Toyota Prius AWD-e Windshield Wipers Aren't Working

Common Causes of Windshield Wiper Malfunctions in Your Toyota Prius AWD-e 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 Toyota Prius AWD-e 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 Toyota Prius AWD-e 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 Windshield Wiper Issues in a Toyota Prius AWD-e

When troubleshooting windshield wiper issues in your Toyota Prius AWD-e, it's essential to adopt a systematic diagnostic approach. Begin by inspecting the spray nozzles for clogs, as this is a straightforward fix that can often resolve fluid delivery problems. Next, check the hose for any signs of leaks, which can be easily repaired or replaced if necessary. If the wipers still aren't functioning, examine the fuses related to the wiper system; replacing a blown fuse is a simple task that can restore functionality. If these initial checks do not yield results, test the wiper pump to ensure it is operational, as pump failure can be a common culprit. Additionally, in colder climates, verify that the windshield wiper fluid is not frozen, as this can impede performance. If the issue persists, delve into the electrical system for faults that may be affecting the wipers. By following this methodical approach, starting with the simplest solutions and gradually addressing more complex issues, you can effectively diagnose and resolve windshield wiper problems in your Prius, ensuring a clear view and safe driving conditions.

Troubleshooting Windshield Wiper Issues in a Toyota Prius AWD-e

When dealing with windshield wiper issues in a Toyota Prius AWD-e, it's essential to recognize the common problems that may arise. A faulty pivot nut is often the culprit, as it connects the wiper arm to the transmission stem, and if it becomes loose or damaged, it can prevent the wipers from functioning correctly. Additionally, failures in the wiper motor or switch can lead to complete or intermittent operation, where the wipers may only work on the highest setting or stop unexpectedly. If you notice that the wipers are not responding while the wiper fluid pump is operational, this could indicate a separate issue within the wiper system. A weak motor is another frequent cause of wiper failure, and replacing it with a rebuilt unit can often restore functionality. To accurately diagnose these issues, using a multimeter to test the various components of the wiper system can save time and help pinpoint the exact problem. By understanding these common failure modes, DIYers can take informed steps toward troubleshooting and resolving windshield wiper issues in their Toyota Prius AWD-e.

Why Are the Windshield Wipers Not Working on a Toyota Prius AWD-e?

When your Toyota Prius AWD-e's windshield wipers fail to operate, it’s crucial to address the issue without delay. Ignoring malfunctioning wipers can significantly impair your visibility during rain or snow, increasing the risk of accidents. Common culprits include torn wiper blades, which can lead to ineffective clearing of water, and a faulty wiper motor that may prevent the wipers from moving altogether. Additionally, a blown fuse can disrupt the electrical circuit, rendering the wipers inoperable. Heavy snow or ice accumulation can also obstruct wiper movement, while worn splines on the wiper arm shaft may prevent proper function. Lastly, broken wiper controls can leave you unable to activate the wipers when needed. By promptly diagnosing and addressing these issues, you not only ensure your safety on the road but also prevent potential damage to your vehicle's wiper system. If basic troubleshooting does not resolve the problem, consulting a certified repair shop is advisable to avoid further complications.

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