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How can I fix the rearview camera malfunction in my 2018 Toyota Camry XV70? - Toyota Camry
Home/Cars/Toyota/Camry/XV70 (2018-2024)/How can I fix the rearview camera malfunction in my 2018 Toyota Camry XV70?

How can I fix the rearview camera malfunction in my 2018 Toyota Camry XV70?

Toyota Camry XV70 (2018-2024)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Error Code: U0140, U0184
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
583 words

Problem Statement

Learn how to diagnose and fix rearview camera malfunctions in your 2018 Toyota Camry XV70 with step-by-step instructions and required tools.

Error Code
U0140, U0184
Affected Component
rearview camera
Estimated Time
2-4 hours

Symptoms

  • •Rearview camera display is blank or shows a distorted image.
  • •Camera warning message on the dashboard.
  • •Camera not activating when the vehicle is in reverse.
  • •Intermittent functionality or image flickering.

Diagnostic Steps

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

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
  • •Basic hand tools (socket set, screwdrivers)
  • •Torx screwdriver
  • •Cleaning cloth
  • •Mild cleaning solution

Additional Information

Error Code
U0140, U0184
Affected Component
rearview camera
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
6 items

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Back to Generation

Fixing Rearview Camera Malfunction in 2018 Toyota Camry XV70

Step 1: Visual Inspection

  1. Check Camera Lens:

    • Inspect the rearview camera lens for any dirt, debris, or physical damage.
    • Clean the lens with a soft cloth and mild cleaning solution if dirty.

  2. Examine Wiring and Connections:

    • Inspect the wiring harness connected to the rearview camera for any signs of wear, fraying, or disconnection.
    • Ensure that the connector is securely plugged in.
Step 2: Check Vehicle Settings
  1. Display Settings:
    • Access the vehicle’s multimedia system and check if the rearview camera settings are enabled.
    • Refer to the owner’s manual for specific instructions on navigating the settings menu.
Step 3: Test the Camera
  1. Reverse Gear Activation:
    • With the vehicle safely parked, shift the transmission into reverse and observe if the camera activates.
    • Check if any error messages appear on the dashboard.
Step 4: Use a Diagnostic Tool
  1. OBD-II Scanner:
    • Connect an OBD-II scanner to the vehicle’s diagnostic port.
    • Check for any fault codes related to the camera system. Common codes may include U0140 (lost communication with body control module) or U0184 (lost communication with the rearview camera).
Tools Required
  • OBD-II Scanner
  • Multimeter (for checking voltage)
  • Basic hand tools (socket set, screwdrivers)
  • Torx screwdriver (for removing trim panels)
  • Cleaning cloth
  • Mild cleaning solution
Repair Instructions
Step 1: Clean and Inspect
  1. Clean Camera Lens:
    • Use a soft cloth and mild cleaning solution to clean the camera lens.
    • Ensure the lens is free of moisture and dirt.
Step 2: Check Connections
  1. Inspect Wiring:
    • Remove any necessary trim panels to access the rearview camera's wiring harness.
    • Inspect for frayed wires, corrosion, or loose connections.
    • If damaged, repair or replace the wiring as necessary.
Step 3: Test Camera Power Supply
  1. Use Multimeter:
    • Disconnect the camera from its wiring harness.
    • Use a multimeter to check for voltage at the camera connector (typically around 12V when the vehicle is in reverse).
    • If there’s no voltage, trace the wires back to the main body control module for faults.
Step 4: Replace the Camera (if necessary)

  1. Remove the Old Camera:

    • If the camera is faulty, use a Torx screwdriver to remove it from its mount.
    • Disconnect the wiring harness from the camera.

  2. Install New Camera:

    • Connect the new camera to the wiring harness.
    • Secure the camera in place with the screws.
Step 5: Reassemble Trim Panels
  1. Reinstall Panels:
    • Reattach any trim panels removed during the inspection and repair process.
    • Ensure all clips and fasteners are securely in place.
Step 6: Test the System
  1. Final Testing:
    • Start the vehicle and shift into reverse.
    • Check if the rearview camera activates and displays a clear image.
    • Observe for any error messages on the dashboard.
Conclusion

If the rearview camera still malfunctions after following these steps, the issue may be with the body control module or the multimedia system itself, requiring further diagnostic testing or professional assistance. If you feel uncertain at any step, consult a certified automotive technician for further evaluation.