Subaru Ascent Windshield Wipers Aren't Working

Common Causes of Non-Functional Windshield Wipers in Your Subaru Ascent and How to Fix Them

Find Repair Location
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 Subaru Ascent 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.

Troubleshooting Non-Functional Windshield Wipers in a Subaru Ascent

When faced with non-functional windshield wipers in your Subaru Ascent, it's essential to adopt a systematic diagnostic approach. Begin by checking the fuse associated with the wiper system, as a blown fuse is a common and easily fixable issue that can halt wiper operation. If the fuse is intact, inspect the wiper blades for any signs of wear or damage, as faulty blades can impede performance. Next, examine the wiper motor, which is crucial for the movement of the blades; any visible damage or malfunction here may require replacement. Following this, assess the wiper linkage, ensuring that it is securely connected and free from breaks, as a compromised linkage will prevent the wipers from functioning correctly. Additionally, test the wiper switch to confirm it is operational, as a malfunctioning switch can disrupt the entire system. Finally, inspect the wiring for any damage or loose connections, as these can also lead to wiper failure. By methodically working through these steps, you can effectively diagnose and potentially resolve the issue with your windshield wipers, restoring their functionality with minimal hassle.

What to Check When Windshield Wipers Aren't Working on a Subaru Ascent?

When your Subaru Ascent's windshield wipers fail to operate, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. Start by examining the wiper motor, as a malfunction here is often the primary culprit; if the wipers do not respond at all, the motor may need replacement. Next, consider the switch; if there’s no activation when you press it, the switch could be faulty and require repair or replacement. Additionally, inspect the wiper blades themselves; if they leave streaks or fail to clear the windshield properly, it may be time for new blades. Don’t overlook the fuse box either; a blown fuse can disrupt the wiper function, so check for any damaged fuses related to the wipers. Lastly, if your vehicle is equipped with a wiper sensor, ensure it is intact and undamaged, as issues here can also prevent the wipers from functioning correctly. By systematically checking these components, you can identify and resolve the issue, restoring your wipers to optimal performance.

Why Are the Windshield Wipers Not Working in a Subaru Ascent?

When your Subaru Ascent's windshield wipers stop functioning, it’s crucial to act promptly, as neglecting this issue can lead to dangerous driving conditions, especially in inclement weather. Common culprits include a malfunctioning wiper motor or a faulty switch, both of which can severely impair visibility. Additionally, a blown fuse may disrupt the wiper system, while clogged washer nozzles can hinder the effectiveness of the windshield washer fluid, further complicating the situation. Worn or damaged wiper blades can also prevent proper operation, making it essential to regularly inspect these components. If your vehicle has recently undergone windshield replacement, calibration issues might be the root cause of the malfunction. Addressing these problems quickly not only enhances your safety on the road but also helps avoid more extensive repairs down the line.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.

Subaru Ascent Windshield Wipers Not Working | RepairPal