why is the backup camera black screen in my Toyota Corolla E170 (2013-2019)?

Toyota Corolla E170 (2013-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

501 words

Problem Statement

Learn how to diagnose and fix a black screen issue with the backup camera in your 2013-2019 Toyota Corolla E170. Step-by-step guide included.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components.
•Allow the vehicle to cool if working on areas near hot components.

Symptoms

•Black screen when the vehicle is in reverse
•No grid lines displayed on the screen
•Camera feed flickers or is intermittent
•No error messages on the display
•Physical damage to the camera lens or housing (if observed)

Diagnostic Steps

1
Check the vehicle's settings to ensure the backup camera is activated.
2
Inspect the camera lens for any obstructions, dirt, or physical damage.
3
Examine the wiring and connectors leading to the backup camera for loose connections or damage.
4
Use an OBD-II scanner to check for any related error codes in the vehicle's computer.
5
Test the display unit for functionality by checking other video inputs (if available).
6
Verify the reverse light operation; a malfunction here could indicate an electrical issue.

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

•Screwdriver set
•Soft cloth or lens cleaner
•OBD-II scanner (optional)

Parts Required

•Replacement backup camera (if faulty)

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Diagnostic Steps

1
Check the vehicle's settings to ensure the backup camera is activated.
2
Inspect the camera lens for any obstructions, dirt, or physical damage.
3
Examine the wiring and connectors leading to the backup camera for loose connections or damage.
4
Use an OBD-II scanner to check for any related error codes in the vehicle's computer.
5
Test the display unit for functionality by checking other video inputs (if available).
6
Verify the reverse light operation; a malfunction here could indicate an electrical issue.

Solution

1. Preparation

Gather necessary tools and parts.
Park the vehicle on a level surface and set the parking brake.
Disconnect the negative battery terminal to ensure safety.

2. Inspect and Clean the Camera

Locate the backup camera (usually mounted above the license plate).
Remove any dirt or debris from the camera lens using a soft cloth or lens cleaner.
Inspect the camera housing for cracks or physical damage.

3. Check Wiring and Connectors

Remove any paneling or covers to access the backup camera wiring and connectors.
Visually inspect the wiring harness for frays, breaks, or corrosion.
Ensure all connectors are securely attached. Disconnect and reconnect them to ensure a solid connection.

4. Test the Backup Camera

Reconnect the negative battery terminal.
Start the vehicle and put it in reverse to check if the camera displays an image.
If the camera still shows a black screen, proceed to the next step.

5. Replace the Backup Camera (if necessary)

If the camera is confirmed faulty, remove it by unscrewing the mounting screws.
Disconnect the wiring harness from the camera.
Install the new backup camera by reversing the removal process, ensuring it's securely fastened and connected.