Acura MDX Windshield Wipers Aren't Working

Common Causes of Non-Functional Windshield Wipers in Your Acura MDX and How to Fix Them

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
75% chance it's the
Wiper Motor
0%
25% chance it's the
Switch
The most common reasons a Acura MDX windshield wipers aren't working are broken wiper motor and issues with the switch.
  • Wiper Motor: A faulty wiper motor or a bad electrical connection can result in intermittent or non-functioning windshield wipers.
  • Switch: A faulty switch can result in intermittent or complete failure of the electrical component it controls, leading to malfunctioning systems.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a Acura MDX windshield wipers aren't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Inability to control the windshield wipers comes in several forms, and they are all indicative of windshield wiper switch failure. The windshield wipers may not work in all settings, may not turn on when requested, may not move to their parked position when turning off, or the washer pumps may or may not run at random. This is a general list of symptoms, but failure of anything the windshield wiper switch controls will indicate the need for testing the windshield wiper and washer switch.

A failed windshield wiper motor will do one of two things in the event of failure. First, it can intermittently work, meaning when the wiper switch is turned on, the windshield wipers may activate, and run for a random amount of time. This may happen at random, or change with a bump. Lastly, the windshield wipers could show no signs of activity, indicating motor failure.

The moment water touches the windshield, you know if you need new windshield wiper blades. If your wiper blades are torn, cracked, hard, or brittle, it is time for replacement. Wipers should also be replaced if the wiper blades only smear water around, seem to make a mess, streak the windshield, and miss large patches. If you are unhappy with the current wiper blades on your vehicle, this is a very economical change to make.

Windshield wiper arms will be replaced mainly for aesthetic reasons or damage. If the windshield arms become bent or rusted, the windshield wipers may not contact the windshield at the proper angle, or there may be no contact at all. Also, the sun will take a toll on these parts after years of use, and fading or clear coat peeling will result, not to mention rust.

Troubleshooting Non-Functional Windshield Wipers in an Acura MDX

When troubleshooting non-functional windshield wipers in your Acura MDX, it's essential to adopt a methodical diagnostic approach. Start by checking the simplest potential issues first, such as inspecting the wiper fuse to ensure it hasn't blown. If the fuse is intact, move on to examining the wiper motor; you can test its functionality by applying direct power to see if it operates. If the motor is working, inspect the wiring for any signs of damage or disconnection that could impede electrical flow. Next, assess the wiper arms for any physical damage that might prevent them from applying adequate pressure to the blades. If the wipers only function on certain settings, consider the possibility of a faulty wiper switch, which may need replacement. Lastly, if you encounter frozen wiper blades, gently thaw them to restore normal operation. By following this structured approach, you can effectively diagnose and address the issues with your windshield wipers, ensuring safe visibility while driving.

What to Check When Windshield Wipers Aren't Working in an Acura MDX?

When your Acura MDX's windshield wipers fail to operate, it's crucial to systematically diagnose the issue to restore functionality. Start by examining the wiper motor, as a broken motor is often the primary culprit behind wiper malfunctions. If the motor appears intact, the next step is to inspect the wiper switch; a faulty switch can disrupt the electrical connection necessary for operation. Additionally, check the wiper blades for any signs of wear or tearing, as damaged blades can hinder performance and visibility. Don't overlook the possibility of a blown fuse, which can easily be checked and replaced if necessary. Lastly, if heavy snow has accumulated on your windshield, it may be preventing the wipers from moving; ensure that the snow is cleared before testing the wipers again. By addressing these common issues, you can effectively troubleshoot and potentially resolve the problems with your windshield wipers, ensuring safer driving conditions.

Why Are the Windshield Wipers Not Working on an Acura MDX?

When your Acura MDX's windshield wipers fail to operate, it is crucial to address the issue without delay. Malfunctioning wipers can severely impair your visibility during rain or adverse weather conditions, increasing the risk of accidents. Common culprits include a broken wiper motor or faulty switch, which can prevent the wipers from functioning altogether. Additionally, issues such as a blown fuse, clogged spray nozzles, or even frozen wiper blades can exacerbate the problem, leading to further complications if not resolved. Ignoring these symptoms not only compromises your safety but can also result in more extensive damage to the wiper system or the vehicle's electrical components. Therefore, it is advisable to diagnose and fix any wiper-related issues as soon as they arise to ensure safe driving conditions and maintain the integrity of your Acura MDX.

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Troubleshooting Acura MDX Windshield Wipers | RepairPal