How To Put 2019 Toyota 4Runner In 4WD?

Putting your 2019 Toyota 4Runner in 4WD is straightforward, and understanding the process ensures you’re ready for various terrains. At millertoyota.net, we provide comprehensive guides and expert advice to help you confidently operate your Toyota 4Runner, maximizing its capabilities while ensuring optimal performance, so let’s explore shifting into 4WD and understanding the different modes. This knowledge can improve your driving experience and protect your vehicle.

1. Understanding the 4WD System in Your 2019 Toyota 4Runner

The 2019 Toyota 4Runner offers a robust 4WD system designed to handle various driving conditions. Understanding the different modes and how to engage them is crucial for maximizing your vehicle’s capabilities.

1.1. What are the Different 4WD Modes Available?

The 2019 Toyota 4Runner typically features three primary 4WD modes, each designed for specific driving conditions. Knowing these modes can significantly enhance your driving experience and vehicle performance.

2H (2-Wheel Drive High): This mode is for normal on-road driving. The engine power is sent only to the rear wheels, providing better fuel efficiency and a smoother ride on paved surfaces. This is the default mode for everyday driving.
4H (4-Wheel Drive High): This mode is suitable for slippery surfaces like snow, ice, or gravel. It engages all four wheels, providing enhanced traction and stability. You can typically shift into 4H while driving at moderate speeds.
4L (4-Wheel Drive Low): This mode is designed for extreme off-road conditions, such as steep inclines or deep mud. It provides maximum torque and traction at lower speeds. Engaging 4L usually requires the vehicle to be stopped or moving very slowly.

1.2. How Does the 4WD System Work in the 2019 4Runner?

The 4WD system in the 2019 Toyota 4Runner works by distributing engine power to all four wheels, enhancing traction and control. This is achieved through a transfer case, which manages the power distribution between the front and rear axles. According to Toyota’s official documentation, the 4Runner’s part-time 4WD system is designed for off-road use and conditions where additional traction is needed. The system includes:

Transfer Case: The transfer case is the heart of the 4WD system, responsible for shifting between 2H, 4H, and 4L modes.
Front and Rear Differentials: These differentials allow the wheels on each axle to rotate at different speeds, which is essential for turning. In 4L mode, the center differential may be locked to provide equal power distribution to both axles.
Electronic Controls: Modern 4Runners use electronic controls to simplify the shifting process. Buttons or a shift lever allow drivers to select the desired 4WD mode.

1.3. When Should You Use Each 4WD Mode?

Knowing when to use each 4WD mode ensures optimal performance and prevents unnecessary wear on your vehicle. Here’s a practical guide:

2H (2-Wheel Drive High):
- Conditions: Dry, paved roads.
- Benefits: Best fuel economy, smooth ride.
- Usage: Daily commuting, highway driving.
4H (4-Wheel Drive High):
- Conditions: Slippery surfaces such as snow, ice, gravel, or light mud.
- Benefits: Enhanced traction and stability.
- Usage: Driving on snowy roads, gravel paths, or wet surfaces.
4L (4-Wheel Drive Low):
- Conditions: Extreme off-road situations, steep inclines, deep mud, or rocky terrain.
- Benefits: Maximum torque and traction at low speeds.
- Usage: Rock crawling, navigating deep mud, climbing steep hills.

2. Step-by-Step Guide to Engaging 4WD in Your 2019 Toyota 4Runner

Engaging 4WD in your 2019 Toyota 4Runner is a simple process. Follow these steps to ensure a smooth and effective transition.

2.1. How to Shift into 4H (4-Wheel Drive High)

Shifting into 4H can typically be done while the vehicle is in motion. Here’s how:

Ensure Vehicle is Moving: Drive at a speed below 50 mph (80 km/h).
Shift to 4H: Locate the 4WD selector. It may be a lever or a button labeled “4H.” Shift the lever or press the button to engage 4H.
Confirmation: A light on the dashboard will indicate that 4H is engaged. This may take a few moments.
Test: Gently accelerate to ensure the system is engaged and functioning correctly. You should feel the increased traction.

