how to fix the rearview camera not working in my Toyota Highlander

Toyota Highlander Third Generation (2014-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

539 words

Problem Statement

Learn how to diagnose and fix the rearview camera not working in your Toyota Highlander. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components.
•Allow the vehicle to cool down before inspecting any components.

Symptoms

•Rearview camera display is blank or shows a distorted image
•"Check Camera" warning message displayed on the screen
•Camera intermittently working or failing to activate
•No sound or beeping when reversing
•Display screen remains frozen or unresponsive when in reverse gear

Diagnostic Steps

1
Inspect the rearview camera lens for dirt or obstructions.
2
Check the vehicle's fuse box for any blown fuses related to the rearview camera system.
3
Scan the vehicle's onboard diagnostic system with an OBD-II scanner for any error codes.
4
Visually inspect wiring and connectors for damage or corrosion.
5
Verify that the camera is receiving power by using a multimeter to check voltage at the camera connector.
6
Test the camera by connecting it to a known working system, if available.

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

•OBD-II scanner
•Multimeter
•Fuse puller
•Screwdrivers (flat and Phillips)
•Microfiber cloth
•Electrical tape

Parts Required

•Replacement rearview camera (if necessary)
•Replacement fuses (if necessary)

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Diagnostic Steps

1
Inspect the rearview camera lens for dirt or obstructions.
2
Check the vehicle's fuse box for any blown fuses related to the rearview camera system.
3
Scan the vehicle's onboard diagnostic system with an OBD-II scanner for any error codes.
4
Visually inspect wiring and connectors for damage or corrosion.
5
Verify that the camera is receiving power by using a multimeter to check voltage at the camera connector.
6
Test the camera by connecting it to a known working system, if available.

Solution

1. Preparation

Gather tools and parts required for the repair.
Disconnect the vehicle's battery to ensure safety while working on electrical systems.

2. Clean the Camera

Use a microfiber cloth to gently clean the rearview camera lens to remove dirt or obstructions.

3. Inspect and Replace Fuses

Locate the fuse box in the Toyota Highlander.
Identify the specific fuse for the rearview camera (refer to the owner's manual for the exact location).
Remove the fuse using a fuse puller or pliers.
Inspect the fuse for any breaks in the filament; replace with a new fuse of the same amperage if blown.

4. Repair or Replace Wiring

Remove any panels or covers that obstruct access to the wiring harness connected to the rearview camera.
Inspect the wiring for any signs of wear, fraying, or corrosion.
If damaged, repair the wiring using electrical tape or replace the harness as necessary.

5. Replace the Camera (if needed)

If the camera is determined to be faulty, disconnect the camera connector and remove the camera from its mount.
Install the new camera by reversing the removal process, ensuring all connectors are securely attached.

6. Reconnect Battery and Test

Reconnect the vehicle's battery.
Start the engine and shift into reverse to see if the rearview camera activates properly.