Five Killer Quora Answers On Saab Ignition Key Replacement
Saab Key Programming
saab 9-3 key replacement ignition key (Going in ai-db.science) cars built since about 1994 have an immobilizer system built on coded keys. A new transponder is required in order to enable the addition of an additional key, and special programming. This is usually handled by the dealer using the Tech2 diagnostic tool.
This can be expensive. It is recommended to always have an extra set of keys in your possession.
Transponder key
The transponder is a type of key that has an electronic chip. The chip transmits a signal when the key is put in the ignition. The car checks to see whether the signal is the same as the one on the key. If the signals are the same the car will then unlock itself and start. This is a fantastic way to protect your vehicle from theft.
Transponder keys are a favored feature in automobiles, however you must be aware that they're not as secure as traditional keys made of metal. The metal part of the traditional key is easily cut and copied, however transponders have an electronic chip that guards it. This chip has an unique code that is embedded into the car's computer to identify it.
The car will recognize the saab key programmer keyfob and allow it to turn on. The car can only recognize the key fob if the device has an unmodified chip and programmed to match. If not, the car will reject the key and won't start.
It's important to make sure that you have an extra key for your Saab. This is particularly true when you live in a rural area with numerous car thieves. You can obtain a replacement key for your Saab by going to the dealership, without having to pay their expensive cost. You can have a replacement key created on the spot at a fraction of the cost you would spend at an auto dealer.
Wired key
saab key fob replacement cars typically come with two keys when they're new. If you only own one, you should get an additional key as soon as you can. This is because if it's lost the car will require an entirely new CIM and the locking cylinders replaced. This could be expensive especially if buying a used car.
The next step is to connect the wires for columns and rows to your microcontroller. This is the toughest aspect of the project and it will require a lot of soldering. There's no standard way to do it, however, you should determine how to route and connect each column and row. There are 22 microcontroller wires and pins that you can connect to this keyboard. It has 5 rows and 17 column.
After the rows and column are joined, it is time to connect the key switches. Solder a diode on each key switch pin. This will shield the pins of the key switch from current and prevent them from being shorted. A diode can only allow the flow of current to be in one direction, and it also has a an indicator in black that shows the direction in which current will flow.
Sanabria states that some of the tools available in auto parts stores, like the Autel MaxiIM IM608PRO and the IM508 will assist shoppers or DIY customers to program replacement keys and restore data from the immobilizer. The tools plug into OBD ports and guide the user through each step and make the process more straightforward than replacing the vehicle's computer.
Jump-starting the battery
A majority of people keep a set in their trunk to start a vehicle in the event of an emergency, but it may not be a good idea for vehicles that are newer. These cars have a variety of digital and electronic devices that communicate with each other. A voltage surge when batteries are connected to another one could cause damage to the parts and render your vehicle unusable.
Start the working vehicle and allow it to run for approximately two minutes before you connect the cables to the disabled one. Attach the red clip to the positive terminal of the battery that is good. (It will say "POS" or "+".) Attach the other end of the black cable to a clean, unpainted metal surface under the disabled vehicle's hood. An engine block is a good choice. The black cable should not be connected to the negative terminal of the dead battery. This could trigger a spark, which would ignite the gasoline inside the engine compartment.
After the cables have been connected, you should start the vehicle and let it run about five minutes. Then, disconnect them in reverse. The battery in the Saab 9-3 will charge while you drive. It takes a while for it to return to its original state. It's a good idea buy a spare key fob as soon as you can, because replacing the only working one requires the installation of a brand new computer module and a special program to convince it that your lost saab keys keys are not trying to steal the car.
Replacement Case
saab replacement key owners usually have only one car key, and if that is lost, they'll be charged. It's expensive to add the key and also requires replacing the CIM or TWICE for older models. In the event of theft, or any other catastrophe, it is best to have an extra key. Even if the key is "new", it won't work.
The dealer will charge you the highest dollar for only one working key. However, we can reset and re-program your computer's EEPROM in order to prepare it to accept a new key without replacing the whole system. This can save you a lot of money. It's also much less expensive than waiting until you lose the only key.