Toyota 4Runner 4 Wheel Drive Control

2.2. How to Shift into 4L (4-Wheel Drive Low)

Shifting into 4L requires the vehicle to be stopped and in neutral. Follow these steps:

Stop the Vehicle: Bring your 4Runner to a complete stop on a level surface.
Shift to Neutral: Place the transmission in Neutral (N).
Engage 4L: Locate the 4WD selector and shift it to 4L. You may need to apply slight pressure or jiggle the lever.
Confirmation: Wait for the 4L indicator light to illuminate on the dashboard. This may take a few seconds.
Shift to Drive: Shift the transmission into Drive (D) and gently accelerate. You will notice the increased torque and lower speed.

2.3. How to Disengage 4WD and Return to 2H

Disengaging 4WD is just as important as engaging it. Here’s how to return to 2H:

Stop the Vehicle (If in 4L): If you are in 4L, stop the vehicle completely.
Shift to Neutral (If in 4L): Place the transmission in Neutral (N).
Shift to 2H: Move the 4WD selector back to 2H.
Confirmation: Wait for the 2H indicator light to illuminate on the dashboard, indicating that 2H is engaged.
Test: Drive a short distance to ensure the system has disengaged properly. You should feel the vehicle return to normal on-road driving.

2.4. Tips for Smooth Shifting

To ensure smooth shifting between 4WD modes, consider these tips:

Read the Manual: Always consult your 2019 Toyota 4Runner owner’s manual for specific instructions and recommendations.
Understand Speed Limits: Be aware of the speed limits for each 4WD mode. Shifting at the appropriate speed can prevent damage to the system.
Avoid Hard Surfaces: Do not use 4H or 4L on dry, paved roads. This can cause drivetrain binding and damage.
Regular Maintenance: Keep your 4WD system well-maintained with regular inspections and fluid changes. This ensures optimal performance and longevity.
Listen to Your Vehicle: Pay attention to any unusual noises or vibrations while shifting. If you notice anything concerning, have your vehicle inspected by a professional mechanic.

3. Common Issues and Troubleshooting

Even with proper use, issues can sometimes arise with the 4WD system. Knowing how to identify and troubleshoot common problems can save you time and money.

3.1. What to Do If the 4WD Light is Blinking?

A blinking 4WD light indicates that the system is trying to engage but is encountering a problem. Here are some steps to troubleshoot:

Stop and Restart: Stop the vehicle, turn it off, and restart it. Sometimes, this can reset the system.
Check Connections: Ensure all electrical connections to the 4WD system are secure.
Try Shifting Again: Attempt to shift into the desired 4WD mode again, following the correct procedure.
Consult a Mechanic: If the light continues to blink, there may be a more serious issue. Consult a qualified mechanic for diagnosis and repair.

3.2. What Causes the 4WD to Not Engage?

Several factors can prevent the 4WD system from engaging. Here are some common causes:

Electrical Issues: Problems with the electrical system, such as faulty sensors or wiring, can prevent the 4WD from engaging.
Vacuum Leaks: Some older 4WD systems rely on vacuum to engage. Leaks in the vacuum lines can prevent the system from working.
Faulty Actuator: The actuator is responsible for physically engaging the 4WD. If it fails, the system will not engage.
Transfer Case Problems: Issues within the transfer case itself, such as worn gears or lack of lubrication, can prevent engagement.

3.3. How to Reset the 4WD System?

Resetting the 4WD system can sometimes resolve minor issues. Here’s a simple method:

Stop the Vehicle: Bring your 4Runner to a complete stop.
Disconnect the Battery: Disconnect the negative terminal of the battery for about 15 minutes.
Reconnect the Battery: Reconnect the negative terminal.
Start the Vehicle: Start the vehicle and try engaging the 4WD system again.

3.4. When to Seek Professional Help

If you are unable to resolve 4WD issues with basic troubleshooting, it’s time to seek professional help. Here are some situations where a mechanic is necessary:

Persistent Blinking Light: If the 4WD light continues to blink after troubleshooting.
Unusual Noises: If you hear grinding, clicking, or other unusual noises when trying to engage 4WD.
Lack of Engagement: If the 4WD system simply refuses to engage despite following the correct procedures.
Complex Issues: If you suspect there may be a more serious problem with the transfer case, actuator, or other components.

4. Maintenance Tips for Your 2019 Toyota 4Runner’s 4WD System

Proper maintenance is essential for keeping your 2019 Toyota 4Runner’s 4WD system in top condition. Regular maintenance can prevent costly repairs and ensure reliable performance.

