how to fix the infotainment system in my Toyota Highlander Third Generation (2014-2019)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface, and the ignition is turned off.
• Disconnect the negative terminal of the battery to prevent electrical shorts.

2. Accessing the Infotainment Unit

• Tools Required: Socket set, trim removal tools.
• Carefully remove the trim panel surrounding the infotainment system using trim removal tools to avoid damage.
• Unscrew and remove the screws securing the infotainment unit in place.

3. Inspecting and Replacing Components

• Check all wiring harnesses connected to the infotainment unit for any loose connections or damage.
• If a software update was identified during diagnostics, download the update onto a USB drive and follow the manufacturer’s instructions to install it.
• If the unit is physically damaged, replace it with a new or refurbished unit compatible with the 2014-2019 Toyota Highlander.

4. Reassembly

• Reinstall the infotainment unit by reversing the disassembly steps.
• Secure it with screws and reattach the trim panel around the unit.
• Reconnect the negative terminal of the battery.