The Toyota Highlander is a popular SUV that comes with an all-wheel drive (AWD) system. This system is designed to provide better traction and stability on the road. However, sometimes the AWD system may malfunction, and the driver may see a warning message on the dashboard that says “Check AWD System.” This warning message can be confusing and concerning for drivers, especially if they are not familiar with the AWD system.
If you own a Toyota Highlander and have seen the “Check AWD System” warning message, it is important to understand what this message means and what you should do next. This article will provide you with the information you need to know about the Toyota Highlander AWD system, common causes of AWD system malfunctions, and the best solutions to fix the problem. By the end of this article, you will have a better understanding of how to maintain your Toyota Highlander AWD system and what to do if you encounter any issues.
Understanding the AWD System in Toyota Highlander
The Toyota Highlander is a popular SUV that comes equipped with an all-wheel drive (AWD) system. The AWD system in the Toyota Highlander is designed to provide better traction and stability on various surfaces and in different weather conditions.
The AWD system in the Toyota Highlander is a sophisticated system that uses various sensors and components to monitor and adjust the torque distribution to the wheels. The system can detect wheel slip and adjust the torque distribution to the wheels with better traction.
The AWD system in the Toyota Highlander is always on and works in the background to provide better traction and stability. The driver does not need to engage or disengage the AWD system manually.
Here are some key components of the AWD system in the Toyota Highlander:
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Center Differential: The center differential is a device that distributes torque between the front and rear wheels. It allows the front and rear wheels to rotate at different speeds, which is necessary when the vehicle is turning.
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Multi-Terrain Select: The Multi-Terrain Select is a feature that allows the driver to select different modes depending on the terrain. It adjusts the AWD system to provide better traction and stability on various surfaces such as mud, sand, and snow.
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Dynamic Torque Vectoring: The Dynamic Torque Vectoring is a feature that adjusts the torque distribution to the left and right wheels. It provides better stability and handling when the vehicle is turning.
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AWD Lock: The AWD Lock is a feature that locks the torque distribution to the front and rear wheels. It provides better traction when driving on slippery surfaces such as snow and ice.
In summary, the AWD system in the Toyota Highlander is a sophisticated system that provides better traction and stability on various surfaces and in different weather conditions. The system uses various sensors and components to monitor and adjust the torque distribution to the wheels. The driver does not need to engage or disengage the AWD system manually as it is always on and works in the background.
Common Issues with Toyota Highlander’s AWD System
The Toyota Highlander is a popular SUV that is known for its all-wheel drive (AWD) system. While the AWD system is designed to provide better traction and stability on the road, it can also experience some issues. Here are some of the common issues with Toyota Highlander’s AWD system:
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Faulty Speed Sensors: The speed sensors in the AWD system can malfunction and cause the system to fail. This can result in the AWD warning light turning on and the system not functioning properly.
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Ignition On Faulty AWD System: If the AWD warning light turns on when the ignition is turned on, it could be an indication of a faulty AWD system. This could be caused by a malfunctioning sensor or a problem with the system’s wiring.
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Defective Transfer Case: The transfer case is responsible for distributing power to the front and rear wheels. If it malfunctions, it can cause the AWD system to fail.
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Worn Out Tires: Worn out tires can cause the AWD system to malfunction. The AWD system is designed to distribute power to all four wheels. However, if the tires are worn out, they may not be able to provide the necessary traction, which can cause the system to fail.
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Low Fluid Levels: The AWD system requires fluid to operate properly. If the fluid levels are low, it can cause the system to malfunction. It is important to check the fluid levels regularly to ensure that the system is functioning properly.
In conclusion, the AWD system in the Toyota Highlander is a great feature that provides better traction and stability on the road. However, like any other system, it can experience some issues. It is important to address any issues with the AWD system as soon as possible to ensure that the vehicle is safe to drive.
