Saab Key Programming
saab 93 replacement key cars produced since 1994 utilize an immobilizer that relies on coded keys. In order to add a second key, it requires a new transponder and special programming. This is usually done by the dealer using the Tech2 diagnostic tool.
This can be expensive. It is always advisable to keep an extra set of keys on hand.
Transponder key
The transponder key is a key with an electronic chip that sends a signal to the car when it is inserted into ignition. The car is able to check if the signal matches the one on the key. If the signals are the same the car will then unlock itself and start. This is a great method to avoid auto theft and keep your car secure from thieves.
Transponder keys can be an extremely popular accessory for cars, but they're not as secure as traditional metal keys. While the metal portion of a conventional key can be cut and copied the transponder is protected by an electronic chip. This chip contains an unique code which is programmed into a car's computer order to identify it.
When a
saab 9-3 key replacement key fob is used, the car recognizes it and allows it to turn on. The car can only recognize the key fob when it has a chip that is unmodified and programmed to match. Otherwise, the car would reject the key and won't start.
It is essential to ensure that you have a spare key for your Saab. This is especially true especially if you reside in a rural location where there are a lot of car thieves. The good news is that you can obtain a replacement key for your Saab without having to go to an auto dealer and pay the hefty prices they ask. You can have the replacement key on the spot for less than half the cost you would spend at dealerships.
Wired key
Saab cars typically come with two keys when they're new. If you own only one, you should get an additional key as quickly as you can. This is because if the key is lost and the car is damaged, it will require a new CIM and the locking cylinders replaced. This could be expensive, especially if you are purchasing a used car.
The next step is to connect the wires of columns and row to your microcontroller. This is the toughest part of the project and will require a lot of soldering. There's no standard way to accomplish this, however it is essential to determine the routes you'll use to solder the columns and rows. There are 22 microcontroller wires and pins that you can connect for this keyboard. It has five rows and 17 columns.
After the columns and rows are soldered, it's the time to connect them to key switches. To do this, put an inverter over each pin of the key switch and then solder it. This will protect the pins from current, and prevent them from being cut off. A diode only allows current to flow in one direction, and has a a black band visual indicator that indicates the direction in which current will flow.
Sanabria states that a number of the tools available in auto parts stores, such as the Autel MaxiIM IM608PRO and IM508 are able to assist customers who are shopping or DIY customers to program replacement keys and restore immobilizer information. The tools plug into the OBD port and automatically guide the user through the process, making it more simple than replacing the computer inside the vehicle.
Jump-starting the battery
The majority of people have an item in their trunks to jump-start a car in an emergency, but it may not be a good idea for newer cars. These cars have a variety of computers and digital devices that communicate with one another. A surge in voltage while a battery is hooked up to another could cause damage to these components and leave your vehicle undriveable.
Start the working vehicle and allow it to run for approximately two minutes before you connect the cables to the one that is disabled. Attach the red clip to the positive terminal of the battery that is good (it will have "POS" or "+" on it). Attach the other end of the black cable to a clean, unpainted metal surface underneath the car's hood. The engine block is an excellent choice. The black cable should not be connected to the negative terminal of the dead battery. This could create sparks that could ignite the gasoline that is in the engine compartment.
Once the cables are connected, turn on the vehicle that is disabled and let it run for about five minutes before you disconnect them in reverse order. Be aware that the battery of your Saab 9-3 is recharged when you drive, so it could take a while for the battery to come back down again. It's a good idea invest in a spare key fob as soon as you can, because replacing the one that works requires the installation of a new computer module and a special program to convince it that your missing keys aren't in the process of trying to steal the car.
Replacement Case
Saab Car Keys owners usually only have one car key, and if that is lost, they'll be charged. It's expensive to purchase the key and also requires replacing the CIM or TWICE for older models. It is recommended to have a spare key in the event of theft or any other catastrophe and the best option is to purchase an extra key as quickly as you can. Don't buy a secondhand key, even it's "new." Keys that are claimed to be new purchased from third-party sellers won't perform and are almost certain to fail at the crucial moment.
The majority of locksmiths won't be able to help if you have only one working key, and the dealer will charge you high prices to replace the computer in your vehicle to make a replacement. We can reset and reprogram the computer's EEEPROM in order to be able to accept a replacement key without the need to replace the entire system. That can save you a significant amount of money. It's cheaper to do this than wait until you lose the only key.
