how to fix the rear sliding door on Toyota Highlander Third Generation (2014-2019)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle battery to prevent electrical short circuits.
• Ensure the vehicle is parked on a level surface.

2. Remove the Door Panel

• Tools Required: Screwdriver set, trim removal tool, socket set.
• Remove screws from the door panel using the screwdriver.
• Carefully use the trim removal tool to detach the door panel from the clips.
• Disconnect any wiring harnesses attached to the panel.

3. Inspect and Clean the Door Track

• Check for debris or foreign objects in the door track.
• Use a soft brush and vacuum to clean the track thoroughly.
• Lubricate the track with a silicone-based lubricant to ensure smooth operation.

4. Check the Door Motor and Mechanism

• Locate the door motor and check for any visible damage.
• Disconnect the motor and test it with a multimeter for proper voltage.
• If the motor is faulty, replace it with a new one.
• Reconnect the motor and ensure it is securely mounted.

5. Reassemble the Door Panel

• Reconnect any wiring harnesses to the door panel.
• Align the panel back onto the door and press it into place.
• Replace all screws and ensure the panel is secure.

6. Final Checks

• Reconnect the vehicle battery.
• Test the door function using the remote and interior buttons.
• Observe the door's movement to ensure it operates smoothly.