Car lights are an important communication tool when driving. They make your car visible to other drivers, let them know when you intend to turn in a certain direction or when you are not moving, and help you locate things inside your car. Today, there are more lights on Toyota Corolla automobiles, which directly translates to more car light problems.
A blown fuse is a common culprit when the lights in a Toyota Corolla stop working. The electrical system of the car uses fuses to connect various components, including the lights. If a fuse related to the lighting system blows, the lights will cease to function. Check the fuse box, typically located under the dashboard or in the engine bay, to identify and replace any blown fuses with new ones of the same rating, thereby restoring the lights.
Burnt-out bulbs can also cause lighting issues in a Toyota Corolla. Over time, bulbs can fail and will need to be replaced. Inspect the bulbs in the malfunctioning lights; if they appear darkened or broken, replace them with the appropriate type and size for your Corolla model.
Read on for insight on the most common Toyota Corolla light problems, their causes, and the effective ways to fix most of them. We will cover problems with dash lights, headlights, rear lights, tire pressure lights, among many others.
Toyota Corolla Dashboard/Cluster Lights Not Working
Dash lights are essential vehicle components that enable you to track your speed, gas level, and engine operation, and recognize any alerts on time. This means that when your dash lights are not working, you could easily risk your life and those of other road users. Here are some instances when you can say that there is a problem with your dash lights:
- Toyota Corolla dash lights flickering – Flickering dash lights normally indicate that your car’s alternator, which is charged to send electrical power to different parts, is failing. When the alternator fails, it is unable to supply steady power to the various components of the car, including the battery.
- Dim dash lights – The dimmer switch is the most common cause of dim dash lights. This set of controls exists to allow drivers to make the dash lights dimmer or brighter. Hence, it is not uncommon for somebody to accidentally bump into it and adjust. The solution to this is simple and only requires you to adjust the switch. Remember, your dash lights get dim automatically when your headlights are on.
- Partly lit dash – With technological advancements, this problem is rare as individual LEDs are now used on newer cars. Older cars use bulbs that burn out or blow up, making a part of the dash light go out. In this case, you must change the light bulb in a process that involves uninstalling parts of your dashboard, which is a job best left to professionals.
- Dash lights completely out – Whenever your dash light completely goes out, it must be one of two things: wiring or electrical issues. These issues are associated with blown-out fuses, which can be fixed by replacing the fuse. However, if the problem persists, your car may be experiencing deeper electrical issues that may require a mechanic.
Toyota Corolla Tail Lights Not Working
Tail lights are turned on simultaneously with the headlights, and in some new models, they turn on automatically when darkness starts to set in. Common causes of tail light failures include:
- A damaged fuse
- Burnt tail light bulb
- Wiring problem
- Socket failure
- Broken control switch
- Damages or dirty light sensor
The first step to fixing tail light issues is checking every compartment to identify the problem’s exact cause.
Toyota Corolla Signal Lights Not Working
Determining the cause of turn signal light issues, especially in modern cars with complex connections, can be a nightmare. The problems may be due to the failure of different car parts, such as the wires, flasher units, fuses, connectors, and bulbs. Most Toyota Corolla car owners will face one of the following signal issues at some point.
Signal Light Is Not Working
The most common culprit when one signal light is not working is a burnt bulb. Fortunately, this is easy to check and fix through the boot or the engine bay. Alternatively, you could access it by removing the lens of the signal lights. While at it, ensure you check if the socket is okay and not corroded, as this could be easily replaced.
A defunct flasher, damaged signal switch, and a blown fuse will make both your signal lights fail. The above problems are easy to fix by simply referring to your car’s user and repair manual.
Signal Not Flashing
If you have changed the light bulbs and they are still flashing, look at the turn signal flasher and switch. You can fix this issue easily by following the detailed instructions on your Toyota Corolla manual.
Toyota Corolla Brake Lights Not Working
Brake lights are luminous red lights that turn on whenever a driver presses the brakes. There are several reasons why your brake lights might not be working. These issues include:
- Damaged brake light bulbs
- Faulty brake light wiring switch
- Broken brake light system fuse
To fix the problem, start by checking the fuse and ensuring that power can sufficiently go through it.
