how to fix the rear view camera not working in Toyota Highlander Fourth Generation (2020-present)

Toyota Highlander Fourth Generation (2020-present)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

510 words

Problem Statement

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

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components to prevent short circuits.

Symptoms

•Rear view camera display is blank or shows a black screen
•Error message on the infotainment system regarding camera malfunction
•Camera image is distorted or flickering
•No response when shifting into reverse
•Physical damage to the camera lens or housing

Diagnostic Steps

1
Inspect the rear view camera lens for any physical damages or obstructions.
2
Check the vehicle's infotainment system settings to ensure the camera is enabled.
3
Use an OBD-II scanner to check for any diagnostic trouble codes (DTCs) related to the camera system.
4
Verify the wiring and connectors leading to the camera for any signs of damage or corrosion.
5
Test the camera's power supply using a multimeter to ensure it is receiving voltage.
6
Perform a soft reset of the infotainment system to rule out software glitches.

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
•Cleaning cloth

Parts Required

•Replacement rear view camera (if necessary)

Related Faults

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Diagnostic Steps

1
Inspect the rear view camera lens for any physical damages or obstructions.
2
Check the vehicle's infotainment system settings to ensure the camera is enabled.
3
Use an OBD-II scanner to check for any diagnostic trouble codes (DTCs) related to the camera system.
4
Verify the wiring and connectors leading to the camera for any signs of damage or corrosion.
5
Test the camera's power supply using a multimeter to ensure it is receiving voltage.
6
Perform a soft reset of the infotainment system to rule out software glitches.

Solution

1. Preparation

Gather tools: OBD-II scanner, multimeter, socket set, screwdriver set, cleaning cloth.
Ensure vehicle is parked on a level surface and turned off, with keys removed.

2. Inspect and Clean

Sub-steps:
1. Visually inspect the rear view camera lens for dirt, debris, or cracks.
2. Clean the camera lens using a soft cleaning cloth and appropriate lens cleaner.
3. Check for any obstructions that might block the camera's view.

3. Check Wiring and Connections

Sub-steps:
1. Remove the rear trim panel to access the camera wiring (use appropriate tools).
2. Inspect the wiring harness for frayed wires or corrosion.
3. Disconnect and reconnect the camera wiring connector to ensure a secure connection.

4. Test Power Supply

Sub-steps:
1. Set the multimeter to measure DC voltage.
2. Connect the multimeter probes to the camera's power pins (red to positive, black to ground).
3. Shift the vehicle into reverse to check if the camera receives power (should be around 12V).

5. Replace Camera (if necessary)

Sub-steps:
1. If the camera is found faulty during testing, order a compatible replacement camera.
2. Disconnect the old camera wiring and remove it from its mount.
3. Install the new camera by reversing the removal process, ensuring it is securely mounted and connected.