5 Car Ignition Switch Lessons From The Professionals
What Happens When Your Car Ignition Switch Fails?
The ignition switch in your vehicle is responsible for a number of systems including the engine. It could be a source of frustration, like the key that is difficult to turn or dashboard lights which flicker.
The ignition switch operates by translating key movements into positions that trigger a variety of functions. This article covers the basics of ignition switches and how to troubleshoot and fix them.
The Ignition Position
It might be one of the least-known car parts on the road in the present, but the ignition switch is absolutely essential to the operation of your car. This small part allows you to turn on your engine and supplies energy to other systems within your vehicle, including the radio, lights and more. This is why it's important to keep your ignition switch in good shape and why you need to be aware of what happens if it fails.
There are many kinds of ignition switches on the market currently, and have different functions depending on their design. Traditional key operated switches, for example they use a tumbler and specially designed keys to start the engine and also activate electrical systems. This type of ignition can be mounted either away from the lock cylinder and controlled by a mechanical linkage or connected to it. Modern ignition switches carry large currents and use electronic modules instead of tumblers and key.
Whatever type of ignition switch you use in your car, however, there are some typical issues that can happen. Typically these issues are the result of wear and tear or external influences. A heavy keychain, for instance, can put strain on the ignition switch every time it is inserted and then removed. This causes wear on its internals. Also, extreme temperature variations can impact the lubricants and materials in the ignition switch, leading to degradation over time.
It's time to consult a professional if you experience any of these problems. A malfunctioning ignition can cause serious consequences for your car, so you should address any issues you notice promptly. You can also take preventative steps to decrease the chance of having to face this issue in the future.
The Start Position
A car ignition switch is a small piece of equipment that makes an enormous difference in the how your car functions. With a simple flick of a switch or push of an button, it can start your engine, as well as a myriad of other systems. It's a vital part of your vehicle, allowing you to hit the road quickly and safely. However, like every other piece of machinery, it can experience problems at times. These issues may not just stop your vehicle from starting, but also damage other components. Fortunately, you can avoid these problems with regular car maintenance and by identifying early warning symptoms of problems with the ignition switch.
Most ignition switches are designed with four positions: lock, start, acc and accessory. The lock position prevents removing the key and you can't use accessories or crank your engine if the switch is in this position. The acc position, or accessory mode, provides power to accessories such as radios even when the engine is not in operation. However, this mode can drain the battery, so it is important to use the acc position sparingly.
The starting position is the one that powers everything that makes your engine run. This includes the gauges, sensors and coils in your dashboard. This position also causes the spark plugs in your engine to fire and create combustion, which helps get your vehicle moving. If you're having difficulty with this position, it could indicate a problem with the ignition switch.
You can test the operation of your ignition switch by using a multimeter to test continuity. You can also test the switch by turning the steering wheel left or right while holding the key in the ignition. If you notice that the gears are hard to turn, or the ignition switch is leaking, you should call your locksmith in your area for assistance.
A defective ignition switch could also cause problems when driving your car by making it difficult to turn the steering wheel. This indicates that the ignition switch requires to be repaired.
The Stop Position
Every circuit that receives electricity from the ignition switch will be cut off when the ignition switch is in the "off" position. lost ignition key includes all auxiliary systems such as your radio, dash lights, and some of your power seats. It also cuts off electrical power to the mechanical lock inside the steering wheel so you aren't able to turn the wheel if the vehicle is in a parking spot. If you attempt to start the engine while the key is in this position, it may stall immediately since that's when anti-theft system kicks into action.
Typically the key is kept in this position when you are driving. This is because it lets you to manage your convenience and auxiliary systems while keeping the engine off and away from reach. The ignition switch could require you to press a bit before it goes in this position, based on the model and brand of your vehicle. This is to ensure it recognizes the correct key and doesn't let a random key start the engine.
You may experience different symptoms if your ignition switch is damaged. The most common are the engine not starting, a difficult time turning the key, and other accessories or auxiliary functions suddenly failing to function. The ignition switch is a specialized component that requires a professional replacement by a seasoned auto mechanic.
To replace your ignition switch, first disconnect the negative terminal from the battery. After that, remove any plastic covers or pieces that hide the ignition cylinder from view. Once you have gained access then loosen and slide the cable off the negative terminal. Refer to your owner's manual for guidance on where the battery is located and how to safely disconnect it.
The Accessory Position
The ignition switch could be one of the smallest components in your vehicle however it's vital to the functioning of your 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.
Many people don't think about the ignition switch until it doesn't work properly. The switch is vital to the operation of a lot of parts of your vehicle and can prevent many problems. The switch turns on the small cylinder once the key is put in.
Modern ignition switches are electronic, not mechanical gears. They perform the same job - they trigger almost all of your vehicle's systems. In extreme cases a defective switch can cause your engine to overheat or cause the car to catch fire.
The accessory position, referred to as ACC in the manual of your car allows you to turn on certain accessories like your radio, headlights and other electrical devices. These devices don't require the heavy 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 be careful not to keep it on for too long.
If the key in your car is hard to turn in the cylinder, or if it isn't able to start at all, the ignition switch is probably malfunctioning. It may also be difficult to determine if the issue is related to the switch or if it's actually the key itself that has problems. Check the key for signs of damage, such as scratches and dents. Also, check if the key is stuck in the ignition. You can also examine the wires inside the ignition switch. If the switch is in the accessory position there's usually a brown, pink and red wire. However only the red wire is usually hot. If the wire is not generating power, it could be an ignition switch that is damaged. Get help from a professional if that is the situation.