how to fix the rearview camera not working on my Toyota Highlander Fourth Generation (2020-present)?

Toyota Highlander Fourth Generation (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

516 words

Problem Statement

Learn how to diagnose and fix the rearview camera not working on your Toyota Highlander (2020-present). Step-by-step guide with symptoms and solutions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components to avoid shock or short circuits.

Symptoms

•Rearview camera display shows a black screen.
•Camera image is distorted or blurry.
•"Check Surrounding" warning message appears on the display.
•Camera activation delay or failure when shifting into reverse.
•No sound cues or guidelines displayed on the screen.

Diagnostic Steps

1
Inspect the rearview camera for physical damage or obstructions.
2
Check the video display settings to ensure the camera is enabled.
3
Scan the vehicle's computer for any error codes related to the camera system using an OBD-II scanner.
4
Verify the camera connection by checking the wiring harness for loose or damaged connectors.
5
Test the vehicle's reverse light operation; if they do not activate, the issue might be in the reverse switch.
6
Inspect fuses related to the rearview camera and vehicle display system.

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
•Socket set
•Screwdrivers

Parts Required

•Replacement rearview camera (if damaged)
•Wiring harness (if damaged)

Related Faults

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Diagnostic Steps

1
Inspect the rearview camera for physical damage or obstructions.
2
Check the video display settings to ensure the camera is enabled.
3
Scan the vehicle's computer for any error codes related to the camera system using an OBD-II scanner.
4
Verify the camera connection by checking the wiring harness for loose or damaged connectors.
5
Test the vehicle's reverse light operation; if they do not activate, the issue might be in the reverse switch.
6
Inspect fuses related to the rearview camera and vehicle display system.

Solution

1. Preparation

Gather tools: OBD-II scanner, multimeter, socket set, and screwdrivers.
Ensure the vehicle is parked on a level surface, and set the parking brake.
Disconnect the negative battery terminal to prevent electrical shock.

2. Inspect and Clean Camera

Locate the rearview camera, typically mounted on the tailgate or rear bumper.
Remove any dirt, debris, or ice obstructing the camera lens using a microfiber cloth.
Check for physical damage to the camera casing or lens.

3. Check Wiring and Connections

Remove the trim panel around the rearview camera, if necessary, to access wiring.
Inspect the wiring harness for frayed or damaged wires.
Ensure all connections are secure; reconnect any loose connections.

4. Replace Faulty Components

If the camera is damaged or non-functional, replace it:
- Remove the old camera: Unscrew the camera from its mount and disconnect the wiring harness.
- Install the new camera: Connect the wiring harness to the new camera and secure it in place.
If the wiring harness is damaged, replace it with a new one.

5. Reassemble and Test

Reattach any trim panels removed during the inspection.
Reconnect the negative battery terminal.
Start the vehicle, shift into reverse, and check if the rearview camera operates correctly.