What Happens When Your Car Ignition Switch Fails?
The ignition switch in your car is responsible for many systems, including the engine. It's also a source of problems, such as a hard-to-turn key or the dashboard lights that flicker.
The ignition switch functions by translating the key movements into positions that trigger a variety of functions. This article explains the basics of ignition switches, including how to troubleshoot them and what to do should they fail.
The Ignition Position
It's possible that it's one of the least-known car parts on the road nowadays, but the ignition switch is crucial to the functioning of your vehicle. This small part is what allows you to turn your engine over and supply power to all the other systems inside your car, including things like the radio, lights, and more. This is why it is so important to maintain your ignition switch, and what happens if it breaks.
There are a variety of ignition switches available on the market currently, and all perform slightly different functions depending on their design. Key operated switches, for instance one, utilize a tumbler as well as specially designed keys to start the engine and also activate electrical systems. This type of ignition is mounted in a different location from the lock cylinder, and controlled by a mechanical linkage or linked to it. More modern ignition switches use electronic modules to carry heavy current instead of the traditional tumblers and keys.
Whatever type of ignition switch you have in your car, however, there are a few common problems that can occur. Most often these issues are the result of wear and tear or external forces. For instance, a large keychain could strain the ignition switch every time it's inserted and removed and causing wear to its internals. Also, extreme temperature changes can affect the lubricants and materials inside the ignition switch, causing degradation over time.
If you are experiencing these types of issues, it's probably time to contact an expert for assistance. The ignition switch is a serious issue that can cause serious damage for your vehicle, so it is imperative to fix any issues as soon as you notice them. You can also take preventative measures to reduce the likelihood of having to deal with problems in the future.
The Start Position
The ignition switch in your car is a basic device that can change the way it runs. With just a turn of a key or a push of an button, it can start your engine and countless other systems. It is a crucial element of your car that enables you to drive swiftly and safely. However, like every other piece of machinery it may experience issues at times. These issues can not just stop your car from starting, but also cause damage to other parts. Fortunately, you can avoid these problems with regular car maintenance and by identifying early warning indicators of ignition switch issues.
G28 Car Keys of ignition switches are constructed with four positions: lock, acc, start and accessory. The lock position blocks the key from being removed and it is not possible 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 even when the engine is off. However, this mode can drain the battery, which is why it is crucial to make use of the acc position only sparingly.
Finally, the start position is the one that runs everything that makes your engine run. This includes the gauges, sensors, and coils in your dashboard. This position also activates the spark plugs in your engine and ignites the combustion and move you. If you are having trouble in this position, your ignition switch may be malfunctioning.
You can test the function of your ignition switch by using a multimeter to check continuity. You can also test the switch by turning the steering wheel left or right while keeping the key in the ignition. If you notice that the gears are difficult to turn, or the ignition switch is leaking, you should call your local locksmith for assistance.
A defective ignition switch can make your car difficult to drive as it becomes difficult to turn the steering wheel. This is a sign of an issue in the ignition switch that needs to be repaired, so it's best to take your car to a professional when you spot any issues.
The Stop Position
All circuits that receive power from the ignition switch will be shut off when the switch is in the "off" position. This includes other systems such as your radio, dash light, and a few of your power seat. It also cuts power to the mechanical lock within the steering wheel, so that you aren't able to turn the wheel when the vehicle is parked. If you try turning the engine on when the key is in the "parked" position the anti-theft mechanism will be activated and the car could stall.
This is the usual place to put the key in when driving. This is because you can control the auxiliary systems as well as convenience features while avoiding the engine. Depending on the make and model of your vehicle, the ignition switch might require you to press in just a little before it is in this position. This is to ensure it is able to recognize the correct key and won't allow a random key to start the engine.
There are a variety of signs that your ignition switch is worn out. Some of the most common symptoms include the engine not starting, difficulty turning the key, and sudden failure of the accessory or other features. The ignition switch is a complicated component that requires a skilled auto mechanic to replace it.
To replace the ignition switch, you'll have to disconnect the negative terminal from your battery. Remove any plastic pieces or covers that cover the ignition cylinder. Once you've gained access to the cylinder, loosen the nut on the negative terminal and slide it off the cable. Consult the owner's manual for guidance on where the battery is and how to disconnect it safely.
The Accessory Position
The ignition switch could be one of the smallest parts in your vehicle, but it's crucial to the vehicle's function. It's also a common failure point, so you should know what happens when your ignition switch malfunctions and how to determine the cause and how to repair it.
The ignition switch is often neglected until it ceases to function properly. The switch is responsible for enabling almost every component of your car to operate and can also stop many problems from occurring. The key is inserted into a small cylinder and the switch activates it to allow power to flow to other systems.
Modern ignition switches utilize electronic modules instead of mechanical gears however, they do the same process of activating all of your vehicle's systems. In extreme cases a defective switch could cause your engine to overheat or cause the car to catch fire.
In the manual of your car, you'll discover the accessory position (ACC) which allows you to turn on electrical devices like your radio, headlights and other accessories. These devices don't require the huge current needed to start your engine because they draw energy directly from your battery. This is the best location to listen to music or other devices while you're driving, but make sure you don't keep it on for too long.
The ignition switch may be malfunctioning if the car key isn't able to turn, or isn't turning at all. It's also difficult to determine if the issue is due to the switch or if it's actually the key itself that's causing problems. Check the key for signs such as scratches and scratches. Also, make sure that the key is stuck in the ignition. You can also examine the wiring inside the ignition switch. There are typically a brown, red and pink wire but only the red is typically hot when the key is in the accessory position. If the wire is not generating power, it might be an ignition switch that is damaged. If this is the case, contact an expert.