The Saab Ignition Key Replacement Success Story You'll Never Be Able To
Saab Key Programming
Saab cars that were built prior to 1994 feature an immobilizer mechanism based on coded keys. A new transponder is required in order to enable the inclusion of an additional key, and special programming. This is usually done by the dealer using a Tech2 diagnostic tool.
This can be expensive. This is the reason why you should always have a spare key available.
Transponder key
The transponder is a key that has an electronic chip. This chip sends out a signal when the key is put in the ignition. The car will then check the signal to determine if it matches the one that is in the key. If the signals match, the car will unlock itself and begin. This is a great way to protect your car from theft.
Transponder keys are an increasingly popular feature in cars, but it is important to know that they're not as secure as traditional keys made of metal. While the metal parts of a traditional key could be cut and copied, a transponder is protected by an electronic chip. The chip is equipped with an unique code that is encoded into the car's system to identify it.
The car will recognize the Saab keyfob, and allow it to turn on. But, it's only able to do so if the key fob is equipped with a chip that is not modified that has been programmed to match it. The car will not start in the event that the key is not programmed to match.
It is important to have a spare Saab key. This is particularly important when you live in a rural location that has numerous car thieves. You can get a brand new key for your Saab by visiting the dealership and not paying their pricey costs. You can have a replacement key created on the spot for less than half of the cost you would spend at the dealership.
Wired key
Saab cars typically come with two keys upon purchase. If you own only one, it is recommended to get an additional key as quickly as you can. This is because if you lose it, the car will need a new CIM and the locking cylinders replaced. This can be costly particularly for used cars.
The next step is to wire the column and row wires to the microcontroller. This is the most challenging part of the project and requires a significant deal of soldering. It's not a standard way to do it, however, you should determine how to connect and solder each column and row. There are 22 microcontroller wires and pins to connect to this keyboard. It includes 5 rows and 17 column.
After the rows and column are soldered together after which it is time to connect the key switches. Solder a diode on each key switch pin. This will protect the pins from current, preventing them from being shortened. The diode allows current to only flow in one direction. It is equipped with a visible indicator that is black, that shows the direction in which the current will flow.
Some of the tools offered at auto parts storeslike the Autel MaxiIM IM608 Pro and IM508 -- may help shop customers or even DIY customers in some cases programme replacement keys and recover lost immobilizer data Sanabria says. The tools plug into OBD ports and help the customer through each step and make the process more straightforward than replacing the car's computer.
Jump-starting the battery
Most people keep a few sets of jumper cables in their trunk for emergency situations however, jumping a battery for newer automobiles might not be the best choice. These vehicles are equipped with electronic devices and computers that communicate with each other. A surge in voltage when batteries are connected to another battery could damage the components, rendering your car undriveable.
Connect the cables to the vehicle operating. Allow it to run for two minutes. Attach the red clip to the positive terminal on the good battery (it will have "POS" or "+" on it). Attach the other end of the black cable to an unpainted, clean metal surface underneath the car's hood. The engine block is an ideal choice. The black cable is not to be connected to the negative terminal of the dead battery. This could cause a spark, which would ignite the gasoline that is in the engine compartment.
After the cables have been connected, you need to start the vehicle and let it run for about five minutes. Then, disconnect the cables in reverse. saab 93 key fob in your Saab 9-3 is recharged while you drive. It will take some time for it to drop back down. It is recommended to purchase an additional key fob as soon as possible. Replacing the one that works requires the installation and programming of a brand new computer chip.
Replacement case
Many Saab owners only have one key for their car and if they lose that it's going to cost them. It's expensive to add the key and also requires replacing the CIM or TWICE for older models. In the event of theft or other catastrophe it is best to have a spare key. Even even if the key is "new" it will not work.
Most locksmiths cannot help you with a single working key, and the dealer will charge high prices to replace the computer in your car to create a replacement. We can reset and reprogram the computer's EEEPROM in order to make it ready to accept a replacement key without replacing the entire system. That can save you a lot of money. It's cheaper to do this rather than wait until you loose the only key.