How to Check the AWD System
To ensure that the AWD system of your Toyota Highlander is working properly, you need to check it regularly. Here are the steps to follow:
- Start the engine and shift into drive.
- Accelerate slowly and make sure the AWD system engages.
- Drive the vehicle in a straight line and listen for any unusual noises or vibrations.
- Turn the vehicle left and right and listen for any unusual noises or vibrations.
- Drive the vehicle on a slippery surface, such as a wet or icy road, and make sure the AWD system engages.
- Check the dashboard for any warning lights or messages related to the AWD system.
If you notice any issues during the AWD system check, it’s important to take your vehicle to a certified Toyota mechanic for further inspection and repairs.
Regularly checking your Toyota Highlander’s AWD system can help prevent potential issues and ensure your vehicle is safe to drive in all weather conditions.
Symptoms of a Failing AWD System
The AWD system is a crucial component of any SUV, including the Toyota Highlander. It provides better traction and stability in all driving conditions, making it essential for safe and confident driving. When the AWD system starts to fail, it can cause a range of symptoms that can affect the vehicle’s performance and safety. Here are some of the most common symptoms of a failing AWD system in a Toyota Highlander:
1. Warning Lights
One of the most obvious signs of a failing AWD system is the warning lights on the dashboard. When the AWD system detects a problem, it will turn on the “Check AWD System” warning light. This light can also be accompanied by other warning lights, such as the “Check Engine” light or the “Trac Off” light. If any of these lights turn on, it’s essential to have the vehicle inspected by a professional mechanic.
2. Unusual Noises
A failing AWD system can also cause unusual noises from the drivetrain. These noises can include grinding, whining, or clunking sounds, especially when turning or accelerating. These noises can indicate a problem with the AWD system’s components, such as the transfer case or differential.
3. Vibration or Shaking
A failing AWD system can also cause vibration or shaking in the vehicle. This can be felt in the steering wheel, pedals, or seats. The vibration can be caused by a problem with the AWD system’s components, such as the driveshaft or axles.
4. Poor Handling
A failing AWD system can also cause poor handling and stability in the vehicle. The vehicle may feel unstable or loose, especially when driving on slippery or uneven surfaces. This can be caused by a problem with the AWD system’s components, such as the sensors or actuators.
In summary, a failing AWD system can cause a range of symptoms that can affect the vehicle’s performance and safety. If any of these symptoms are present, it’s essential to have the vehicle inspected by a professional mechanic to diagnose and repair the problem.
Professional Diagnosis and Repair
When the “Check AWD System” warning light appears on the Toyota Highlander dashboard, it is important to seek professional diagnosis and repair. There are several potential causes for this warning light to appear, and a certified mechanic can accurately diagnose the issue and provide the necessary repairs.
The first step in the diagnosis process is to connect the vehicle to a diagnostic scanner. This tool will read the codes stored in the Highlander’s computer system and provide information about the specific issue causing the warning light to appear. The mechanic will then use this information to determine the appropriate repairs.
Some common causes of the “Check AWD System” warning light include faulty sensors, damaged drivetrain components, and electrical issues. Depending on the specific issue, the mechanic may need to replace a component, repair wiring, or perform other maintenance tasks.
It is important to note that attempting to diagnose and repair the issue without proper training and tools can be dangerous and may cause further damage to the vehicle. Therefore, it is recommended to seek professional assistance when dealing with the “Check AWD System” warning light.
In addition to providing accurate diagnosis and repair, a certified mechanic can also ensure that the Highlander’s AWD system is functioning properly and safely. This can help prevent future issues and ensure the longevity of the vehicle.
Preventive Measures and Maintenance
Regular maintenance and preventive measures can help reduce the likelihood of encountering issues with the AWD system in a Toyota Highlander. Here are some tips to keep in mind:
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Follow the manufacturer’s maintenance schedule: Toyota provides a recommended maintenance schedule for the Highlander in the owner’s manual. It’s important to follow this schedule to ensure that the vehicle is properly maintained and any potential issues are caught early.
