Saab Key Programming
Saab cars built since 1994 utilize an immobilizer system that is based on a set of keys. To add an additional key, you need an entirely new transponder and programming. saab 93 key fob replacement is usually handled by the dealer using the Tech2 diagnostic tool.
It can be costly. It is recommended to always have a spare set of keys in your possession.
Transponder key
The transponder is a key that is equipped with an electronic chip. The chip sends a signal when the key is inserted in the ignition. The car then examines the signal to determine whether it matches that of the key. If the signals are the same it will open itself and begin. This is a great way to deter car theft and keep your vehicle safe from thieves.
Transponder keys could be an extremely popular accessory for cars, but they are not as safe as traditional keys made of metal. While the metal component of a conventional key can be cut and copied the transponder is protected by an electronic chip. This chip contains a unique code programmed into the car's computer to identify it.
When a Saab key fob is used the car recognizes it and allows it to turn on. However, it is only able to do this if the fob is equipped with a chip that is not modified that has been programmed to match. The car will not start when the key isn't programmed to match.
It is vital to have an extra Saab key. This is particularly important especially if you live in a rural area with many car thieves. You can get a new key for your Saab by visiting the dealership and not paying their pricey costs. In the majority of cases, you can have a new key made on-the-spot for less than half the price of what you'd pay at the dealer.
Key for Wired
Saab cars are usually delivered with two keys. If you have only one, you should get an additional key as quickly as you can. This is because if the key is lost and the car needs an entirely new CIM and the locking cylinders replaced. This can be costly, especially for used cars.
The next step is to wire the column and row wires to the microcontroller. This is the most tedious part of the project and it will require lots of soldering. It's not a common way to go about it, but you need to think about how to connect and solder each column and row. There are 22 microcontroller wires and pins that you can connect for this keyboard. It has 5 rows and 17 columns.
Once the rows and columns are soldered, it's time to connect them to key switches. Solder a diode to each key switch pin. This will shield the key switch pins from current and keep them from being shorted. A diode can only allow current to flow in one direction, and it comes with a a black band visual indicator that indicates the direction in which current will flow.
Some of the tools you can find at auto parts storeslike the Autel MaxiIM IM608 Pro and IM508 -- may assist customers at the shop or DIY customers in certain cases create replacement keys and restore lost immobilizer data Sanabria says. The tools plug into the OBD port and guide the user through the procedure, making it much easier than replacing the computer in the vehicle.
Jump starting the battery
The majority of people have an assortment of tools in their trunks to jump-start a vehicle in the event of an emergency, but it might not be the best idea for newer cars. These vehicles have many digital and electronic devices that communicate with one another. A surge in voltage when batteries are connected to another one could cause damage to the parts making your car inoperable.
Connect the cables to the vehicle working. Let it run for two minutes. Attach the red clip to the positive terminal of the battery that is good. (It will say "POS" or "+".) Attach the other end to a clean, unpainted metal surface under the hood of the affected vehicle. The engine block is an excellent option. Don't connect the black cable to the negative terminal on the dead battery, since this could cause an ignition source that ignites gasoline in the engine bay.
Once the cables are connected, start the vehicle that is disabled and let it run for approximately five minutes before you disconnect them in reverse order. The battery in the Saab 9-3 will charge as you drive. It will take some time for it to return to its original state. It is a good idea to buy a spare key fob as soon as you can, because replacing the one that works requires the installation of a new computer module and special programming to convince it that the lost keys aren't attempting to steal the car.
Replacement case
Many Saab owners have only one key for their car and if they lose it, they'll be charged. The reason is that it's not cheap to buy a new key, and that involves replacing the CIM (Column Integration Module) or TWICE on older models, as well as programming. It's best to have a backup key in the event of theft or other disaster the best solution is to buy an extra key as early as you can. Even if the key is "new" it will not function.
Most locksmiths cannot help you if you have only one working key, and the dealer will charge you high fees to replace the computer in your car to make a new replacement. We can reset and reprogram the computer's EEEPROM for it to accept a new key without the need to replace the entire system. This can help you save a significant amount of money. It's also less expensive than waiting until you lose your only key.