my Honda Accord's windshield wipers won't turn off, what should I do?

Honda Accord 9th Generation (2013-2017)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

473 words

Problem Statement

Learn how to diagnose and fix windshield wipers that won't turn off in Honda Accord. 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 to avoid shock or short circuits.

Symptoms

•Windshield wipers continuously operate, regardless of switch position
•Intermittent wiper function may be stuck in the 'on' position
•Wiper motor may emit a buzzing or grinding noise
•Dashboard warning lights may illuminate (if applicable)
•Wipers may not respond to speed adjustments

Diagnostic Steps

1
Inspect the wiper control switch for physical damage or wear.
2
Use an OBD-II scanner to check for any related fault codes in the vehicle's computer system.
3
Check the wiper relay for proper operation and signs of overheating or damage.
4
Visually inspect the wiper motor and related wiring for damage or corrosion.
5
Test the wiper motor with a multimeter to check for proper voltage supply.

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
•Screwdriver set
•Torque wrench

Parts Required

•Wiper control switch (if defective)
•Wiper relay (if defective)
•Wiper motor (if defective)

Related Faults

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Diagnostic Steps

1
Inspect the wiper control switch for physical damage or wear.
2
Use an OBD-II scanner to check for any related fault codes in the vehicle's computer system.
3
Check the wiper relay for proper operation and signs of overheating or damage.
4
Visually inspect the wiper motor and related wiring for damage or corrosion.
5
Test the wiper motor with a multimeter to check for proper voltage supply.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the vehicle's battery to prevent electrical shock.

2. Inspect and Replace Wiper Control Switch

Remove the steering column cover using a screwdriver.
Disconnect the wiper control switch harness.
Use a multimeter to test the switch function; if faulty, replace with a new switch.
Reconnect the harness and reassemble the steering column cover.

3. Check and Replace Wiper Relay

Locate the wiper relay in the fuse box (refer to the owner's manual for specific location).
Remove the relay and test it using a multimeter for continuity; replace if defective.
Reinstall the new relay and close the fuse box.

4. Inspect and Test Wiper Motor

Access the wiper motor by removing the wiper arms and cowling panel.
Check the wiring connections for corrosion and secure fit.
Connect a multimeter to the motor terminals and test for proper voltage when the wiper switch is activated; replace motor if defective.
Reassemble the wiper arms and cowling panel.

5. Reconnect Battery

Reconnect the vehicle's battery once all repairs are complete.
Test the wipers to ensure they operate correctly.