How to Adjust the Wiper Intermittent Interval?
2 Answers
Wiper intermittent interval adjustment method: There is a speed adjustment knob on the wiper lever, which can be used to adjust the intermittent interval of the wiper. The speed adjustment knob has several gears. When the wiper is in the intermittent mode, the speed (wiper frequency) adjusted by the knob changes step by step. The wiper, also known as a windscreen wiper, is a device used to wipe off raindrops and dust attached to the vehicle's windshield, improving the driver's visibility and increasing driving safety. The power source of the wiper comes from the motor, which is the core of the entire wiper system. The quality requirements for the wiper motor are very high, using a DC permanent magnet motor. The wiper motor installed on the front windshield is integrated with the worm gear mechanical part. The function of the worm gear mechanism is to reduce speed and increase torque. Its output shaft drives the four-bar linkage mechanism, which converts continuous rotational motion into left-right swinging motion.
Adjusting the interval of the windshield wipers is actually quite simple. I frequently use this feature while driving because it allows flexible control of the wiping frequency based on the intensity of the rain, preventing blurred vision or excessive wear on the wipers. The usual method is to start the vehicle first, then switch the wiper control lever to the intermittent mode. There is typically a small wheel or button on the lever to adjust the interval—turning it clockwise may shorten the interval, while turning it counterclockwise may lengthen it, though this varies by vehicle. For example, on my old car, simply rotating the knob easily sets the interval—shorter intervals for light rain to prevent water buildup on the windshield, and longer intervals for heavy rain to reduce the number of wipes. If adjustments don’t work, it might be due to a blown fuse or a faulty control module, which needs inspection. The control location may differ across models—some are on the steering wheel side, while high-end cars may have settings on the central display. It’s best to refer to the user manual for guidance. Developing a habit of fine-tuning the interval based on weather conditions makes driving safer and more comfortable, as clear visibility in rainy conditions is crucial.
