FAULTBASE
Error CodesASKCars
© 2026 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
How can I fix the exterior lights not working in my 2021 Toyota Camry? - Toyota Camry
Home/Cars/Toyota/Camry/Eighth Generation (2018-present)/How can I fix the exterior lights not working in my 2021 Toyota Camry?

How can I fix the exterior lights not working in my 2021 Toyota Camry?

Toyota Camry Eighth Generation (2018-present)

Error Codes
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
584 words

Problem Statement

Learn how to diagnose and repair exterior lights not working in your 2021 Toyota Camry with step-by-step instructions and required tools.

Affected Component
exterior lighting system

Symptoms

  • •No exterior lights: Headlights, taillights, turn signals, and marker lights are non-functional.
  • •Dashboard warning lights: Possible warning indicators related to lighting may appear on the dashboard.
  • •Fuses: Fuses related to the exterior lights may be blown.

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

  • •Multimeter
  • •Fuse puller or pliers
  • •OBD-II scanner
  • •Screwdrivers (Phillips and flathead)
  • •Replacement bulbs (if necessary)
  • •Electrical contact cleaner
  • •Wire stripper and crimping tool (if necessary)

Additional Information

Affected Component
exterior lighting system
Difficulty
medium
Severity
medium
Tools Required
7 items

Related Faults

Loading...

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation

Fixing Exterior Lights Not Working in a 2021 Toyota Camry

Tools Required
  • Multimeter
  • Fuse puller or pliers
  • OBD-II scanner
  • Screwdrivers (Phillips and flathead)
  • Replacement bulbs (if necessary)
  • Electrical contact cleaner
  • Wire stripper and crimping tool (if necessary)
Repair Instructions
Step 1: Check the Light Switch
  1. Turn on the Ignition: Make sure the vehicle is in the "ON" position.
  2. Toggle the Light Switch: Cycle through the light settings (OFF, AUTO, ON) and observe if any lights activate.
Step 2: Inspect the Fuses
  1. Locate the Fuse Box:
    • Under the dashboard (driver's side).
    • Under the hood (near the battery).
  2. Remove the Cover: Take off the cover to access the fuses.
  3. Identify the Light Fuses: Refer to the fuse diagram on the cover or vehicle manual.
  4. Check the Fuses:
    • Pull out the fuses related to the exterior lights using a fuse puller.
    • Inspect for any broken filament or discoloration.
  5. Replace Blown Fuses: If a fuse is blown, replace it with one of the same amperage.
Step 3: Test the Bulbs
  1. Access the Bulbs: For headlights, remove the headlight assembly if necessary (consult the manual).
  2. Inspect the Bulbs: Check for any burned-out bulbs.
  3. Replace as Necessary: If a bulb is burnt out, remove it and replace it with a new one.
Step 4: Examine Wiring and Connectors
  1. Visual Inspection: Look for any frayed or damaged wires around the light assemblies.
  2. Use a Multimeter: Set the multimeter to continuity mode and check the wiring from the fuse to the light fixtures.
    • If there is no continuity, repair or replace the wiring as necessary.
Step 5: Scan for Error Codes
  1. Connect the OBD-II Scanner: Plug the scanner into the OBD-II port (usually located near the driver's side under the dashboard).
  2. Retrieve Codes: Follow the scanner’s instructions to read any error codes.
  3. Interpret Codes: If codes are related to the lighting system, follow the suggested repair.
Step 6: Check the Body Control Module (BCM)
  1. Inspect BCM Connections: Ensure the connections to the BCM are secure.
  2. Check for Faults: If suspected faulty, consult a dealership or professional technician, as BCMs require programming.
Conclusion

Follow these steps systematically to diagnose and repair the exterior lights on your 2021 Toyota Camry. If issues persist beyond these checks, consult a professional technician for in-depth analysis. Always ensure safety by disconnecting the battery when working on electrical components.