Saab Key Programming
saab Ignition key replacement saab 9-3 key (Willysforsale.com) cars built since 1994 feature an immobilizer system that relies on a set of keys. To add an additional key, you need a new transponder and special programming. This is usually done by the dealer using a Tech2 diagnostic tool.
The issue is that this could be very costly. It is always advisable to keep an extra set of keys available.
Transponder key
The transponder is a key with an electronic chip. This chip sends a signal when the key is inserted into the ignition. The car will check to see whether the signal is the same as the one on the key. If the signals are in sync it will open and start. This is a great method to prevent auto theft and keep your car secure from thieves.
Transponder keys are a favored feature in vehicles, but it is important to know that they are not as secure as traditional metal keys. The metal portion of a traditional key is easily cut and copied, however transponders have an electronic chip that safeguards it. The chip has an individual code that is embedded into the car's computer to identify it.
When a saab car keys key fob is used the car recognizes it and allows it to turn on. The car can only recognize the key fob if it has a chip that is unmodified and programmed to match. If not, the car will reject the key and won't start.
It's essential to ensure that you have a spare key for your Saab. This is especially important especially if you live in a rural location that has many car thieves. The good part is that you can find a new key for your Saab without having to go to an auto dealership and pay the hefty prices that they ask. In most instances, you can get a new key created on-the-spot at a fraction of the cost of what you'd pay at dealerships.
Key for Wired
saab 9-3 key cars are usually provided with two keys. If you have only one, you should get an additional key as soon as you can. This is because, if it's lost the car will require a new CIM and the locking cylinders replaced. This can be costly, especially if you are buying a used car.
The next step is to connect the row and column wires to the microcontroller. This is the toughest component of the project and will require a lot of soldering. There's no standard way to go about it, however, you should consider how you will connect and solder each column and row. There are 22 microcontroller pins and wires to connect to this keyboard. It has five rows and 17 columns.
Once the rows and columns are soldered, it's time to connect them to key switches. To do this you must place an inverter over each pin on the key switch and solder it. This will protect the pins from current, preventing them from being shorted. A diode lets current only flow in one direction. It has a visual indicator of a black line that shows the direction in which the current will flow.
A few of the tools that are available at auto parts stores -like the Autel MaxiIM IM608 PRO and IM508 -- can assist customers at the shop or DIY users in some cases program replacement keys and restore the lost immobilizer's data, Sanabria says. The tools connect to the OBD port and automatically guide the customer through the procedure, making it much easier than replacing the computer in the vehicle.
Jumpstarting the battery
The majority of people have a set in their trunk to start a vehicle in an emergency, but it may not be a good idea for cars with more modern technology. These vehicles are equipped with digital and computer systems that communicate with one another. A surge in voltage when the battery is connected to another could cause damage to the components, rendering your car undriveable.
Start the vehicle that is working and allow it to run for approximately two minutes before connecting the cables to the disabled one. Attach the red clip to the positive terminal of the good battery (it will have "POS" or "+" on it). Attach the other end to a clean unpainted metal surface beneath the hood of your disabled vehicle. The engine block is a great option. The black cable should not be connected to the negative terminal of the dead battery. This could create sparks, which would ignite the gasoline that is in the engine compartment.
Once the cables are connected the vehicle you are not using and allow it to run for around five minutes before you disconnect the cables in reverse order. The battery in the saab key fob programming 9-3 will charge while you drive. It will take some time for it to drop back down. It is a good idea to invest in a spare key fob as soon as you can, since replacing the only working one requires the installation of a brand new computer module and a special program to convince it that your lost keys aren't in the process of trying to steal the car.
Replacement case
Many saab 9-3 replacement key owners only have one key for their vehicle and if they lose it, key, it will cost them. It's expensive to add keys and will require replacing the CIM or TWICE in the case of older models. It's recommended to have a second key in case of theft or other disaster and the best option is to purchase an additional key as soon as you can. Even when the key is "new", it won't work.
The dealer will charge the highest dollars if you only have one working key. However, we can reset and re-program the computer's EEPROM to prepare it to accept a new key without replacing the whole system. That can save you lots of money. It's cheaper to do this instead of waiting until you loose the only key.