What Happens When Your Car Ignition Switch Fails?
A car ignition switch is the one that powers your vehicle's engine and many other systems. It can be a source of frustration, such as a key that is difficult to turn or dashboard lights that flicker.
The ignition switch functions through a tumbler that translate the movements of your key into different positions that trigger functions. This article covers the fundamentals of ignition switches, how to troubleshoot them, and what to do should they fail.
The Ignition Position
It's one of the least-known car parts on the road nowadays however, the ignition switch is absolutely essential to the operation of your car. This tiny component allows you to turn off your engine and supply power to all of the other systems in your vehicle, such like the radio lights, radio, and more. This is why it's so important to keep your ignition switch in good shape and why you need to be aware of what happens if it malfunctions.
There are multiple types of ignition switches available on market currently, and each perform a different function depending on their design. For instance, key operated switches use an elongated tumbler that has specially designed keys to trigger electrical systems and then start the engine. This type of ignition switch can be connected to the lock cylinder, or mounted away from it and operated by mechanical linkage. Modern ignition switches are powered by a large currents and use electronic modules instead of tumblers and keys.
Whatever type of ignition switch you use in your vehicle there are some common problems that can occur. Most often, these issues are caused by wear and tear or external factors. A heavy keychain, for example could put stress on the ignition switch each time it is removed and inserted. This can cause wear to its internals. Extreme temperature fluctuations may also affect the lubricants and materials used in the ignition switch. This can lead to degradation over time.
If ignition lock repair services are experiencing these types of issues, it's time to call a professional for help. The failure of the ignition can have serious consequences for your car, so you should deal with any issues that you observe as soon as possible. It is also possible to take preventative measures to help reduce the chance of having deal with these issues in the near future.
The Start Position
An ignition switch for cars is a small piece of equipment that makes an enormous difference in manner in which your car operates. It activates the engine and other systems with a simple press of a key or push of an electronic switch. It's an essential part of your vehicle that allows you to get on the road in a hurry and in a safe manner. However, it can have issues like any other vehicle. These issues may not only prevent your vehicle from starting, but also damage other components. You can prevent these problems by performing regular car maintenance, and recognizing early warning signs for ignition switch issues.
The majority of ignition switches come with four positions: lock start, acc and accessory. The lock position blocks the key from being removed, and it's impossible to use accessories or crank the engine when the switch is in this position. The accessory mode or acc position supplies power to other accessories, such as the radio when the engine is off. However, this mode could drain the battery, so it is crucial to make use of the acc position only sparingly.
The starting position is where your engine runs. This includes the gauges, sensors, and coils on your dashboard. This position also triggers the engine's spark plugs to ignite and produce combustion, which helps get your vehicle moving. If you have trouble in this position the ignition switch could be malfunctioning.
You can test the function of your ignition switch using a multimeter for checking continuity. You can also test the switch by turning the steering wheel left or right while keeping the key in the ignition. If you find that the gears are difficult to turn, or the ignition switch appears to be leaky, call your local locksmith for assistance.
A defective ignition switch could also cause problems when driving your car, as it makes it hard to turn the steering. This is a sign that the ignition switch needs to be fixed.
The Stop Position
Every circuit that receives electricity from the ignition switch will be shut off when the switch is in the "off" position. This includes the auxiliary systems like your radio, dash lights, and even your power seats. It also cuts power to the mechanical lock inside the steering wheel, so that you aren't able to turn the wheel when the vehicle is stationary. If you try to start the engine while the key is in this position, it may be stopped immediately as that's when the anti-theft system kicks into action.
This is the standard position for the key when driving. This is due to the fact that it allows you to manage your convenience and auxiliary systems while keeping the engine off and out of reach. The ignition switch could require you to press a little before it moves into this position, depending on the model and brand of your vehicle. This is to ensure that it recognizes the correct key and will not let a random key start the engine.
There are a variety of symptoms if your ignition switch is worn out. Common ones include the engine not starting and having trouble turning the key, or accessories or other functions that suddenly cease to work. The ignition switch is an extremely complex component and requires a professional auto mechanic to replace it.
To replace your ignition switch, first remove the negative terminal from your battery. Then, take off any plastic covers or pieces that hide the ignition cylinder from view. Once you've gained access to the cylinder then loosen and slide the cable off the negative terminal. Refer to the owner's guide for information on how to safely disconnect the battery and where it's located.
The Accessory Position
The ignition switch may be one of the smallest components in your car, but it's crucial to the function of the vehicle. It's a typical point of failure therefore it's essential to understand what happens if your ignition switch fails. You should also be able to determine the problem and fix it.
The ignition switch is often neglected until it stops working properly. The switch is responsible for enabling the majority of the components in your car to operate, and it can prevent many issues from occurring. The switch is activated by the small cylinder after the key is put in.
Modern ignition switches utilize electronic modules instead of mechanical gears but they do the same process of activating all of your vehicle's systems. In extreme situations an ineffective ignition switch could cause the engine to overheat and eventually catch fire.
In the car's manual, you will discover the accessory position (ACC) which allows you to turn on electrical devices, such as your headlights, radios, and other accessories. These devices don't require the massive current needed to start your engine because they draw energy directly from your battery. It's a great place to play music or use your other devices while driving. However, don't leave it running for too long.
The ignition switch could be malfunctioning if the car key isn't easy to turn or if it will not turn at all. It's difficult to determine if issue is with the switch or the key. Look at the key for indications of wear and tear, such as dents or scratches and determine whether it's stuck inside the ignition cylinder. You can also examine the wiring inside the ignition switch. There's generally a red, brown, and pink wire, but only the red is usually hot when the switch is in the accessory position. If the wire isn't powered by the ignition switch, it could be broken. If this is the situation, contact an expert.