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What should I do if the backup camera is not displaying in my 2020 Toyota Highlander? - Toyota Highlander
Home/Cars/Toyota/Highlander/Fourth Generation (2020-present)/What should I do if the backup camera is not displaying in my 2020 Toyota Highlander?

What should I do if the backup camera is not displaying in my 2020 Toyota Highlander?

Toyota Highlander Fourth Generation (2020-present)

Error Codes
2-3 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
4 min read
613 words

Problem Statement

Learn how to diagnose and fix backup camera issues in your 2020 Toyota Highlander with our step-by-step guide.

Affected Component
backup camera
Estimated Time
2-3 hours

Symptoms

  • •Backup camera screen remains blank when the vehicle is in reverse.
  • •Display shows a blue screen or 'No Signal' message.
  • •Occasionally displays the camera feed but with intermittent flickering.

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

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
  • •Screwdrivers (Phillips and flathead)
  • •Trim removal tool
  • •Socket set
  • •Electrical contact cleaner
  • •Safety glasses
  • •Gloves

Additional Information

Affected Component
backup camera
Estimated Time
2-3 hours
Difficulty
medium
Severity
medium
Tools Required
8 items

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Back to Generation
Issue: Backup Camera Not Displaying in 2020 Toyota Highlander

The backup camera not displaying can stem from several issues, including electrical problems, faulty connections, or software glitches. Below, I have outlined a step-by-step diagnostic and repair guide to help you troubleshoot and resolve this issue.

Tools Required
  • OBD-II Scanner
  • Multimeter
  • Screwdrivers (Phillips and flathead)
  • Trim removal tool
  • Socket set
  • Electrical contact cleaner
  • Safety glasses
  • Gloves

Step 1: Check the Gear Selector

  1. Ensure the vehicle is in Reverse: The backup camera only activates when the gear shift is in the reverse position. If it is in Drive or Park, the camera will not display.

Step 2: Inspect the Display Settings

  1. Check the Infotainment System:
    • Go to the settings menu on your infotainment system.
    • Navigate to the camera settings and ensure that the backup camera feature is enabled.

Step 3: Check for Software Updates

  1. Update the Infotainment System:
    • Connect a USB drive with the latest software version downloaded from the Toyota website.
    • Follow the on-screen instructions to update the system.

Step 4: Inspect the Camera and Wiring

  1. Visual Inspection:

    • Check the backup camera lens for dirt or obstructions.
    • Clean the lens with a soft, lint-free cloth.

  2. Check Connections:

    • Use a trim removal tool to carefully remove the interior trim covering the camera wiring (usually located near the tailgate).
    • Inspect the wiring harness for frayed wires or loose connections.
    • Ensure that the connector for the camera is secure and free of corrosion.

Step 5: Test Voltage at the Camera

  1. Use a Multimeter:
    • Disconnect the camera connector.
    • Set the multimeter to DC voltage and check the power supply at the wiring harness.
    • Reference the vehicle's wiring diagram to identify the correct pins for power and ground.
    • If there is no voltage, trace the wiring back to the head unit and inspect for breaks or shorts.

Step 6: Check the Head Unit

  1. OBD-II Scanner:
    • Connect an OBD-II scanner to the vehicle's port.
    • Check for any diagnostic trouble codes (DTCs) related to the backup camera or infotainment system.
    • Note any codes and refer to the service manual for specific troubleshooting steps.
Repair Instructions

Step 1: Reconnect or Repair Wiring

  • If Loose Connections Are Found:

    • Reconnect any loose connections securely.
    • Use electrical contact cleaner on connectors to ensure a good connection.

  • If Wiring Is Damaged:

    • Cut the damaged sections and splice in new wire using solder and heat shrink tubing or butt connectors.

Step 2: Replace the Backup Camera

  • If the camera is faulty:
    • Remove the backup camera unit from its housing (typically involves unscrewing it from the tailgate).
    • Disconnect the wiring harness from the camera.
    • Install the new backup camera by reversing the removal steps.

Step 3: Reset the Infotainment System

  1. Factory Reset:
    • Go to the settings menu on the infotainment screen.
    • Navigate to “System” and select “Factory Reset.”
    • Follow prompts to reset the system. This often resolves software-related issues.
Conclusion

After completing the steps above, test the backup camera by shifting the vehicle into reverse. If the camera displays as expected, the issue is resolved. If the problem persists, further diagnostics may involve professional assistance to check the head unit or advanced wiring issues.