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What are the common issues with the power windows in the 2020 Toyota Highlander? - Toyota Highlander
Home/Cars/Toyota/Highlander/Fourth Generation (2020-present)/What are the common issues with the power windows in the 2020 Toyota Highlander?

What are the common issues with the power windows in the 2020 Toyota Highlander?

Toyota Highlander Fourth Generation (2020-present)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
4 min read
616 words

Problem Statement

Learn about common power window issues in the 2020 Toyota Highlander, including symptoms, diagnostic steps, and repair instructions.

Affected Component
power windows
Estimated Time
2-4 hours

Symptoms

  • •Window Won't Move
  • •Slow Operation
  • •Unusual Noises
  • •One-Window Failure
  • •Intermittent Operation
  • •Window Stuck

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •Multimeter
  • •Screwdriver set (Phillips and flathead)
  • •Trim removal tool
  • •Wire strippers
  • •Electrical tape
  • •Replacement parts (switch, motor, or wiring as needed)

Additional Information

Affected Component
power windows
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
6 items

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Back to Generation

Common Issues with Power Windows in the 2020 Toyota Highlander

Power windows are a convenience feature in modern vehicles, including the 2020 Toyota Highlander (XU70). However, like any electrical system, they can encounter issues. Here are some common problems, symptoms, diagnostic steps, tools required, and repair instructions.

Common Symptoms of Power Window Issues
  1. Window Won't Move: The window does not respond when the switch is pressed.
  2. Slow Operation: The window moves very slowly compared to others.
  3. Unusual Noises: Grinding or popping sounds when operating the window.
  4. One-Window Failure: Only one window is malfunctioning while others work fine.
  5. Intermittent Operation: The window works sporadically.
  6. Window Stuck: The window is stuck in one position and cannot be raised or lowered.
1. Visual Inspection
  • Check for Obstructions: Inspect the window track for debris or obstructions that could prevent movement.
  • Inspect the Window Seal: Look for any damage to the window seal that might affect its operation.
2. Switch Functionality
  • Test the Window Switch: Use a multimeter to check the continuity of the power window switch. If there is no continuity, the switch may need replacement.
3. Power Supply Check
  • Measure Voltage: With a multimeter, check for voltage at the window motor connector when the switch is pressed. You should see around 12V.
  • Check Fuses: Inspect the fuse box for blown fuses related to the power windows.
4. Motor Operation
  • Direct Power Test: If the switch and fuse are functional, provide direct power to the window motor from a battery to see if it operates.
5. Wiring Inspection
  • Inspect Wiring Harness: Check the wiring harness for any signs of wear, corrosion, or breakage that could affect the power window operation.
Tools Required
  • Multimeter
  • Screwdriver set (Phillips and flathead)
  • Trim removal tool
  • Wire strippers
  • Electrical tape
  • Replacement parts (switch, motor, or wiring as needed)
Repair Instructions
Repairing a Non-Responsive Window

  1. Remove Door Panel:

    • Use a screwdriver and trim removal tool to carefully remove the door panel screws and clips.
    • Disconnect any connectors for switches or speakers.

  2. Inspect Window Motor and Switch:

    • Disconnect the window motor connector and check for voltage when the switch is activated.
    • If no voltage is detected, replace the window switch.
    • If voltage is present but the motor does not work, replace the window motor.

  3. Install New Motor (if applicable):

    • Remove the old motor by unscrewing it from the window regulator.
    • Install the new motor in reverse order and reattach the connectors.

  4. Reassemble Door Panel:

    • Reattach the door panel by securing the screws and clips.
    • Reconnect any electrical connectors.

  5. Test Operation:

    • Before fully reassembling, test the window operation to ensure it is functioning correctly.
Repairing a Stuck Window

  1. Check for Obstructions: Clear any debris from the window track.

  2. Inspect Window Regulator:

    • If the window is still stuck, the window regulator may need to be replaced.
    • Follow steps to remove the door panel as described above.
    • Disconnect the window from the regulator if necessary.
    • Replace the window regulator if it shows signs of failure.

  3. Reassemble and Test: Follow the reassembly steps and check that the window moves freely.

Conclusion

The power window issues in a 2020 Toyota Highlander can often be traced back to the switch, motor, or wiring problems. By carefully diagnosing the issue with the outlined steps, you can identify the root cause and carry out the necessary repairs effectively. Always consult the vehicle’s service manual for specific procedures and specifications.