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Before you try to program your key fob by yourself There are a few points you need to be aware of. The first thing you need to know is that the procedure for programming will differ from car models.
Most modern cars have an immobilizer system. If you don't own the original key for the car, you'll not be able begin it.
Keyless Entry System
Keyless entry systems make your car more comfortable to drive and can help you feel more secure. It lets you open doors and start the motor without having to look for keys. The system uses radio frequency to connect the key fobs and receiver in the car. The process is quite simple, and it does not require any special equipment or previous experience.
When you press the button on your key fob, a 40-bit signal is sent to a receiver within your vehicle. The receiver matches that code with an operation code that instructs it on what to do, like unlocking the doors or opening the windows. The system is designed to keep others from using your key fob in order to unlock your vehicle, as each transmitter has its own unique code.
Modern vehicles have systems that automatically lock your car when you walk away. This can be helpful when you are prone forgetting things, or if you are worried about leaving your car unattended. However, these systems come with their disadvantages, like the possibility for thieves to hack into them.
There are a few issues that can cause your keyless entry and remote starter to fail to function properly. A dead battery in your fob is the most frequent problem. You can replace the battery if it is the cause. If this fails, you may have to have your fob programmed.
Keyless Start System
This technology lets drivers start their engines without having to use a mechanical key. The fob instead sends an access key to the console which unlocks a set of electrical switches and begins the engine. Once the engine has started it is possible to press a button on the fob can be pressed to turn off the motor off.
The system also comes with security features to prevent the car from starting in gear, or when someone is not in the vicinity of the steering column. Its computer monitors to make sure the transmission is in neutral and the brake pedal is pushed to the bottom before allowing the engine to begin, and it can also be programmed to require a certain number of press-button presses before the motor starts to run.
Suzuki's smart key fob like other wireless devices today connects to your car's radio frequency. The transmitter is integrated into the fob and its signal is picked by antennas on both sides of the vehicle. These antennas are akin to ones used by door locks and allow the car to detect the fob's its range. If the receivers detect an indication, they shut off the immobilizer, allowing for the engine to turn like a normal key.
Keyless Remote Control
If your key fob won't work, it could be an issue with the physical part, like damaged battery connector contacts or a button. It could also be due to a software problem that requires reconfiguring. Simple tests using a multimeter or voltmeter will determine if the battery is active and able to run the microprocessor of the remote.
The newer key fobs are able to communicate with the vehicle computer through RFID (radio frequency identification). They transmit a digital identity code, and the car computer saves this code so that the key fob can unlock and start the car.
Key fobs transmit signals at the same frequency as the cell phone. This technology can be used to remotely control automobile systems, like lift gates that can be powered or even start the engine of a vehicle from outside. Fobs can also emit an attention-grabbing blare to scare away criminals and other undesirable guests.
Batteries are the most common reason for the fob's key not working. Follow a few easy steps to reprogram the fob in this case.
Immobilizer
As you can guess from the name, the Immobilizer prevents the engine of the vehicle from starting without a key fob. The system employs LF (low frequency of 125 KHz) transmitting antennas inside and outside of the vehicle that are activated by the key fob's button presses or when its handle is pulled. The transponder chip in the key fob transmits its ID to the vehicle. The module that knows about the vehicle's identity, checks the ID of the key fob against the BCM and, if the two match the vehicle will be able to start.
This system is very effective at deterring most carjackers, though it does not protect against the more technologically-advanced thieves. In a recent investigation, security researcher Bokslag was able hack the Immobilizer in three vehicles of well-known brands within ten seconds of obtaining the keys.
Most older vehicles have a less reliable, simpler version of this system. It works with one personal code that is permanent, and a second code that is changed every time the ignition key is turned. Newer vehicles use an advanced, electronically-controlled Engine Immobilizer system that features two-tier security.
To reprogramme an authorized key, you must have the 7-digit SKC (Skip Key Code) number that is specific to your vehicle. This number is obtained from the Dealership when you purchase a new Key Fob. You'll also require the Workshop Code and Importer number. The Immobilizer system is usually not affected by a disconnect of the battery however the Transponder Electronic Control Unit on the Key Fob will need to be reprogrammed via the OBDII port using the appropriate diagnostic tools.