how to fix Honda Pilot Third Generation (2016-present) exterior lights not working

Honda Pilot Third Generation (2016-present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

543 words

Problem Statement

Learn how to diagnose and fix exterior lights not working in Honda Pilot (2016-present). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow the vehicle to cool down before handling components near the engine.

Symptoms

•All exterior lights are non-functional
•Check engine light illuminated
•Fuses related to lighting may appear blown
•Dashboard indicator lights for lights may not illuminate
•Malfunctioning turn signal sound (clicking) or no sound at all

Diagnostic Steps

1
Inspect all exterior light bulbs for burnouts or damage.
2
Check the fuses related to the exterior lighting using the fuse box diagram.
3
Use an OBD-II scanner to check for any error codes that might indicate electrical issues.
4
Test the lighting switch on the steering column for functionality.
5
Verify the ground connections at the light assemblies for corrosion or damage.
6
Inspect the wiring harnesses feeding the exterior lights for any signs of wear 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

•OBD-II scanner
•Multimeter
•Socket set
•Wire strippers and crimpers
•Screwdriver set
•Fuse puller

Parts Required

•Replacement light bulbs
•Replacement fuses
•Electrical wire (if needed)
•Lighting switch (if needed)

Related Faults

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Diagnostic Steps

1
Inspect all exterior light bulbs for burnouts or damage.
2
Check the fuses related to the exterior lighting using the fuse box diagram.
3
Use an OBD-II scanner to check for any error codes that might indicate electrical issues.
4
Test the lighting switch on the steering column for functionality.
5
Verify the ground connections at the light assemblies for corrosion or damage.
6
Inspect the wiring harnesses feeding the exterior lights for any signs of wear or damage.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to ensure safety while working on electrical components.

2. Inspect and Replace Bulbs

Sub-steps:
1. Remove the light assembly from the vehicle by unscrewing any screws or bolts securing it.
2. Pull out the old bulb gently from the socket, avoiding contact with the glass of the new bulb.
3. Insert the new bulb securely into the socket.
4. Reattach the light assembly to the vehicle.

3. Replace Fuses

Sub-steps:
1. Locate the fuse box and open it.
2. Identify the blown fuse using the fuse diagram.
3. Pull out the blown fuse with a fuse puller or pliers.
4. Insert a new fuse of the same amperage into the slot.

4. Repair or Replace Wiring

Sub-steps:
1. Inspect the wiring harness for damage or fraying.
2. If damage is found, cut out the damaged section of wire.
3. Strip the insulation off the ends of the remaining wire.
4. Use wire connectors to splice in a new piece of wire or solder the connections.
5. Insulate the repaired area with heat shrink tubing or electrical tape.

5. Test the Lighting Switch

Sub-steps:
1. Remove the steering column cover to access the lighting switch.
2. Disconnect the wiring harness from the switch.
3. Use a multimeter to test for continuity when the switch is operated.
4. If defective, replace the switch with a new one.