how to fix the rearview camera not working on Toyota Highlander Third Generation (2014-2019)

Toyota Highlander Third Generation (2014-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

549 words

Problem Statement

Learn how to diagnose and fix the rearview camera not working on Toyota Highlander (2014-2019). 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 prevent shocks or short circuits.
•Ensure the vehicle is parked on a stable surface to prevent movement while working.

Symptoms

•Rearview camera display is blank or not activated
•"Check Camera" message appears on the dashboard
•Camera feed shows distorted or unclear images
•Reverse gear engaged but no camera activation
•Monitor does not switch to rearview camera when in reverse

Diagnostic Steps

1
Inspect the rearview camera lens for dirt, damage, or obstructions.
2
Check the connections and wiring harness at the rearview camera for corrosion or loose connections.
3
Use an OBD-II scanner to check for any fault codes related to the rearview camera system.
4
Verify the functionality of the display unit by testing other functions (e.g., navigation, audio).
5
Inspect the fuse related to the rearview camera system for any blown fuses.

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
•Screwdriver set
•Microfiber cloth

Parts Required

•Rearview camera (if defective)
•Replacement wiring harness (if damaged)

Related Faults

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Diagnostic Steps

1
Inspect the rearview camera lens for dirt, damage, or obstructions.
2
Check the connections and wiring harness at the rearview camera for corrosion or loose connections.
3
Use an OBD-II scanner to check for any fault codes related to the rearview camera system.
4
Verify the functionality of the display unit by testing other functions (e.g., navigation, audio).
5
Inspect the fuse related to the rearview camera system for any blown fuses.

Solution

1. Preparation

Gather required tools and parts.
Park the vehicle on a level surface and ensure the ignition is off.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect and Clean Camera

Locate the rearview camera mounted on the tailgate.
Use a microfiber cloth and a mild cleaning solution to clean the camera lens.
Check for any obstructions such as dirt or debris and clear them away.

3. Check Connections

Remove the rear trim panel to access the camera wiring.
Inspect the camera connector for any signs of damage or corrosion.
Ensure the connector is securely attached; if loose, reconnect it firmly.

4. Test Wiring

Use a multimeter to check the voltage at the camera connector when the vehicle is in reverse.
If there is no voltage, trace the wiring back to identify any breaks or shorts.

5. Replace Camera (if necessary)

If the camera is deemed faulty, remove the camera by unscrewing it from its mount.
Disconnect the wiring harness by releasing the locking tab.
Install the new camera by reversing the removal steps and ensuring the wiring is secure.

6. Reassemble and Test

Reattach the rear trim panel securely.
Reconnect the negative battery terminal.
Start the vehicle, engage reverse, and check if the rearview camera functions correctly.