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

551 words

Problem Statement

Learn how to diagnose and fix the rearview camera not working on a 2020-present Toyota Highlander. 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 systems to avoid shorts or shocks.

Symptoms

•No image displayed on the infotainment screen when the vehicle is in reverse
•Backup warning sensors not activating
•Check camera system warning on the dashboard (if applicable)
•Flickering or intermittent video feed (if partially working)
•No sound from the rear parking sensors (if equipped)

Diagnostic Steps

1
Inspect the vehicle's rearview camera lens for any obstructions or damage.
2
Check the vehicle’s infotainment system settings to ensure the camera is enabled.
3
Scan the vehicle's onboard diagnostic system with an OBD-II scanner for any error codes related to the camera or display system.
4
Verify the wiring and connections at the rear camera and any related connectors for signs of damage or loose connections.
5
Check the fuse related to the rearview camera system in the fuse box.
6
Test the infotainment system for software updates that may address camera issues.

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
•Flathead screwdriver

Parts Required

•Rearview camera (if damaged)
•Replacement fuse (if blown)

Related Faults

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Symptoms

•No image displayed on the infotainment screen when the vehicle is in reverse

•Backup warning sensors not activating

•Check camera system warning on the dashboard (if applicable)

•Flickering or intermittent video feed (if partially working)

•No sound from the rear parking sensors (if equipped)

Diagnostic Steps

1
Inspect the vehicle's rearview camera lens for any obstructions or damage.
2
Check the vehicle’s infotainment system settings to ensure the camera is enabled.
3
Scan the vehicle's onboard diagnostic system with an OBD-II scanner for any error codes related to the camera or display system.
4
Verify the wiring and connections at the rear camera and any related connectors for signs of damage or loose connections.
5
Check the fuse related to the rearview camera system in the fuse box.
6
Test the infotainment system for software updates that may address camera issues.

Solution

1. Preparation

Gather necessary tools: OBD-II scanner, multimeter, socket set, and a flathead screwdriver.
Ensure the vehicle is parked on a level surface with the ignition off.
Disconnect the vehicle's battery to prevent electrical shorts during repairs.

2. Inspect and Clean Camera

Locate the rearview camera mounted above the license plate.
Use a soft cloth to gently clean the camera lens to remove any dirt or debris.
Inspect the camera housing for cracks or signs of damage. If damaged, replacement may be necessary.

3. Check Connections

Remove any covers or panels to access the rearview camera connector.
Inspect the wiring harness for frayed wires or corrosion.
Use a multimeter to check for continuity in the wiring from the camera to the infotainment system.
Reconnect any loose or damaged connections securely.

4. Replace Fuse (if necessary)

Locate the fuse box, typically found under the dashboard or in the engine compartment.
Refer to the owner's manual for the specific fuse location related to the rearview camera.
Remove the fuse and inspect it for any signs of damage; replace it with a new fuse of the same rating if blown.

5. Reconnect Battery and Test

Reconnect the vehicle's battery.
Start the vehicle and shift into reverse to check if the rearview camera is functioning properly.
Ensure the infotainment system is set to display the rearview camera feed.