Toyota Corolla Rear Lights Not Working
Rear lights are an invaluable safety feature on your vehicle that enables you to drive comfortably in any condition, including in bad weather or at night. A bad relay, burnt fuses, and blown bulbs affect how your rear lights function. Because of how delicate and crucial brake lights are, you should entrust the repair to a mechanic.
Toyota Corolla High Beam Headlights Not Working
When your high beam is not working, the common culprits include a failing switch, relay, or bulb issues. Using the wrong headlight bulb or a blown high beam fuse can also cause high beam light problems. You can start by checking for electrical problems using a digital multimeter before you begin replacing components. Check your owner’s manual as well to be certain that you are using the correct high beam bulb.
Toyota Corolla Headlights Not Working
Automotive headlight problems are common and incredibly easy to fix. They are usually a result of physical and electrical issues with the basic components of headlight systems, including bulbs, a fuse, a relay, and a switch. Here are the common issues you might come across with your headlights:
- One headlight not working – This usually indicates that one of your bulbs is burned out. You can tell that it’s time to replace the bulb if the two filaments are no longer connected and the glass has darkened. Fixing a burned-out bulb is as easy as replacing the bulb. If that does not do the trick, you need to check for electrical or wiring problems.
- Dim headlights – Dim headlights are often a result of foggy or dirty headlight lenses or burned-out and worn-out bulbs. These issues make your headlights dim all the time, while problems with the charging system make your headlights dim intermittently. You can fix all these issues by cleaning the lenses, replacing the bulbs, and having your charging system checked.
- Both headlights are out – Bulbs typically do not burn out at the same time. However, in some rare instances, this may happen. Issues with wiring, power, or ground and having faulty lighting components, like modules, relays, and fuses, will often result in a total blackout.
Toyota Corolla Hazard Lights Not Working
Although hazard lights and turn signal lights use the same bulb, the two lighting systems are connected to different circuits. The mechanics between the two is quite straightforward: signal lights work when the ignition is on, whereas hazard lights work even if the ignition is off. So, if your turn signal lights are working, but your hazard lights are not, begin by ruling out faulty bulbs, lamps, or cables.
The most common culprits are the hazard switch, a blown fuse, an issue with the connection, and a broken flasher. A broken flasher usually interrupts the signal, making it come on intermittently. You can tell there is a problem with your hazard flasher when the hazard lights do not work at all, when they won’t go off, or when other lights, such as brake lights and headlights, malfunction simultaneously.
Unfortunately, fixing this is not as straightforward. It requires you to have adequate information that includes a circuit diagram and special equipment, like a voltmeter, to diagnose the problem. Hence, you do not have to struggle with DIYing this one. A professional with skills, experience, and equipment can get the job done in no time.
Toyota Corolla Interior Lights Not Working
Car interior lights are also known as dome or courtesy lights. These lights are located on the car’s ceiling near the sun visors to illuminate your car’s interiors, enabling you to read physical maps, as well as on the dashboard to prevent night blindness. When these lights are out or not functioning properly, it can be both annoying and potentially dangerous. The following are instances when your interior lights are not at their best and need to be fixed.
Dim Interior Lights
There are two main causes of dim vehicle interior lights: a dying battery or a failing alternator. A dying battery needs a quick change.
As for the alternator, test its voltage by placing a voltmeter on the battery terminal and do a reading while your battery is running.
Flickering Interior Lights
There are several reasons why your interior lights keep flickering, including electrical concerns, a malfunctioned switch, loose ground wires, a bad alternator, or a part of the battery is corroded. A mechanic should carefully inspect your car to get to the root of the problem.
Toyota Corolla Lights Won’t Turn Off
The most probable reason why your interior lights and Toyota Corolla door lights stay on even after the door is closed because of a bumped switch. If not, you will find a simpler issue, like an improperly latched front hood. The switch issue is complex as it involves interconnected systems and would be best left to a professional.
Toyota Corolla Fog Lights Not Working
Fog lights provide a driver with extra visibility in potentially dangerous driving situations. Unlike regular driving lights, fog lights point to the road ahead directly and do not reflect.
