With modern Lexus vehicles, there are many lights on the dash that can come on and cause confusion for the driver. Sometimes, you may see the AFS light and wonder what it means.
The short answer is AFS stands for Adaptive Front Lighting System, The AFS light will come on when there is an adaptive front lighting system issue.
This system is in charge of changing the headlight beam pattern based on the conditions. When this light comes on, there is a problem with one of the sensors or the system itself.
In this article, I’ll discuss the Lexus AFS light. I’ll tell you what it does, some common causes, and how to fix it.
What Does the AFS (Adaptive Front Lighting System) Mean?
The AFS system is a safety feature that allows the driver to see better in low-light conditions. The system uses sensors to detect oncoming traffic and will adjust the headlight beam pattern accordingly.
This allows the driver to see better and avoid potential accidents.
The adjustments of the light conditions depend on the speed, road, and weather conditions. For example, when making a turn the AFS will provide more light on the side that you are turning towards making it easier to see.
Related Post: Meaning of the BSM Light on Lexus
Common Causes of the Afs Light Coming On
The AFS system is designed to improve visibility and safety while driving. However, when the AFS light comes on, it means there is a problem with the system. There are a few common reasons this may happen:
Broken AFS Level Sensors
The AFS system uses sensors to detect incoming traffic, the angle of the road, and other conditions. If one of these sensors is broken, it can cause the AFS light to come on.
Low Battery Voltage
Another common reason the AFS light comes on is low battery voltage. This can be caused by a number of things, such as leaving the lights on or having a bad alternator.
Faulty Headlight Bulbs
If the headlight bulbs are faulty, they may not be providing enough light for the system to work properly. This can also cause the AFS light to come on.
Problem With the AFS System Itself
There may be a problem with the AFS system itself. This can be caused by a number of things, such as a loose connection or a software issue.
How to turn off the AFS Light on a Lexus
Here are a number of fixes you can try if the AFS light is coming on in your car:
Check the AFS Level Sensors
If you suspect that one of the sensors is causing the problem, you can check them for dirt or debris. You may also need to replace them if they’re damaged.
Check the Battery Voltage
The battery may need to be recharged or replaced if the voltage is low. You can check the voltage with a multimeter.
Check for Loose Connections
There may be a loose connection somewhere in the system. You can check all the connections and tighten them if necessary.
Update the AFS Software
You may need to update the AFS software if there is a software issue. You can do this at your local dealership or mechanic.
Can You Disable the AFS Light?
You can disable the AFS light if you don’t want it to come on. However, this is not recommended as it can affect your safety while driving. If you still want to disable the light, you can do so by:
Removing the AFS Fuse
Every car has a fuse box. To find the AFS fuse, refer to the owner’s manual. It should indicate the number and location of the fuse. Once you find it, remove it, and the light should be disabled.
Disconnecting the AFS ECU
The ECU (engine control unit) controls the AFS system. To disable the light, you can disconnect the AFS ECU. Again, refer to the owner’s manual for the exact location.
It’s important to note that disabling the AFS light may affect your car’s emission levels. So, if you live in an area with strict emission laws, you may want to avoid this fix.
Final Thoughts
The AFS light is a safety feature that allows you to see better in low-light conditions. However, if the light comes on, it means there is a problem with the system.
There are a few common causes, such as broken sensors or low battery voltage. You can try checking the connections or updating the software. I hope this article helped troubleshoot the AFS light in your car.