Lexus LS600h Windshield Wipers Aren't Working

Troubleshooting Common Issues with Lexus LS600h Windshield Wipers and How to Fix Them

Find Repair Location
Reviewed by
Aisha
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 Lexus LS600h 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 Lexus LS600h 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 Non-Functional Windshield Wipers in a Lexus LS600h

When faced with non-functional windshield wipers in your Lexus LS600h, it's essential to adopt a systematic diagnostic approach. Start by checking the wiper motor and switch, as these components are often the culprits behind wiper failure. Ensure that the motor is operational and that the switch is functioning correctly. Next, inspect the wiper blades for any signs of wear or damage; replacing old blades can significantly improve performance. It's also crucial to verify that the wipers are set to the correct mode, whether regular or intermittent, and to familiarize yourself with any automatic features that may be present. Don’t overlook the wiper arms; inspect them for cracks or damage that could hinder their ability to apply adequate pressure against the windshield. If everything appears in order, try resetting the wiper position by toggling the switch and cycling the ignition, which can help recalibrate the system. By following these steps, you can effectively diagnose and resolve issues with your windshield wipers, ensuring a safer driving experience.

What to Check When Windshield Wipers Aren't Working on a Lexus LS600h?

When your Lexus LS600h's windshield wipers fail to operate, it's essential to systematically diagnose the issue to avoid unnecessary repairs. Start by examining the wiper motor, as a malfunction here is a frequent culprit behind wiper failure. If the motor appears functional, the next step is to inspect the wiper switch; a faulty switch can prevent the wipers from responding. Additionally, consider the possibility of electrical or mechanical issues; you can test this by attempting to manually move the wipers while the vehicle is off. If they resist movement, it may indicate a deeper problem. Lastly, if the wipers are not parking correctly or are moving erratically, an adjustment issue could be at play, which is often a straightforward fix. By methodically checking these areas, you can effectively troubleshoot and potentially resolve the wiper issue without needing professional assistance.

Why Are the Windshield Wipers Not Working on a Lexus LS600h?

When your Lexus LS600h's windshield wipers fail to operate, it’s crucial to act quickly, as this can significantly impair your visibility during inclement weather, posing serious safety risks. Common culprits include a malfunctioning wiper motor or a faulty switch, both of which can prevent the wipers from engaging. Additionally, the wiper linkage may be compromised, leading to erratic or complete failure of the wipers. Worn or damaged wiper blades can also contribute to the problem, making it essential to inspect them regularly. Furthermore, issues with the intermittent setting on the control knob can disrupt normal wiper function. By diagnosing these potential issues early, you can avoid more extensive repairs and ensure your vehicle remains safe and functional on the road.

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.

Lexus LS600h Windshield Wipers Not Working: Causes & Repairs