2018 Toyota Land Cruiser Window Won't Go Up Or Down

Troubleshooting Common Issues with Your 2018 Toyota Land Cruiser's Power 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 2018 Toyota Land Cruiser 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 2018 Toyota Land Cruiser 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.

What are the steps to diagnose a non-functioning window in a 2018 Toyota Land Cruiser?

When diagnosing a non-functioning window in a 2018 Toyota Land Cruiser, it's essential to adopt a systematic approach that prioritizes simpler solutions before delving into more complex issues. Start by checking the window switch, as this is often the easiest fix; test both the driver's control panel and the individual door switch to ensure they are operational. Next, inspect the fuse box for any blown fuses related to the window circuit, as replacing a blown fuse can quickly resolve the problem. If the switches and fuses are functioning correctly, proceed to test the window motor using a multimeter to check for power supply; a lack of power may indicate wiring issues or a faulty motor. Additionally, examine the window regulator for any signs of damage, as a malfunctioning regulator can prevent the window from operating smoothly. Don't forget to check for any obstructions in the window track that could hinder movement, and ensure that the window glass is properly aligned within the frame, as misalignment can also lead to operational issues. By following this diagnostic approach, you can effectively identify and address the cause of the window malfunction.

What are the common problems that could cause the windows to stop working in a 2018 Toyota Land Cruiser?

When dealing with non-functioning windows in a 2018 Toyota Land Cruiser, it's essential to understand the common problems that could be at play. One of the primary culprits is a faulty window regulator, which is crucial for the mechanical movement of the window; if it wears out, the window may not operate smoothly. Another potential issue is a defective window switch, which controls the window's operation from the driver's seat; if this switch fails, it can render the windows inoperable. Additionally, a blown fuse in the vehicle's fuse box can disrupt the electrical flow necessary for window functionality, making it a simple fix to check and replace. The window motor, responsible for powering the regulator, can also fail, leading to windows that are stuck or unresponsive. Lastly, broader electrical issues, such as wiring problems or a malfunctioning control module, can affect the entire window system. By systematically checking these components, you can effectively troubleshoot and resolve window issues in your Land Cruiser.

How urgent is it to address the malfunctioning window in a 2018 Toyota Land Cruiser?

Addressing a malfunctioning window in a 2018 Toyota Land Cruiser is of utmost urgency due to the significant safety and security risks it poses. A window that fails to operate properly can obstruct the driver's visibility, particularly in challenging weather conditions or heavy traffic, which can lead to dangerous driving situations. Additionally, a malfunctioning window compromises the vehicle's security, making it easier for unauthorized individuals to gain access to the interior, thereby increasing the risk of theft or vandalism. Furthermore, delaying repairs can exacerbate the problem, potentially leading to more extensive damage to the window mechanism or surrounding components, which could result in higher repair costs down the line. Therefore, it is crucial to address any window issues promptly to maintain the safety, security, and functionality of your vehicle.

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