how to fix the rear lights not working on my Toyota Corolla E210 (2019-2024)?

Toyota Corolla E210 (2019-2024)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

4 min read

612 words

Problem Statement

Learn how to diagnose and fix rear lights not working on Toyota Corolla E210 (2019-2024). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems to prevent short circuits.

Symptoms

•Rear lights do not illuminate when headlights are turned on
•Brake lights are not activating
•Turn signals at the rear are not working
•No warning lights on the dashboard related to the lighting system
•Possible blown fuses

Diagnostic Steps

1
Inspect the rear light bulbs for any signs of burn-out or damage.
2
Check the fuse box for any blown fuses related to the rear lighting circuit.
3
Use a multimeter to test for voltage at the rear light socket when the lights are activated.
4
Inspect the wiring harness for any visible damage or loose connections.
5
Examine the light switch and ensure it is functioning properly.

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
•Multimeter
•Fuse puller or needle-nose pliers

Parts Required

•Rear light bulbs (specific to model)
•Replacement fuses (specific amperage)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Inspect the rear light bulbs for any signs of burn-out or damage.
2
Check the fuse box for any blown fuses related to the rear lighting circuit.
3
Use a multimeter to test for voltage at the rear light socket when the lights are activated.
4
Inspect the wiring harness for any visible damage or loose connections.
5
Examine the light switch and ensure it is functioning properly.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the ignition is off.
Disconnect the negative battery terminal to prevent any electrical shorts.

2. Inspect and Replace Rear Light Bulbs

Tools Required: Screwdriver set, new light bulbs (check owner’s manual for specifications)
- Remove the rear light assembly cover by unscrewing any retaining screws.
- Gently pull the light assembly away from the vehicle.
- Twist and remove the old bulb from the socket.
- Insert the new bulb, ensuring it is securely seated.
- Reassemble the light assembly and secure it with screws.

3. Check and Replace Fuses

Tools Required: Fuse puller or needle-nose pliers, replacement fuses (check owner’s manual for specifications)
- Locate the fuse box, usually found under the dashboard or in the engine compartment.
- Identify the fuse linked to the rear lights using the diagram on the fuse box cover.
- Remove the fuse using a fuse puller or pliers.
- Inspect the fuse; if it appears blown (the metal strip inside is broken), replace it with a new fuse of the same amperage.
- Reinstall the fuse and close the fuse box.

4. Test Wiring and Connections

Tools Required: Multimeter
- Reconnect the negative battery terminal.
- Turn on the vehicle and activate the rear lights.
- Use a multimeter to check for voltage at the rear light socket.
- If no voltage is detected, inspect the wiring harness for cuts or shorts, and repair as necessary.

5. Inspect Light Switch

Tools Required: Screwdriver set
- If all previous steps do not resolve the issue, consider inspecting the light switch.
- Remove the panel around the light switch using a screwdriver.
- Check for any loose connections or damaged components.
- If the switch appears faulty, it may need to be replaced.