how to fix the rearview camera not working in my 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

466 words

Problem Statement

Learn how to diagnose and fix the rearview camera not working in a 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 components to prevent shocks or shorts.

Symptoms

•Rearview camera display is blank
•Error message on the infotainment screen
•Camera lens appears dirty or obstructed
•No audio or visual cues when reversing
•Check camera system message on the dashboard

Diagnostic Steps

1
Inspect the camera lens for dirt, debris, or obstructions.
2
Check the vehicle's fuse box for any blown fuses related to the rearview camera system.
3
Use an OBD-II scanner to check for any error codes related to the camera system.
4
Verify connections to the rearview camera for any loose or damaged wiring.
5
Test the camera with a multimeter to ensure it is receiving power.

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
•Multimeter
•OBD-II scanner
•Screwdriver set
•Cleaning supplies (cloth, mild cleaner)

Parts Required

•Replacement fuses (if necessary)
•Wiring harness (if any wires are damaged)

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Diagnostic Steps

1
Inspect the camera lens for dirt, debris, or obstructions.
2
Check the vehicle's fuse box for any blown fuses related to the rearview camera system.
3
Use an OBD-II scanner to check for any error codes related to the camera system.
4
Verify connections to the rearview camera for any loose or damaged wiring.
5
Test the camera with a multimeter to ensure it is receiving power.

Solution

1. Preparation

Gather tools and parts.
Disconnect the negative battery terminal to prevent electrical shorts.

Tools Required:

Socket set
Multimeter
OBD-II scanner
Screwdriver set
Cleaning supplies (cloth, mild cleaner)

2. Inspect and Clean Camera Lens

Locate the rearview camera mounted on the rear of the vehicle.
Wipe the camera lens with a clean cloth and mild cleaner to remove any dirt or debris.
Ensure the lens is free from obstructions.

3. Check and Replace Fuses

Open the fuse box located under the dashboard or in the engine compartment.
Locate the fuse for the rearview camera (consult the owner’s manual for the exact location).
Remove the fuse using pliers and check if it is blown. Replace with a new fuse of the same amperage if necessary.

4. Inspect Wiring Connections

Remove the rear trim panel if necessary to access the camera wiring.
Check for any loose, damaged, or corroded wiring connections.
Reconnect any loose wires securely and replace damaged wiring as needed.

5. Test Camera Functionality

Reconnect the negative battery terminal.
Start the vehicle and shift into reverse to check if the camera is functioning.
If the camera still does not work, connect a multimeter to the camera wiring to check for voltage.

Parts Required:

Replacement fuses (if necessary)
Wiring harness (if any wires are damaged)