my Toyota Corolla E170 (2013-2019) has a black screen on the backup camera, how do I fix it

Toyota Corolla E170 (2013-2019)

Error Codes

1-3 hours

Time

medium

Difficulty

medium

Severity

3 min read

512 words

Problem Statement

Learn how to diagnose and fix a black screen on the backup camera of a 2013-2019 Toyota Corolla E170. Step-by-step guide with diagnostic procedures.

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 avoid shorts.
•Ensure the vehicle is securely parked with the engine off during repairs.

Symptoms

•Black screen displayed when the vehicle is in reverse
•No grid lines or guidelines visible
•Camera image may flicker or show static before going dark
•Possible 'Camera Error' message on the display
•Backup sensors may still function (if equipped)

Diagnostic Steps

1
Verify if the vehicle is in reverse gear and check if the backup lights are functioning.
2
Inspect the backup camera for physical damage or obstructions.
3
Check the vehicle's fuses related to the backup camera system.
4
Use an OBD-II scanner to check for any error codes related to the camera or display system.
5
Inspect the wiring harness connecting the camera to the vehicle's electrical system for damage or loose connections.
6
Test the display unit to ensure it is functioning correctly by checking other input sources (like radio or navigation).

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

•Replacement backup camera (if damaged)
•Fuses (if blown)

Related Faults

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Diagnostic Steps

1
Verify if the vehicle is in reverse gear and check if the backup lights are functioning.
2
Inspect the backup camera for physical damage or obstructions.
3
Check the vehicle's fuses related to the backup camera system.
4
Use an OBD-II scanner to check for any error codes related to the camera or display system.
5
Inspect the wiring harness connecting the camera to the vehicle's electrical system for damage or loose connections.
6
Test the display unit to ensure it is functioning correctly by checking other input sources (like radio or navigation).

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface and the engine is turned off.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect and Clean the Camera

Remove any dirt or obstruction from the camera lens using a microfiber cloth.
Check the camera housing for cracks or damage.
If damaged, proceed to replace the camera.

3. Check and Replace Fuses

Locate the fuse box (refer to the owner's manual for the exact location).
Inspect the fuse associated with the backup camera system.
If blown, replace it with a fuse of the same amperage (usually 10-15A).

4. Repair or Replace Wiring Harness

Remove the interior trim panel that houses the wiring for the backup camera.
Inspect the wiring harness for any signs of wear, fraying, or loose connections.
Repair any damaged wires with solder and heat shrink tubing or replace the harness if necessary.

5. Reinstall and Test

Reassemble any removed components and ensure all connections are secure.
Reconnect the negative battery terminal.
Start the vehicle and engage the reverse gear to test the backup camera.