4.1. Regular Fluid Checks and Changes

Regularly checking and changing the fluids in your 4WD system is crucial. The transfer case and differentials require specific lubricants to function properly.

Transfer Case Fluid: Check the transfer case fluid every 30,000 miles (48,000 km) and change it as recommended in your owner’s manual.
Differential Fluid: Check the front and rear differential fluids every 30,000 miles (48,000 km) and change them according to the manufacturer’s recommendations.

4.2. Inspecting the Drivetrain Components

Regularly inspect the drivetrain components for wear and damage. This includes:

U-Joints: Check the U-joints for play or looseness. Replace them if necessary.
Driveshafts: Inspect the driveshafts for dents, cracks, or other damage.
CV Joints: Check the CV joints for leaks or damage.

4.3. Keeping the System Clean

Keeping the 4WD system clean can prevent corrosion and ensure smooth operation.

Wash Regularly: Wash your vehicle regularly, especially after off-road driving, to remove mud, dirt, and debris.
Underbody Wash: Use an underbody wash to clean the underside of your vehicle, where the 4WD components are located.
Grease Fittings: Grease the fittings on the U-joints and other components to keep them lubricated.

4.4. Seasonal Maintenance

Seasonal maintenance is important to prepare your 4WD system for different weather conditions.

Winter Preparation: Before winter, check the 4WD system to ensure it is functioning properly. Make sure the transfer case and differential fluids are at the correct levels.
Summer Preparation: After winter, inspect the 4WD system for any damage caused by salt or other road chemicals.

5. Enhancing Your 2019 Toyota 4Runner’s Off-Road Capabilities

If you’re looking to enhance your 2019 Toyota 4Runner’s off-road capabilities, there are several upgrades and modifications you can consider.

5.1. Upgrading Tires for Better Traction

Upgrading your tires is one of the most effective ways to improve off-road traction. Consider these options:

All-Terrain Tires: These tires offer a good balance between on-road comfort and off-road traction. They are suitable for a variety of conditions, including gravel, dirt, and snow.
Mud Tires: These tires are designed for extreme off-road conditions, such as deep mud and rocky terrain. They provide maximum traction but can be noisy on the road.
Rock Crawling Tires: These tires are specifically designed for rock crawling. They have a soft compound and aggressive tread pattern for maximum grip on rocks.

5.2. Adding a Lift Kit for Increased Ground Clearance

Adding a lift kit can increase your 4Runner’s ground clearance, allowing you to clear larger obstacles. There are several types of lift kits available:

Spacer Lift: This is the most affordable option, which uses spacers to lift the body or suspension.
Coil Spring Lift: This involves replacing the coil springs with longer ones, providing more lift and better ride quality.
Suspension Lift: This is the most comprehensive option, which includes new shocks, springs, and other components for improved off-road performance.

5.3. Installing Skid Plates for Protection

Skid plates protect the vulnerable components under your 4Runner, such as the engine, transmission, and transfer case, from damage when off-roading.

Engine Skid Plate: Protects the engine from rocks and other debris.
Transmission Skid Plate: Protects the transmission from damage.
Transfer Case Skid Plate: Protects the transfer case from impacts.
Fuel Tank Skid Plate: Protects the fuel tank from punctures.

5.4. Adding Off-Road Lighting for Better Visibility

Adding off-road lighting can improve visibility when driving in low-light conditions. Consider these options:

LED Light Bars: These provide a wide beam of light for improved visibility.
Spotlights: These provide a focused beam of light for long-distance visibility.
Fog Lights: These provide a wide, low beam of light for improved visibility in fog or snow.
Rock Lights: These illuminate the area around the vehicle, helping you navigate rocky terrain.

6. Safety Tips for Driving in 4WD

Driving in 4WD requires additional caution and awareness. Here are some safety tips to keep in mind:

6.1. Understanding the Limitations of 4WD

4WD provides enhanced traction but does not make your vehicle invincible. It’s important to understand its limitations:

Does Not Improve Braking: 4WD does not improve braking performance. It helps with acceleration and traction but does not shorten stopping distances.
Does Not Prevent Skidding: 4WD can help prevent skidding, but it cannot eliminate the risk entirely. Use caution when driving on slippery surfaces.
Can Cause Drivetrain Binding: Using 4WD on dry, paved roads can cause drivetrain binding, which can damage the system.

