The function of the car wiper switch
Youdaoplaceholder0 The main function of the car wiper switch is to control various operation modes of the wiper, including off, single wiper, intermittent wiper and continuous wiper . The wiper switch is usually located on the right side of the steering wheel and works differently by moving it up and down or rotating it .
The basic functions of the wiper switch
Youdaoplaceholder0 OFF : Press this button and the wipers will stop working.
Youdaoplaceholder0 Single wiper operation (1x) : Push the switch down to the "1x" position and the wiper will perform one single operation.
Youdaoplaceholder0 Intermittent Wiper (INT) : The "INT" position in the middle is intermittent wiper, which automatically wipers at set intervals. It is suitable for light rain and can keep the view clear while reducing wiper wear and noise.
Youdaoplaceholder0 Low Speed Continuous wiper (LO) : Push the switch to the "LO" position and the wiper will work continuously at a lower speed, suitable for moderate rain weather.
Youdaoplaceholder0 High Speed Continuous wiper (HI) : Push the switch to the highest position and the wiper will work continuously at a high speed, suitable for heavy rain or downpour weather .
Special functions and usage tips
Youdaoplaceholder0 Automatic intermittent operation mode : Some models' wiper switches are equipped with an automatic intermittent operation mode. The swing frequency of the wipers can be automatically adjusted according to the vehicle speed, making it suitable for various weather conditions .
Youdaoplaceholder0 Fine-tuning button : In low gear, press the fine-tuning button to adjust the speed continuously according to the amount of rain. It speeds up in heavy rain and slows down in drizzle to ensure clear vision .
Youdaoplaceholder0 Rear wiper : In hatchbacks, SUVs, MPVS and other models, the rear wiper is used to remove dirt from the rear windshield to ensure a clear rear view for the driver .
The main causes of car wiper switch failure include :
Youdaoplaceholder0 Contact wear, oxidation or poor contact inside the switch : After prolonged use, the contacts inside the wiper switch may wear, oxidize or have poor contact, causing the wiper to fail to close properly. You can try gently pressing, rotating or plucking the wiper switch to see if it can be turned off normally. If you still can 't close, you may need to replace the wiper switch .
Youdaoplaceholder0 Relay failure : The wiper relay is an important component that controls the on-off state of the wiper circuit. If the relay is stuck, the circuit will remain on all the time, causing the wiper to fail to turn off. You can find a wiper relay (usually in your car 's fuse box), pull it out and if the wiper stops working, it' s a problem with the relay and a new one needs to be replaced .
Youdaoplaceholder0 Motor failure : A short circuit or mechanical failure inside the wiper motor may cause the motor to run out of control. It is difficult for ordinary owners to repair on their own. It is recommended to send the vehicle to a professional repair shop in time for professional technicians to inspect and replace the motor .
Youdaoplaceholder0 Control module failure : The control module of the car is responsible for coordinating the work of the various components of the vehicle. If it malfunctions, it may issue incorrect instructions, causing the wipers to fail to turn off. This situation requires the control module to be inspected and repaired using professional diagnostic equipment .
Youdaoplaceholder0 Solutions and precautions :
Youdaoplaceholder0 Replace wiper switch : If it is certain that the switch is faulty, you can try replacing the wiper switch. If you are not familiar with car circuits, it is recommended to go to a professional car repair shop for replacement .
Youdaoplaceholder0 Replace relay : If the relay is faulty, a new one needs to be replaced. You can find a wiper relay (usually in your car 's fuse box), pull it out and if the wiper stops working, it' s a problem with the relay and a new one needs to be replaced .
Youdaoplaceholder0 Inspection and replacement of motor : If it is a motor failure, it is recommended to take the vehicle to a professional repair shop in time for inspection and replacement of the motor by a professional technician .
Youdaoplaceholder0 Detection and repair of Control module : If it is a fault of the control module, professional diagnostic equipment should be used to detect and repair the control module. It is recommended to have it done at a professional repair shop .
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