2015 Toyota Yaris Windows Won't Go Up Or Down

Troubleshooting Common Issues with Your 2015 Toyota Yaris Windows and Effective Fixes

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
36% chance it's the
Fuse, Relay or Electrical System
0%
20% chance it's the
Window Motor
0%
24% chance it's the
Window Regulator
0%
20% chance it's
Something else
The most common reasons a 2015 Toyota Yaris window won't go up or down are window's electrical system such as a fuse or relay, a broken window motor, or a broken window regulator.
  • Fuse, Relay or Electrical System: A blown fuse or a faulty relay can disrupt the electrical circuit, causing components to fail or operate intermittently.
  • Window Motor: A faulty window motor or a broken window regulator can prevent the window from moving up or down properly.
  • Window Regulator: A faulty window regulator can cause the window to become stuck or operate erratically due to worn gears or a broken cable.
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 2015 Toyota Yaris window won't go up or down?

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.

If one of the windows in a vehicle will not open or close properly, a failing door window regulator might be the cause. A window that is moving intermittently, or one that gets stuck on the way up or down, could also indicate a broken regulator. Other symptoms might include a clicking, chattering, or grinding noise when the window moves. In some cases a severely damaged window regulator could cause the window to drop inside the door.

When a switch can not make contact and close the circuit, the window cannot be raised and lowered. If the switch on the driver's door will not raise or lower the window in question, but the switch on the corresponding door works just fine, this is a good indication that there is a switch failure. This works the other way around, as well. If the switch on the door does not cause the window to function, but the driver's switch does, that is an indication of a passenger door window switch failure.

Due to the nature of electrical systems on modern vehicles, the range of problems these can cause are nearly limitless. However, there is a way to categorize them in two ways. Permanent and intermittent problems. Permanent problems appear and remain. This may be the vehicle will not start, the radio does not work, or the door chime will not turn off among many, many others. These problems are more straight-forward to diagnose since they present themselves at all time. This means there will always be a fault to find. Intermittent electrical problems, however, can be difficult or impossible to locate, since they appear then disappear without warning. The best case scenario for an intermittent issue is when replicating the problem is easily accomplished and understood. This allows a technician to make an issue semi-permanent, allowing them to find the fault. Other issues that come and go without warning and cannot be replicated on demand must occur when the technician is servicing the vehicle, otherwise there is no problem to correct. It is most important to understand that electrical system faults always require inspection, and can include the vehicle working in any manner, or not working at all.

Like we noted in the last section, general diagnosis symptoms are the most vague of the bunch. There are several diagnostic spectrums, electrical diagnosis, drivability diagnostics, engine diagnostics, transmission diagnostics, and the list could continue for about 5 or 10 more spectrums of diagnostics. The most important take-away here, is that general diagnostics are diagnostics that have no other spectrum in which they fit, or the problem is unknown. This means that any vehicle left outside of a repair facility with the keys and an authorization to perform diagnosis will be diagnosed under the general diagnosis spectrum.

What are the steps to diagnose the window malfunction in a 2015 Toyota Yaris?

To effectively diagnose a window malfunction in your 2015 Toyota Yaris, start with the simplest solutions before progressing to more complex diagnostics. Begin by checking the fuses related to the power windows, as a blown fuse can often be the culprit behind window issues. If the fuses are intact, verify that power is reaching the master switch using a test light or multimeter; this step is crucial in determining whether the problem lies with the switch itself or deeper within the electrical system. Next, test the window motor by swapping it with a functioning one from the passenger side. This will help you identify if the motor is faulty or if the issue is related to wiring. Inspect the wiring harness for any signs of damage, particularly at the door hinge, where wear and tear can occur. If the problem persists, consider using diagnostic tools to check the door module and Body Control Module (BCM) for any faults. Lastly, if you've recently experienced a battery change or electrical surge, resetting the automatic window feature may resolve the issue. By following this structured approach, you can systematically identify and address the malfunction, making your DIY repair process more efficient and effective.

What are the common problems that could cause the windows of a 2015 Toyota Yaris to stop functioning?

When the windows of your 2015 Toyota Yaris stop functioning, it can be frustrating, but understanding the common problems can help you diagnose the issue effectively. One of the primary culprits is electrical problems, often stemming from damaged or disconnected wires in the door harness, particularly where the wires bend during door operation. Inspecting this area for breaks or shorts can be a good starting point. Another frequent issue is a faulty window switch, which may require replacement if it shows signs of wear or damage. Additionally, the window motor itself can fail, so testing it by swapping with a functioning motor from another door can help pinpoint the problem. It's also essential to check the regulator arm, as disconnection from the window glass can prevent movement. In some cases, the Body Control Module (BCM) or door module may be at fault, especially in models with auto features, so consider this if other components seem operational. Lastly, while less common, checking the fuses related to the power windows is advisable, as a blown fuse can disrupt functionality. By systematically addressing these potential issues, you can effectively troubleshoot and resolve the window problems in your Yaris, making it a rewarding DIY project.

How urgent is it to fix the non-functioning windows on a 2015 Toyota Yaris?

Addressing the non-functioning windows on your 2015 Toyota Yaris is crucial for several reasons that extend beyond mere inconvenience. First and foremost, safety and security are paramount; an open window can expose your vehicle to theft, vandalism, and environmental elements, such as rain or extreme temperatures, which can lead to interior damage. Additionally, the comfort of your driving experience is compromised when windows fail to operate, making it difficult to regulate airflow and temperature inside the car. This discomfort can be particularly pronounced during hot summer days or chilly winter nights. Moreover, neglecting the issue could result in further complications, especially if the root cause lies within the vehicle's electrical system. Problems like wiring failures or module malfunctions can escalate, leading to more extensive and costly repairs. Therefore, it is advisable to take immediate action by inspecting fuses, wiring, and the body control module, or seeking professional assistance if necessary. By addressing the problem promptly, you not only enhance your vehicle's safety and comfort but also prevent potential long-term damage, ensuring a reliable driving experience.

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