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Check the AWD system regularly: It’s a good idea to periodically check the AWD system to ensure that it’s functioning properly. This can be done by looking for warning lights on the dashboard or by taking the vehicle to a qualified mechanic for a diagnostic check.
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Inspect tires regularly: The condition of the tires can have a significant impact on the performance of the AWD system. Make sure to inspect the tires regularly and replace them when necessary. It’s also important to ensure that the tires are properly inflated and balanced.
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Avoid harsh driving conditions: Driving in harsh conditions, such as deep snow or mud, can put a strain on the AWD system. If possible, avoid driving in these conditions or take extra precautions to ensure that the vehicle is properly prepared.
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Use high-quality parts: When replacing parts on the AWD system, it’s important to use high-quality parts that are designed to work with the Highlander. Using subpar parts can lead to issues down the line.
By following these tips, Highlander owners can help ensure that their vehicle’s AWD system is functioning properly and avoid costly repairs down the line.
Conclusion
In conclusion, the Toyota Highlander’s AWD system is an intelligent drive system with a high level of technology and automation. It is essential to check the all-wheel drive (AWD) system regularly to ensure it’s working correctly. The Check AWD System message indicates that there is a problem with the AWD system, and immediate action is required to prevent further damage to the vehicle.
If the Check AWD System message appears on the dashboard, the owner should take the car to a certified Toyota service center for diagnosis and repair. Some of the common causes of the Check AWD System message include faulty speed sensors, ignition issues, and a faulty AWD system.
Regular maintenance of the AWD system can help prevent issues and ensure that the vehicle’s performance is optimal. The owner should refer to the vehicle’s manual for the recommended maintenance schedule and follow it accordingly.
In summary, the AWD system in the Toyota Highlander is a modern feature that provides excellent performance and traction in various driving conditions. Regular maintenance and prompt diagnosis of any issues can help ensure that the AWD system works correctly and provides a safe and reliable driving experience.
Frequently Asked Questions
What does it mean when it says check AWD system?
When the check AWD system warning light comes on in your Toyota Highlander, it means that there is a problem with the All-Wheel Drive (AWD) system. It could be a minor issue such as a disconnected wire or a major problem like a malfunctioning AWD control module. It is recommended to take your vehicle to an authorized Toyota service center as soon as possible to diagnose and fix the issue.
What is the AWD system malfunction on a Toyota Highlander?
The AWD system malfunction on a Toyota Highlander refers to any issue that prevents the AWD system from functioning properly. It could be caused by a variety of factors such as a faulty AWD control module, a damaged AWD coupling, or a disconnected wire. It is important to get the issue diagnosed and fixed as soon as possible to prevent further damage to your vehicle.
Is it safe to drive with AWD light on?
It is not recommended to drive with the AWD light on in your Toyota Highlander. The AWD system is an important safety feature that provides better traction and stability on slippery roads. If the AWD system is not functioning properly, it can affect the vehicle’s handling and increase the risk of accidents. It is best to get the issue diagnosed and fixed as soon as possible.
What does AWD and check engine light mean?
If both the AWD and check engine lights are on in your Toyota Highlander, it could indicate a serious problem with the vehicle’s engine or AWD system. It is recommended to stop driving the vehicle immediately and have it towed to an authorized Toyota service center for diagnosis and repair.
How much does it cost to fix AWD system on Toyota Highlander?
The cost to fix the AWD system on a Toyota Highlander can vary depending on the extent of the damage and the parts that need to be replaced. It is recommended to get a quote from an authorized Toyota service center to get an accurate estimate.
How often should I check the AWD system on my Toyota Highlander?
It is recommended to have the AWD system on your Toyota Highlander checked at least once a year or as recommended in the vehicle’s owner’s manual. Regular maintenance and inspections can help prevent major issues and ensure that the AWD system is functioning properly.