![]() I found the CAN bus, connected it to it, and information about the status of the doors, the ignition on, the engine temperature, and much, much more will be transmitted to the alarm through it. No need to pull wires to all sensors, doors, trunk, hood. Setting up a CAN bus alarm is much easier. This is a local network inside the car that connects all the main control units of the car, a kind of mini-Internet inside the car. The next selection step requires information about your car, first of all, whether it is equipped with CAN -tire. You will not worry about the car even while on a business trip. There is car alarms with GSM, which work in the field of vision of the GSM signal, that is, almost everywhere. However, the installation of such car alarms requires special skills. More sophisticated, equipped with digital displays that can provide additional information about the state of the vehicle's systems. Then you can install an inexpensive one-way car alarm. If the car is parked overnight under the entrance to a four-story building, a simple siren and light message about unauthorized access is sufficient. If you still decide to install or replace the old alarm in your car, you should initially start from the parking lot of the car. Which car alarm is better - by what criteria to choose it Type selection You should also ask about its location when buying a used car and do not forget to inform the happy buyer of your car. To unlock the alarm, it is important to find a secret VALET button. Numerous abnormal wires under the steering wheel can also lead to it. The inscriptions on the key fob or alarm unit help to determine the model (it is usually located in the area of \u200b\u200bthe left knee of the driver behind the dashboard). When restoring the performance of an old alarm, all the documentation for it can be found on the Internet. Sometimes it's easier to dismantle the previous version and install a newer alarm than to constantly run into problems with the old one. By this time, the documentation for it was lost, the masters who installed the alarm changed their place of work. Further, almost all alarms begin to "fail". The typical uptime for car alarms is five to seven years, and that's if it's installed correctly. Of course, it’s not a fact that the signaler will remember your car, rather, on the contrary, he forgot a long time ago, but what if you get lucky? Therefore, if there is information about the car alarm installer, it is better to call him right away and find out what he usually blocks. The fuel pump, the engine control unit (main relay), the voltage to the injectors, in a word, everything that will prevent your engine from starting can be blocked. He mounts the circuit according to his decisions. Usually the master himself, based on his own experience, decides which type of car blocking in case of unauthorized access is most effective. There is nothing reprehensible in this, but it will be useful if former owner car will tell you information about the master who installed the alarm. If it contains non-standard key fobs, then during operation the car was equipped with an additional alarm. ![]() When buying a used car, the first thing you should pay attention to is a bunch of keys. malfunction of the central locking system.arbitrary transition of the alarm to emergency mode, especially at night.Frequent car alarm malfunctionsĪs a rule, the reason for dismantling the car alarm from the car is its incorrect operation, namely: Therefore, before proceeding with the installation of an alarm on a car with your own hands, you should deal with common causes alarm malfunctions, measures to minimize them, related to its installation, the sequence of work, the necessary skills and tools for their implementation. In the practice of an auto electrician, for one order for installing an alarm on a car, there are two orders for its dismantling.
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