INFINITI QX50 Window Won't Go Up Or Down

Common Causes for INFINITI QX50 Window Malfunctions and How to Fix Them

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Reviewed by
Devin Cabugcal
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 INFINITI QX50 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 INFINITI QX50 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 the door window motor fails, the window may not open or close, or it may operate intermittently. Traditionally, problems with power windows were caused by faulty switches or electrical wiring - especially the wires running between the door and the vehicle body that are subjected to repeated flexing. In these cases, the window might operate intermittently when the door is opened and closed. While this may still be the case on newer cars, it is increasingly common to find window motor problems that originate with a control module. Still, the switches and wiring should be checked thoroughly before replacing a window motor.

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.

Troubleshooting Window Operation Issues in an INFINITI QX50

When troubleshooting window operation issues in your INFINITI QX50, begin with the most straightforward solutions to efficiently identify the problem. Start by inspecting the window switch; ensure it is clean and functioning properly, as dirt or moisture can hinder its performance. If the switch appears to be in good condition, the next step is to check the electrical system for any blown fuses or faulty relays, as these can disrupt power to the window. If electrical components are intact, focus on the window motor, which may need repair or replacement if it is malfunctioning. Additionally, examine the window regulator for any signs of damage, as a broken regulator can impede window movement. If all components seem operational, try resetting the window by fully raising it and holding the switch for a few seconds past the auto-up detent. Lastly, if the window remains unresponsive, verify that the child safety lock is not engaged, as this can prevent window operation. By following this diagnostic approach, you can systematically address and resolve window issues in your vehicle.

What to Check When Your INFINITI QX50 Window Won't Go Up or Down?

When your INFINITI QX50 window won't go up or down, it's crucial to approach the problem methodically to pinpoint the issue. Begin by inspecting the electrical system, focusing on fuses and relays, as these can often be the source of the malfunction. If the electrical components are functioning correctly, turn your attention to the window motor; a defective motor can lead to complete failure or inconsistent operation of the window. Next, evaluate the window regulator, which is frequently responsible for window movement issues. It's also important to check the window switch for cleanliness and proper operation, as a malfunctioning switch can create the illusion of a more significant problem. Finally, ensure that the child safety locks are not engaged, as this feature can prevent the window from moving. By carefully examining these areas, you can effectively troubleshoot and potentially resolve the window issues in your INFINITI QX50.

Why is it Urgent to Fix a Non-Operating Window in an INFINITI QX50?

Fixing a non-operating window in your INFINITI QX50 is not just a matter of convenience; it is an urgent necessity that impacts your safety and security. A malfunctioning window can obstruct your visibility, making it difficult to see other vehicles or pedestrians, which increases the risk of accidents. Additionally, an inoperative window can leave your vehicle vulnerable to theft, as it may provide an easy entry point for unauthorized individuals. Beyond safety and security, a broken window can expose your car's interior to harsh weather conditions, leading to potential damage from rain, snow, or extreme temperatures. This not only affects the aesthetics of your vehicle but can also compromise your comfort during drives. Furthermore, neglecting to repair a non-operating window may result in legal repercussions, especially if your vehicle fails inspection due to this issue. Therefore, addressing this problem promptly is essential to ensure your INFINITI QX50 remains safe, secure, and compliant with regulations, ultimately enhancing your driving experience.

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