how to fix Honda Accord 9th Generation (2013-2017) power locks that won’t work

Honda Accord 11th Gen (2023-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

605 words

Problem Statement

Learn how to diagnose and fix power locks not working in Honda Accord 9th Generation (2013-2017). Step-by-step guide with tools and parts required.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems to avoid shocks.
•Allow any components to cool if the vehicle has been running prior to starting work.

Symptoms

•Power lock switch does not respond when pressed
•Doors remain unlocked or locked regardless of switch activation
•Key fob does not unlock or lock doors
•No sound or clicking from the lock actuators
•Interior door lock buttons do not function

Diagnostic Steps

1
Check the vehicle's fuse box for any blown fuses related to the power locks.
2
Use an OBD-II scanner to check for any trouble codes that may indicate electrical issues.
3
Inspect the power lock switch for wear or damage.
4
Test the power lock actuators by applying direct power to them to see if they function.
5
Inspect wiring harnesses for any signs of damage or corrosion.
6
Verify the battery voltage to ensure it is adequate for electronic systems.

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
•Trim removal tool
•Pliers
•Fuse puller

Parts Required

•Replacement power lock switch (if necessary)
•Replacement power lock actuator (if necessary)
•Fuses (if blown)

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Diagnostic Steps

1
Check the vehicle's fuse box for any blown fuses related to the power locks.
2
Use an OBD-II scanner to check for any trouble codes that may indicate electrical issues.
3
Inspect the power lock switch for wear or damage.
4
Test the power lock actuators by applying direct power to them to see if they function.
5
Inspect wiring harnesses for any signs of damage or corrosion.
6
Verify the battery voltage to ensure it is adequate for electronic systems.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked securely and the ignition is off.
Disconnect the negative battery terminal to prevent electrical shorts.

2. Check and Replace Fuses

Sub-steps:
- Locate the fuse box under the dashboard or in the engine compartment.
- Refer to the owner's manual for the specific fuse associated with the power locks.
- Remove the fuse using a fuse puller or pliers and inspect it for continuity.
- Replace with a new fuse of the same amperage if blown.

3. Replace Power Lock Switch

Sub-steps:
- Remove the door panel using a trim removal tool and socket set.
- Disconnect the wiring harness from the power lock switch.
- Remove the screws holding the switch in place and take out the old switch.
- Install the new switch by reversing the removal steps and reassemble the door panel.

4. Test and Replace Power Lock Actuators

Sub-steps:
- Access the door lock actuator by removing the door panel.
- Disconnect the actuator wiring harness.
- Using a multimeter, check if the actuator receives power when the lock switch is engaged.
- If there is no power, trace wiring back to the switch. If power is present but the actuator doesn’t work, replace the actuator.
- Reinstall the door panel after actuator replacement.

5. Inspect Wiring Harness

Sub-steps:
- Visually inspect the wiring harness for fraying, corrosion, or disconnections.
- Use a multimeter to check for continuity in the wiring.
- Repair or replace any damaged wires as necessary.