace batteries. One of the features of the device is its versatility, since the device can function with both Smart Keys and traditional ignition keys. It is possible to connect the crawler to any type of reader. .
3. F1 is a joint development product from manufacturers Starline and Fortin. The main feature of the system is the combination of crawler options, as well as a CAN interface with a huge number of auxiliary control outputs. To use the device, you do not need a chip or key, since the control procedure is automatic. This model supports firmware updates via the network, which will expand the list of potentially supported machine models. This device successfully combines the options and capabilities of other blocker bypassers; its connection is possible in more than three thousand models of modern cars. The full list can be found on the company's official website.
4. Fortin Evo Kay. The manufacturer positions this product as an inconspicuous addition to the car, which makes its operation more comfortable and convenient. Thanks to the use of a unique algorithm, the manufacturer ensured that the lineman unlocks the electrical circuits of the power unit to start it, but leaves the steering wheel locked. This provides additional protection for the machine. The module will be no larger in size than a matchbox, which allows for its discreet installation in a car. One of the features is that this engine blocker crawler does not have strictly established points for installation, so the consumer can determine them independently. Among the advantages, versatility should be highlighted - installation of the device is allowed on all modern cars, regardless of the type of ignition system used.

An overview of popular models of blocker bypassers from Starline is presented in the video by Kirill Kolomna.

Advantages and disadvantages

Advantages of immo Starline crawlers:

• low price for devices of this quality, which make it possible to protect the engine blocking circuits from hacking;
• effective operation of the device and its productivity;
• after installation, the device is automatically synchronized with the machine’s systems and integrated into its type;
• the presence of the device makes it easier to use the remote engine start function;
• installing a blocker bypass will not in any way affect the operation of security systems and other electronic devices, of course, if the installation is done correctly;
• ease of installation and operation;
• immo crawlers work well with systems equipped with the option of remote starting of internal combustion engines;
• The blocker bypass module can function without constant use of the standard immo key.

The only disadvantages include the difficulties that consumers may encounter when connecting. If you do not have experience in implementing such tasks, then it is better to seek help from electricians.

Best models

To simplify the process of choosing a device that bypasses the immobilizer, you should familiarize yourself with the list of the most popular models. Among them:

• Fortin evo all.
• Idatalink ads al ca.
• Starline bp 05.

Fortin Evo All

The device is sold at a price of 5.5 thousand rubles, and the total costs including installation work are 9.5 thousand rubles. This keyless crawler can be installed on different models of car alarms, demonstrating high quality performance and reliability. The basic kit contains a crawler module and a set of wiring harnesses for installation.

Idatalink Ads Al Ca

It costs 500 rubles. cheaper than the previous model and is in particular demand among Russian car owners. The device performs its functions efficiently and fits well with a key fob or standard key. If necessary, the lineman can be easily removed and installed on another machine.

Starline Bp-05

The device is sold at a price of 1.3 thousand rubles. and is the main decoy for popular car alarms produced by Starline. The advantages of the model include:

• No difficulties in self-installation and maintenance. You can install this device yourself without the help of a mechanic.
• Versatility and good interaction with different models of alarm systems.

Installing the module

Before installing the Starline immobilizer bypass module, be sure to study the connection diagram.

Instructions for installing the crawler and its integration into the Starline A91, A93 and other alarm models:

1. Select a location to mount the device. Thanks to the small size of the processor module, the crawler can be installed anywhere in the cabin. Fastening is carried out using self-tapping screws, which are included in the system kit. Installation can be done behind the control panel; to do this, you will need to dismantle part of the lining in the cabin and remove the tidy.
2. Then the housing of the processor unit is opened and a spare key with a mark is installed in it. The flat transceiver must be installed inside. Make sure that the device is fixed as firmly as possible; it is important to prevent gaps and movement of the device while moving. Then the device is connected.

To connect, you need to know the markings of electrical circuits:

1. The red output is a positive power contact; it must be connected to an electrical circuit where there is voltage when the ignition is activated. Therefore, the contact is connected to the lock.
2. The black output is negative and is used as a control input. When a negative pulse arrives at it, the key label is read. This contact must be connected to the output of the internal combustion engine remote start system.
3. There are also several gray cables. The connection diagram for these contacts will differ depending on the characteristics of the machine.

1. First option for connecting the circuit

2. Second diagram for connecting the blocker bypasser
There are several options for connecting the Starline immobilizer:

1. If the connection is made according to the first scheme, then the outer frame transceiver must be fixed to the cylindrical body of the ignition switch. This element is then connected to the output located at the end of the gray wires. Please note that this contact must operate within a minimum distance between the standard antenna adapter installed in the vehicle and the blocker bypass transceiver.
2. Using the second scheme is relevant if for some reason you cannot install a frame transceiver. Then the antenna must be wound on a gray cable and installed on top of the standard transceiver. Installation is carried out on the ignition system cylinder. The distance between the standard antenna and the lineman's transceiver will be minimal, this will ensure high-quality signal transmission.

Connection

The connection involves three wires - red, black and gray. The first is connected to a circuit with a voltage of 12 V - this is a power plus. The black circuit is the 70 mA negative control input. At the moment the negative potential is applied to the black wire, the electronic encryption code is identified. This wire connects to the remote start module output connector.

Also, do not forget that connecting the Starline immobilizer crawler also involves introducing an antenna into the network. The gray wires are designed specifically for this task. In the most common schemes, the complete antenna is attached to the ignition switch and connected to the connector at the end of the gray wires.

How to use the crawler correctly?