6.2. Adjusting Driving Techniques for Different Conditions

Adjust your driving techniques to suit the conditions:

Snow and Ice: Reduce your speed, increase following distance, and avoid sudden movements.
Mud: Maintain a steady speed and avoid stopping in deep mud.
Rocks: Drive slowly and carefully, and choose your path carefully.
Sand: Reduce tire pressure for better traction.

6.3. Avoiding Overconfidence

It’s easy to become overconfident when driving in 4WD, but it’s important to remain cautious.

Stay Aware: Pay attention to your surroundings and be aware of potential hazards.
Don’t Take Unnecessary Risks: Avoid taking unnecessary risks, such as driving too fast or attempting to cross deep water.
Know Your Limits: Know the limits of your vehicle and your own driving abilities.

6.4. Carrying Essential Recovery Gear

Always carry essential recovery gear when driving in 4WD. This includes:

Tow Strap: For pulling your vehicle out of a stuck situation.
Shovel: For digging your vehicle out of mud or sand.
Traction Boards: For providing traction on slippery surfaces.
First Aid Kit: For treating minor injuries.
Emergency Supplies: Including water, food, and warm clothing.

7. Comparing 4WD Systems: Part-Time vs. Full-Time

Understanding the difference between part-time and full-time 4WD systems can help you choose the right vehicle for your needs.

7.1. Part-Time 4WD

Part-time 4WD systems, like the one in the 2019 Toyota 4Runner, are designed to be engaged only when needed.

Engagement: Typically engaged manually by the driver.
Usage: Best suited for off-road conditions or slippery surfaces.
Limitations: Should not be used on dry, paved roads due to drivetrain binding.

7.2. Full-Time 4WD

Full-time 4WD systems are designed to be used at all times, on any surface.

Engagement: Automatically engaged and does not require driver intervention.
Usage: Suitable for a variety of conditions, including on-road and off-road driving.
Benefits: Provides consistent traction and stability.

7.3. Advantages and Disadvantages

Each type of 4WD system has its advantages and disadvantages:

Feature	Part-Time 4WD	Full-Time 4WD
Engagement	Manual	Automatic
Usage	Off-road, slippery surfaces	All conditions
Fuel Economy	Better in 2WD mode	Lower
Complexity	Simpler, fewer components	More complex, more components
Cost	Lower	Higher
Flexibility	Can switch between 2WD and 4WD as needed	Always in 4WD
Risk	Drivetrain binding if used on dry pavement	Less risk of drivetrain binding

8. Toyota 4Runner: A Legacy of Off-Road Excellence

The Toyota 4Runner has a long history of off-road excellence, dating back to its introduction in 1984.

8.1. History and Evolution of the 4Runner

The Toyota 4Runner was first introduced as a compact SUV based on the Toyota Hilux pickup truck. Over the years, it has evolved into a more refined and capable off-road vehicle.

1st Generation (1984-1989): Compact SUV based on the Toyota Hilux.
2nd Generation (1990-1995): More refined with improved comfort and features.
3rd Generation (1996-2002): Redesigned with a more modern look and improved off-road capabilities.
4th Generation (2003-2009): Independent front suspension for improved on-road handling.
5th Generation (2010-Present): Rugged design with advanced off-road features.

8.2. Key Features and Innovations

The Toyota 4Runner has been at the forefront of off-road innovation, with key features such as:

Part-Time 4WD System: Provides enhanced traction in off-road conditions.
Locking Rear Differential: Distributes power equally to both rear wheels for maximum traction.
Crawl Control: Automatically modulates the throttle and brakes for controlled off-road driving.
Multi-Terrain Select: Allows the driver to select the appropriate mode for different types of terrain.
Kinetic Dynamic Suspension System (KDSS): Improves off-road articulation and on-road stability.

8.3. Reliability and Durability

The Toyota 4Runner is known for its reliability and durability, making it a popular choice for off-road enthusiasts.

High Resale Value: 4Runners hold their value well due to their reputation for reliability.
Long Lifespan: Many 4Runners last for hundreds of thousands of miles with proper maintenance.
Proven Track Record: The 4Runner has a proven track record of off-road performance and reliability.

