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

3 min read

572 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 2012-2015. Step-by-step guide with diagnostic procedures 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 avoid short circuits.

Symptoms

•Rear brake lights do not illuminate when the brake pedal is pressed
•Check engine light may be illuminated (if related to brake system)
•Possible malfunction indicator for safety systems
•No response from the brake light switch when tested
•Bulbs may show signs of being burned out or damaged

Diagnostic Steps

1
Inspect the brake light bulbs for any visible damage or burn-out.
2
Check the brake light fuse in the fuse box for continuity.
3
Test the brake light switch with a multimeter to ensure it is functioning properly.
4
Examine the wiring and connectors leading to the brake lights for any signs of wear or corrosion.
5
Scan for any error codes using an OBD-II scanner to identify electronic issues.

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
•Multimeter
•Screwdriver set
•OBD-II scanner

Parts Required

•Brake light bulbs
•Brake light fuse (if blown)
•Brake light switch (if faulty)

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Diagnostic Steps

1
Inspect the brake light bulbs for any visible damage or burn-out.
2
Check the brake light fuse in the fuse box for continuity.
3
Test the brake light switch with a multimeter to ensure it is functioning properly.
4
Examine the wiring and connectors leading to the brake lights for any signs of wear or corrosion.
5
Scan for any error codes using an OBD-II scanner to identify electronic issues.

Solution

1. Preparation

Gather tools and parts. Ensure the vehicle is parked on a level surface and the ignition is off.
Tools Required: Socket set, multimeter, screwdriver set, OBD-II scanner.

2. Inspect and Replace Bulbs

Open the trunk and locate the rear light assembly.
Remove the screws or clips securing the light assembly.
Pull the light assembly out gently to access the bulbs.
Remove the brake light bulbs by twisting them counterclockwise.
Inspect the bulbs; replace any burned-out bulbs with new ones (use the same wattage).
Reinstall the light assembly and secure it with screws or clips.

3. Check and Replace Fuse

Open the driver’s side fuse box located under the dashboard.
Locate the brake light fuse (refer to the diagram on the fuse box cover).
Use a fuse puller or pliers to remove the fuse and check for continuity.
If the fuse is blown, replace it with a fuse of the same amperage.
Close the fuse box and test the brake lights.

4. Inspect and Replace Brake Light Switch

Locate the brake light switch, usually mounted above the brake pedal.
Disconnect the electrical connector from the switch.
Use a multimeter to test the switch for continuity when the pedal is pressed.
If the switch is faulty, remove it by unscrewing it from the bracket.
Install the new brake light switch and reconnect the electrical connector.

5. Final Assembly and Testing

Reassemble any components removed during inspection and repairs.
Test the brake lights by pressing the brake pedal to ensure they are functioning properly.