how to fix the rearview camera not working on Toyota Highlander XU70 (2020-Present)

Toyota Highlander XU70 (2020-Present)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

509 words

Problem Statement

Learn how to diagnose and fix the rearview camera not working on Toyota Highlander XU70 (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 prevent shock.

Symptoms

•Rearview camera display is blank or not activating
•"Check Surrounding" message appears on the screen
•Camera image is distorted or fuzzy
•No sound or warning chimes when reversing
•Backup assist features are disabled

Diagnostic Steps

1
Check for any blown fuses related to the rearview camera system.
2
Use an OBD-II scanner to check for any error codes related to the camera or display system.
3
Inspect the rearview camera lens for dirt, moisture, or obstructions.
4
Verify the camera connection at the wiring harness near the rear of the vehicle.
5
Test the display unit for proper functionality by checking other camera-related features, such as parking assist.

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

•Socket set
•OBD-II scanner
•Multimeter
•Screwdriver set

Parts Required

•Replacement fuse (if necessary)
•Wiring harness (if damaged)

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Diagnostic Steps

1
Check for any blown fuses related to the rearview camera system.
2
Use an OBD-II scanner to check for any error codes related to the camera or display system.
3
Inspect the rearview camera lens for dirt, moisture, or obstructions.
4
Verify the camera connection at the wiring harness near the rear of the vehicle.
5
Test the display unit for proper functionality by checking other camera-related features, such as parking assist.

Solution

1. Preparation

Tools Required: Socket set, OBD-II scanner, multimeter, screwdriver set
Disconnect the negative battery terminal to prevent electrical shock or damage during repairs.

2. Inspect and Clean Camera Lens

Locate the rearview camera situated above the rear license plate.
Clean the camera lens using a soft cloth and mild soap solution to remove dirt or moisture.
Ensure there are no obstructions that could impede the camera’s view.

3. Check and Replace Fuses

Locate the fuse box under the dashboard and the engine compartment.
Identify the fuse associated with the rearview camera (refer to the owner's manual for the exact location).
Remove the fuse and check if it is blown; replace it with a new fuse of the same amperage if necessary.

4. Inspect Wiring and Connections

Remove the cargo area trim panel to access the wiring harness connected to the rearview camera.
Check for any loose or damaged connections; reseat or repair as needed.
Use a multimeter to test continuity in the wiring for any breaks or shorts.

5. Reconnect Battery and Test Camera

Reconnect the negative battery terminal.
Start the vehicle and shift into reverse to test if the rearview camera is functioning properly.
Verify the display is clear and that the camera activates without error messages.