8.4. Why Choose a 2019 Toyota 4Runner?

Choosing a 2019 Toyota 4Runner means investing in a vehicle with a legacy of off-road excellence, reliability, and durability.

Proven Off-Road Performance: The 4Runner is designed to handle a variety of off-road conditions.
Reliable and Durable: Known for its long lifespan and high resale value.
Advanced Features: Equipped with advanced features for improved off-road performance and safety.
Versatile: Suitable for both on-road and off-road driving.
Community Support: Backed by a strong community of owners and enthusiasts.

9. Visiting Miller Toyota in Boise for Your 4Runner Needs

When it comes to your 2019 Toyota 4Runner, Miller Toyota in Boise is your trusted partner for sales, service, and genuine parts.

9.1. Overview of Miller Toyota in Boise

Miller Toyota is a reputable dealership in Boise, Idaho, known for its commitment to customer satisfaction and quality service.

Wide Selection of Vehicles: Offers a wide selection of new and used Toyota vehicles.
Experienced Staff: Knowledgeable and friendly staff dedicated to helping you find the right vehicle.
State-of-the-Art Service Center: Equipped with the latest technology for expert maintenance and repairs.
Genuine Toyota Parts: Uses genuine Toyota parts for all repairs and maintenance.
Customer-Focused Approach: Committed to providing a positive and hassle-free experience.

9.2. Services Offered

Miller Toyota offers a comprehensive range of services to meet all your 4Runner needs:

Sales: Knowledgeable sales staff to help you find the perfect 4Runner.
Financing: Flexible financing options to fit your budget.
Service: Expert maintenance and repairs by certified technicians.
Parts: Genuine Toyota parts for all your 4Runner needs.
Accessories: Wide selection of accessories to customize your 4Runner.

9.3. Why Choose Miller Toyota?

Choosing Miller Toyota means choosing quality, reliability, and exceptional customer service.

Expertise: Experienced technicians and knowledgeable staff.
Quality: Genuine Toyota parts and quality service.
Customer Satisfaction: Committed to providing a positive experience.
Convenience: Convenient location and flexible hours.
Community Involvement: Active in the local community.

9.4. Contact Information and Location

Visit Miller Toyota in Boise for all your 4Runner needs:

Address: 208 N Maple Grove Rd, Boise, ID 83704, United States.
Phone: +1 (208) 376-8888
Website: millertoyota.net

10. Frequently Asked Questions (FAQ) About 4WD in the 2019 Toyota 4Runner

Here are some frequently asked questions about using 4WD in your 2019 Toyota 4Runner:

10.1. Can I Switch to 4H While Driving?

Yes, you can typically switch to 4H while driving at speeds below 50 mph (80 km/h).

10.2. When Should I Use 4L?

Use 4L for extreme off-road conditions, such as steep inclines, deep mud, or rocky terrain.

10.3. Can I Use 4WD on Pavement?

Avoid using 4WD on dry, paved roads, as it can cause drivetrain binding and damage.

10.4. What Does the 4WD Light Blinking Mean?

A blinking 4WD light indicates that the system is trying to engage but is encountering a problem.

10.5. How Often Should I Change the Transfer Case Fluid?

Check the transfer case fluid every 30,000 miles (48,000 km) and change it as recommended in your owner’s manual.

10.6. What Are the Best Tires for Off-Roading?

All-terrain tires, mud tires, and rock crawling tires are all good options for off-roading, depending on the conditions.

10.7. How Can I Increase My 4Runner’s Ground Clearance?

You can increase your 4Runner’s ground clearance by adding a lift kit.

10.8. What Is a Locking Rear Differential?

A locking rear differential distributes power equally to both rear wheels for maximum traction.

10.9. What Is Crawl Control?

Crawl Control automatically modulates the throttle and brakes for controlled off-road driving.

10.10. Where Can I Get My 4Runner Serviced in Boise?

Visit Miller Toyota in Boise for expert maintenance and repairs by certified technicians.

Understanding how to properly engage and maintain your 2019 Toyota 4Runner’s 4WD system is essential for maximizing its capabilities and ensuring its longevity. Remember, proper maintenance, safe driving techniques, and knowing the limitations of your vehicle are crucial for a safe and enjoyable driving experience. For all your Toyota needs, visit millertoyota.net and experience the best in sales and service in the Boise area. Don’t wait, explore the possibilities today!