9 Lessons Your Parents Teach You About Fix Car Ignition
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The car will not start unless the switch sends an electrical signal to the starter. Normal wear and tear over time may cause the switch malfunction.
You can remove the steering column trim with specially designed tools to access the ignition cylinder module. Check your repair manual for guidance on how to do this in a safe manner.
1. Make sure to check the Switch
One of the most frequently encountered ignition issues is a malfunctioning switch. It acts as bridge between two contacts, controlling the time when relays are activated and deactivated. Because it isn't able to channel the full power of devices such as the starter, it's a lighter component that's less likely fail. However, it's still possible for the switch to become damaged or corroded.
A defective switch can be identified by a difficult time turning the key. This can be caused by various factors such as not inserting the key correctly or wearing out the mechanism over time. It's not common for people to mix their keys up with keys from someone else's. This can cause mechanical damage.
If the switch isn't functioning, there are a few things you could try before calling a locksmith. First, ensure that the battery is charged and that there aren't any other electrical issues within the system. It is also important to check the voltage of every component to make sure they're supplying enough power. After you've completed these steps, it's now time to start troubleshooting.
Luckily the ignition switch is pretty simple to replace. It is connected to the ignition module, which is a round piece of equipment that holds everything together. To replace it, you'll need a flathead screwdriver, and something that is long enough to push the pin into. You can employ anything from a paintbrush to Kabob stick, but you should avoid anything that is hard as it could be broken into the hole.
Remove any trimming pieces that cover the area around the switch when you're ready to get started. Once you've done this remove and loosen the screws that are holding the switch in place then gently remove it. Depending on the model you may have to cut off any cables connected to it. You can find out how to do this in the instruction manual for your vehicle.
It is recommended to have the ignition switch replaced by an expert when it's not working. It's difficult to replace the ignition switch without removing the steering column. This could result in an accidental airbag being deployed in the event that you don't do it correctly. This is why it's best to have the locksmith in your area handle this for you.
2. Verify the Wire
Your car may not start if you cannot turn the ignition key or it will not start. This could be due a number of components within the ignition system. It's crucial to understand how the ignition system functions to identify problems and make the right repairs.
The ignition switch is a low voltage multi-pole electrical switch which is operated by a key. It includes four positions "off", "accessory", "run" and the "lock". When the switch is locked (which is typically marked by a red light) the ignition circuit is active and it is impossible to start your vehicle.
To determine whether the ignition switch is defective or if the ignition coil is defective, you will need to do a quick electrical test with the help of a voltage meter. When the ignition switch is set to run at a certain voltage, the voltmeter should read about 12.6, If the voltage is lower than that it indicates that there is an open circuit somewhere within the system. This could be a solenoid, battery or the ignition coil.
Disconnect the electrical connector from the ignition switch so that no other components interfere with your test. Then set the voltmeter to the continuity or resistance mode and place one lead on one of the ignition switch's terminals. The other lead should go to the positive terminal of the battery. If the voltmeter is "open" or fails to detect any voltage, you should replace the switch.
Use a new ignition key and high-quality ignition cylinder when replacing the switch to ensure your vehicle is running and starts correctly. When replacing the switch, ensure not to hit the pins of the ignition cylinder using your tools. Otherwise, they'll get stuck and your engine won't be able to run. You'll have to take off the steering wheel as well as the gear selector in some vehicles to gain access to the ignition cylinder. This isn't easy, and it is not recommended until you have an owner’s guideline that states it's safe. If you do not you could cause irreparable damage to your steering column and the shift mechanism.
3. Check the Cylinder
If you've sifted through the wiring, battery and ignition switch and still you can't get your car start, it may be time to check the cylinder. The cylinder is the piece that holds the key. It is mechanically attached to the steering lock so that a would-be burglar can't drive the car if it's not there.
You might observe that your key will not turn if the cylinder is worn out. The pins of the cylinder could become stuck as they adapt to your key's shape. This could cause your car to not start. The cylinder might also be sloppy. does a new ignition switch require a new key tap using the small tackhammer may help. Just be careful not to disturb the springs in the cylinder and ensure that your key is correctly installed prior to tapping.
If you are required to jiggle and move your key around before it will start, this is another indication that your cylinder is been damaged. This is a bad sign, and it must be addressed immediately, since it will only get worse over time.
To examine the cylinder you'll need to unplug your battery and remove the cover from your steering wheel until you can access the ignition module. You should then be able to remove the old ignition switch and the cylinder made of metal. If you don't own a spare switch, you may be able to take your original ignition cylinder as well as switch to locksmiths for reuse as long as they're in good working order. After replacing the switch and cylinder make sure you connect the wiring harness, secure it in place and then reattach any covers or panels that you have removed.
4. Make sure you check the Spark Plugs
The spark plug is the final link in your ignition system chain. When it breaks it stops the engine from running. It can be that your vehicle won't start at all or it will run badly. In either case, the cause is likely to be one of several factors that block or hinder the flow of electricity across the spark plug gap, which allows your engine's gas and fuel mixture to start.
Be sure to use protective tools and gloves before working with your spark plugs. Spark plugs are hot and can cause serious injuries when you touch them with bare skin.
When a spark plug is bad, you may be able to see that the top of the central electrode has a light gray or brown residue on it. The electrode could also have an opaque coating. The deposits or fouling may stop high-voltage electrical current from crossing the gap between your spark plug and igniting an engine.
If you suspect that your spark plugs may be the culprit, you can test them if you remove them from the tube that is inside the ignition coil. This can be done by disconnecting the coil and the plug wire. Then, you will be required to follow the correct procedure for your vehicle in order to remove the components that surround the plugs. After you have removed the plugs, place them on a metal surface that is grounded, and start the engine. If they are good you will see a bright blue spark extending across the gap between the tip of the central electrode.
If you do not see a spark you have identified the problem. The next step is to go backwards through your ignition chain and check each component until the spark plugs are no longer working. Every system will wear out and eventually break, and this is particularly true for ignition systems. Regular maintenance can reduce the time it takes to repair and avoid an issue at the worst possible time.