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

Honda Civic 9th Generation (2012-2015)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

517 words

Problem Statement

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

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 shock or short circuits.
•Allow the engine to cool before accessing components to prevent burns.

Symptoms

•All exterior lights are non-functional
•Dashboard warning lights illuminated
•No response from light switches
•Possible blown fuses
•No sound from turn signal relay when activated

Diagnostic Steps

1
Check the exterior light switch for proper operation.
2
Inspect the fuse box for blown fuses related to exterior lighting.
3
Test the bulbs for continuity using a multimeter.
4
Examine wiring and connectors for damage or corrosion.
5
Verify the operation of the turn signal relay.

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 needle-nose pliers
•Flathead screwdriver

Parts Required

•Replacement fuses (appropriate amperage)
•Replacement bulbs (H11, 7443, etc.)
•Turn signal relay (if faulty)

Related Faults

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Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the negative terminal from the battery to ensure safety.

2. Check and Replace Fuses

Tools Required: Fuse puller or needle-nose pliers
Locate the fuse box under the dashboard and in the engine compartment.
Remove the cover and identify the fuses for the exterior lights (consult the owner's manual for specific fuse numbers).
Inspect each fuse visually and use a multimeter to check for continuity.
If a fuse is blown, replace it with one of the same amperage (typically 10-15A depending on circuit).

3. Inspect and Replace Bulbs

Tools Required: Flathead screwdriver (if needed for accessing bulbs)
Access the headlight and taillight assemblies by removing any necessary covers or screws.
Remove the bulbs and check for broken filaments or discoloration.
Replace with new bulbs of the same type (e.g., H11 for headlights, 7443 for taillights).

4. Test Wiring and Connectors

Tools Required: Multimeter
Inspect the wiring harness for any visible damage or wear.
Use a multimeter to check for voltage at the bulb sockets while the lights are activated.
Repair or replace any damaged wiring or connectors.

5. Check Light Switch and Relay

Tools Required: Multimeter
Test the light switch for continuity when in the "on" position.
If the switch is faulty, replace it.
Check the turn signal relay by removing it and testing it with a multimeter or replacing it with a known good relay.