how to fix Honda Civic 9th Generation (2012-2015) rear brake lights not working

Honda Civic 9th Generation (2012-2015)

Error Codes

1-2 hours

Time

medium

Difficulty

critical

Severity

4 min read

654 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix rear brake lights not working on Honda Civic 9th Generation (2012-2015). Step-by-step guide with tools and parts needed.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Ensure the vehicle is in park (or neutral if manual) and the parking brake is engaged.

Symptoms

•Rear brake lights do not illuminate when the brake pedal is pressed.
•Check engine light may be illuminated (if applicable).
•Bulbs may appear intact but do not light up.
•Potential flickering of other rear lights.
•Brake light warning indicator may not activate (if equipped).

Diagnostic Steps

1
Inspect the rear brake light bulbs for any visible damage or burn-out.
2
Check the brake light fuse in the fuse box for continuity.
3
Use a multimeter to test the brake light socket for voltage when the brake pedal is pressed.
4
Inspect the brake light switch located near the brake pedal for proper operation.
5
Examine wiring and connectors for any signs of corrosion or damage.

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

•Socket set
•Flathead screwdriver
•Fuse puller or needle-nose pliers
•Multimeter
•Wire stripper/crimper

Parts Required

•Brake light bulbs
•Brake light fuse (if blown)
•Brake light switch (if faulty)
•Electrical connectors (if needed)

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Diagnostic Steps

1
Inspect the rear brake light bulbs for any visible damage or burn-out.
2
Check the brake light fuse in the fuse box for continuity.
3
Use a multimeter to test the brake light socket for voltage when the brake pedal is pressed.
4
Inspect the brake light switch located near the brake pedal for proper operation.
5
Examine wiring and connectors for any signs of corrosion or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked in a safe location with the ignition off.

2. Replace Brake Light Bulbs

Tools Required: Socket set, flathead screwdriver.
Steps:
1. Open the trunk and locate the rear light assembly.
2. Remove the screws or clips securing the light assembly using a socket set or screwdriver.
3. Carefully pull the light assembly out to access the bulbs.
4. Twist the bulb socket counterclockwise to remove it from the assembly.
5. Pull out the old bulb and insert the new bulb into the socket.
6. Reattach the socket to the light assembly and secure it back in place.

3. Check and Replace Brake Light Fuse

Tools Required: Fuse puller or needle-nose pliers.
Steps:
1. Locate the fuse box (typically under the dashboard or in the engine compartment).
2. Identify the brake light fuse using the fuse diagram on the cover.
3. Remove the fuse and inspect it for continuity.
4. If blown, replace it with a fuse of the same amperage.
5. Reinstall the fuse and close the fuse box.

4. Inspect and Replace Brake Light Switch

Tools Required: Socket set, multimeter.
Steps:
1. Locate the brake light switch mounted on the brake pedal assembly.
2. Disconnect the electrical connector from the switch.
3. Use a multimeter to test the switch for continuity when the pedal is pressed.
4. If defective, remove the switch by unscrewing it from its mount.
5. Install the new switch and reconnect the electrical connector.

5. Repair Wiring and Connectors

Tools Required: Wire stripper/crimper, electrical tape, multimeter.
Steps:
1. Inspect wiring and connectors leading to the brake lights for damage or corrosion.
2. If any wires are frayed or broken, strip the insulation back and splice in new wire.
3. Secure the connections with crimp connectors and wrap with electrical tape.
4. Ensure all connectors are firmly seated and free of corrosion.