After installing the immobilizer bypass module, it is important to carry out its training procedure so that the bypass module can function without failures.

Lineman training procedure:

1. Turn off the ignition in the car. Find the service key, it can be installed in a hidden place. If you installed the security system yourself, then you must remember where you installed the button. If installation was carried out by specialists, contact them for help in searching. On most Starline models, to enter the training mode, the button must be pressed fourteen times, but depending on the “signal” this nuance may differ. Check the service book for the alarm.
2. Five seconds after pressing, you must turn on the ignition, this will activate the learning function. The bypass system's processing unit will start the information processing mode; this may take the device about five minutes. During the learning process, the siren of the anti-theft system will periodically sound, the signal interval will be three seconds.
3. If the learning procedure is successful, the siren beepper will confirm this with two signals.
4. In the event that the system has failed and the operator training has not been completed, four signals will sound.

Oleg told legazoid how you can start a car engine without a key.

Unlocking with the central locking control button

Owners often write on forums that the immobilizer on the Lada Kalina blocked the engine from starting. What to do and how to unlock it? Entering an emergency code usually helps. To do this you need:

1. Turn off the ignition. The light should start flashing slowly.
2. Turn on the ignition, after which some lamps will light up and disappear, and the immobilizer lamp will begin to flash rapidly.
3. Press and hold the central locking control button. The warning lamp should stop lighting.
4. When the central locking control button is pressed, the flashing of the lamp will decrease. We count the number of flashes of the lamp and release the button when it matches the first digit of the code.
5. We carry out this operation again for all other digits of the code.

If the immobilizer has blocked the start of the Priora, Kalina or Lada engine, and you have done everything correctly to unlock it, then the engine can be started. The lamp should go out and light up every 3 seconds, reminding you that the car is not protected.

How to make a crawler yourself?

The structure of the blocker bypass module includes active components, but the device body is always made of plastic, even if it is a branded device. This is important, because if the case is made of steel, then the consumer will end up with the effect of a short-circuited turn in the main coil, which is wound around the key. When installing the device, this point must be taken into account; therefore, installing the housing next to metal surfaces is not recommended.

To make the module yourself, you need to find a plastic case, preferably its dimensions should be minimal. Then you will need a regular four-contact relay, designed to operate in a 12-14 volt vehicle on-board network. This element is fixed inside the lineman’s body. When bypassing the standard blocker, a current is switched, the value of which is less than one Ampere. Because of this, any relay can be used, it is important that it can withstand a large number of operations. Take a 1N4001 diode element (available on the radio market) and solder its contacts to the relay taps, but keep in mind that this part is activated in reverse polarity.

Four contacts will come out of the body of the homemade lineman:

1. A two-core cable is used to connect an external coil. Installation of this component is usually carried out next to the ignition switch; this will require removing the trim from it.
2. The power contact must be connected to the negative output, that is, it is connected to the anti-theft complex.
3. A wire with a +12 volt output; power must be supplied to it. We recommend connecting directly to a battery or other electrical circuit where voltage is always present, even when the ignition is turned off.

The “deception” coil is installed next to the lock. This element should include about fifty turns of winding cable. You can use wires from any manufacturer, but thin winding cables will break from time to time.

1. Plastic body of a homemade lineman

2. Outer winding bonded with epoxy resin

There are several options to install the device:

• make a coil separately and fix it on the plastic lining of the ignition switch, where the lineman is installed;
• dismantle the protective lining of the lock by disconnecting the electrical plug in advance, and the wire can be wound directly onto the casing.

If you decide to choose the first option, then to implement it it is more convenient to use a regular faceted glass wrapped in electrical tape. At the final stage, the winding is fastened, this will require epoxy resin.

If you decide to choose the second option, the result will be more aesthetically pleasing. Self-tapping screws are screwed into the plastic lining; they must be heated in advance on the stove or with a lighter. And their caps will be used as terminal contacts. A thinner cable is soldered to the surface of these contact elements; they must first be cleaned of plastic residues.

Malfunctions

By itself, the immobilizer bypass practically cannot break down - the only component that can fail is the relay, but its resource, taking into account the frequency of use of the autostart, is very long. Problems with autostart due to the fault of a crawler are simply checked:

1. When turning off the car, leave the key in the ignition without removing it so that it remains within the range of the reader.
2. Wait at least 30 seconds.
3. Set the car to security, then give the command to autostart, observing the reaction.
4. If during autostart the ignition turns on normally, the engine is cranked by the starter and catches, then the problem is precisely in connection with the lineman. Otherwise, you can exclude this from the list of possible faults.

To check the Starline crawler, you must first find it by tracking it along the wire from the overhead antenna. The antenna, of course, must be in the right place - it often slides to the side if the installer did not fasten it properly at the time.

There are two two-pin connectors on the body of the immobilizer crawler: a patch antenna is connected to one of them, and power and control are connected to the second. The red wire of this connector should be supplied with “plus” power either constantly or simultaneously with the ignition (depending on how the installer did it); on the black wire a “ground” from the alarm appears at the moment when the autostart algorithm starts (or pulsed, or for the entire time the autorun is running).

The easiest way to check the presence of normal communication between the reader and the crawler is to forcibly supply power and ground to the crawler, and then try to autostart again. When applying direct power, it is also worth checking whether the contacts of the relay soldered on the board are closed. If everything is fine, but startup does not occur, you need to try to move the chip or key assembly hidden inside the crawler antenna - the quality of communication also depends on the relative position of the chip and antenna. The antenna itself must be pressed tightly against the key or chip and fixed in this position (for example, with hot glue).