It is important to have your fog lights in the best condition always because you don’t know when the weather will change and necessitate them. The common issues you will encounter with your fog lights are the bulb or electrical problems associated with the fuse and relay.
The Bulb Stops Working
It is normal for bulbs to stop working overtime. You can tell that the bulbs are the issue when only one fog light is out. When a single bulb burns out, it typically does not affect the electrical system, so the other bulbs can continue functioning normally. Installing the bulb is quite easy, and you can refer to the car manual for instructions.
Blown Fuse
When a fuse is blown, it interrupts the circuit, preventing the connection’s completion, and making your lights stop working. Like in many other instances, test the fuse to ascertain it’s where the problem comes from before it is changed.
Damaged or Failing Relay
A damaged or failing relay interrupts the transfer of power from the car’s battery to the lights. When it fails, this connection is cut short, and your fog lights won’t turn on, stay on all the time, or will produce a clicking sound. To repair the relay, you need a multimeter to measure the relay unit’s resistance. Otherwise, it should be replaced and wired correctly to avoid such problems.
Toyota Corolla Gear Shift Lights Not Working
A gear shift indicator is a lighting system that shows the gear you are currently using. For instance, it illuminates D while driving and shifts to R when you are moving in reverse.
Your car’s gear shift indicator may fail to work for several reasons, including an internal bulb failure, electrical issues like a damaged fuse, as well as wiring issues that result in loose connections.
Toyota Corolla Reverse Lights Not Working
Reverse lights send a warning to pedestrians and other motorists that your vehicle is moving or is about to move backward. A faulty circuit or circuit ground and a wire break can make your reverse lights malfunction. The solution to this problem is diagnosing the specific issue and repairing or replacing the circuit accordingly.
Toyota Corolla Daytime Running Lights Not Working
Daytime running lights include parking lights and LED lights that surround taillights and headlights. These automatically turn on when the engine is on and turn off when the engine shuts down. Their automatic functioning is controlled by the daytime running module, which, when malfunctions, affects the entire system’s functioning.
Here are a few indicators that there is a problem with your car’s DRL module:
- The DRL won’t come on: This indicates a failure of the module, which prevents power from getting to the lamps
- The DRL stays on when the car is off: This points to a wiring short, allowing the power supply to the lights even when the engine is off
- Toyota Corolla parking lights are not working
It is best to have your DRL module inspected and replaced by a professional technician.
Toyota Corolla Eco Light Not Working
The eco indicator on your Toyota Corolla promotes fuel economy by allowing you to get more out of each mile of fuel used. When the eco light is on, it indicates that the car computer can measure throttle position, engine RPM, and speed. Additionally, it also shows that some gas cylinders are disabled to keep your gas tank full for longer.
Copyright protected article by Know My Auto and was first published on Mar 23, 2021. .
However, the eco light won’t turn on when the check engine light is on because of decreased engine efficiency. The eco light will also disappear from your display or start flashing once you press hard on your accelerator. Thus, your eco indicator light function depends on your driving.
Toyota Corolla Tire Pressure Lights On
The tire pressure lights are located on the gauge cluster of your vehicle’s dashboard. The lights are usually amber or yellow and warn you of low air pressure detected by the TPMS of your car in one or more tires.
It warns you when the air pressure is below the threshold by as little as 10 percent. When the tire pressure light comes on, you need to check the pressure on all your tires at a gas or service station, and fill up any tires that fall below the recommended pressure for each tire with air.
The AstroAI Digital Tire Pressure Gauge from Amazon.com allows you to instantly get the actual tire pressure, even in the middle of nowhere. If all looks good when you inspect your tires, there may be a problem with your Corolla’s TPWS system, which is rare but not uncommon. Your TPWS system failure may be caused by aging or damage, in which case necessitates replacement.
This should not be a DIY project; hence, pass this project to a tire professional familiar with the system who can handle the work correctly.
The copyright owner of this article is Knowmyauto.com and was first published on Mar 23, 2021..
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KnowMyAuto is the sole owner of this article was published on Mar 23, 2021 and last updated on .