The wiper rotates slowly and weakly? What causes wiper weakness?

The reason may be the lack of oil in the linkage mechanism, and the weakness caused by the short circuit of the wiper motor coil, and then the wiper is a rubber product, which has the problem of aging for a long time, which affects the use effect.

1.It may be that the linkage mechanism lacks oil, and there is also a short-circuit in the wiper motor coil caused by weakness.

2.It is the aging and weakness of the wiper arm spring, and it can be replaced with a new wiper arm.

3.Because the wiper is a rubber product, there is an aging problem after a long time, which affects the use effect.

4.The glass itself is dirty and has an oil film.

5.The motor is faulty and the rotation is weak.

6.Where the wiper motor power supply is falsely connected, the motor power supply is abnormal.

Hello, this is estimated to be a problem with the motor, it is recommended to check it, I wish you a happy car [There is a problem with the car, ask the car master. 4S shop professional technician, 10 minutes to solve. 】

The car's windshield wipers don't move when they are in slow gear, most likely because the wipers are malfunctioning. The specific solutions are as follows:

Check for fault phenomena. When encountering a faulty vehicle, don't rush to repair it directly, ask about the time when the fault occurs, and try the fault yourself, which seems to delay time, but in fact, a good inquiry can allow the technician to find the fault point faster.

Check the fuse. There is a problem with the wiper, of course, you should check the wiper fuse, you can see the fuse box under the A-pillar in the cab, and measure the quality of the relevant insurance with a test light according to the instructions, and the measurement finds that the insurance is normal.

Main advantages: From the circuit diagram, you can see that the blue line of the No. 3 needle angle of the wiper motor is a power supply, which supplies power to the multi-function accessory control module, if the No. 3 has no power, it will cause the motor to not be reset, so the measurement of the motor needle angle finds that there is no electricity, which also shows that the wiring harness is open from the fuse box to the motor, and the wiring harness is found to be damaged and broken during maintenance, and it is re-wrapped and troubleshooting.

The insurance burns, and it won't move. The point is that it still moves, that is, it feels like it can't be scraped, and every block is the same.

1.First, carefully check whether the insurance is burned out;

2.If it is not possible, the motor is burned, of course, it is more likely to burn the insurance;

3.Of course, it may also be because the rocker ball head on the motor has fallen off;

4.The linkage also needs to be inspected to see if the problem is here;

5.Check if the switch of the wiper is working properly.

Electrical or mechanical failures can cause wipers to be slower than normal. First, follow the above method to determine whether the fault is in the electrical part or the mechanical part.

Most circuit failures that cause wipers to move slowly are caused by high contact resistance. If the fault manifests itself as all speed gears are slow, the circuit between the power supply and the wiper switch should be checked, mainly the intermediate relay.

Fuse wire and wiper switch connection wire terminals.

Whether the plugging is firm and reliable. If the power supply circuit is normal, you should check whether there is any poor contact in the wiper switch.

If the power supply circuit is normal, you should check whether the lap iron circuit of the wiper motor is normal, and the voltmeter should be used.

The positive meter pen is connected to the lap iron end of the motor (or the motor housing), and the negative meter pen is connected to the negative pole of the battery, and the voltage drop should not be exceeded, otherwise the motor lap loop should be repaired. Finally, check the lubrication of the motor bearing and worm gear group.

This is when the wiper motor is heated and the power drops, so it would be nice to change it to a wiper motor.

The following aspects need to be checked when the wiper is not moving:

1. Check the wiper blades.

Usually do not pay attention to the maintenance of car wiper blades, rainy days found that it has been seriously damaged, can not work normally, timely replacement of a pair of wiper blades.

2. Check the wiper motor.

After opening the car cover, you can see the wiper motor, you can touch the wiper motor with your hands, if you feel hot, it means that the motor is short circuited inside, and replacing the motor can solve the problem.

3. Check the wiper linkage.

There are many connected places in the wiper link, and if there is a problem in these places, the wiper cannot work properly, and you can judge whether it is a side rod failure by looking at the operation of the wiper.

4. Check the wiper fuse.

In order to protect the car line, each electrical equipment is equipped with a fuse, if the wiper can not work, you can check whether the wiper insurance is blown, and you can replace the fused with the spare insurance on the car.

5. Check the wiper switch.

Although the wiper switch is not often used, the automotive electrical appliance itself is unstable, so when the above inspection is not found, it is necessary to consider that there may be a problem with the wiper switch, and the multimeter can be used to measure the quality of the switch, or it can be directly replaced with a new one to test.

6. Check the wiper line.

Checking the wiring is a complicated and time-consuming matter, and it is necessary to be able to skillfully use the car multimeter, which will measure voltage, resistance, and current, and be able to combine it with reality to find out the fault point of the line that causes the wiper not to work.

You can refer to the following methods to check the problem.

Open the lead cover to see if the drive link is out of place (this is the most common cause).

Check that the fuse is in good condition.

Disassemble the motor cord plug to turn on the power supply, and use a multimeter to measure whether there is voltage.

If the fuse is intact and the motor has no voltage, check whether the circuit and turn signal combination switch is intact.

Generally, the motor will have a burnt smell when it burns out.

If you turn on the power supply and measure the normal voltage at the wiper motor, you can consider that the motor is broken.

Pay attention to whether the pole is connected to the wiper rocker arm in the correct way. Some of the arms are screwed to the rocker arm, while others are locked with a buckle.

Pull the wiper up and touch it with your finger to check for damage to the cleaned rubber wiper and the elasticity of the rubber blades. If the blades are aged, hardened, or cracked, then the wiper is broken.

During the test, the wiper switch is placed at various speed positions to check whether the wiper maintains a certain speed at different speeds. Especially in the intermittent working state, it is also necessary to pay attention to whether the wiper maintains a certain speed when it is in motion.

Check the wiper status and whether the wiper rod has uneven swing or leakage. If the following three situations occur, it means that the wiper is unqualified: first, the swing is not smooth, and the wiper is not beating normally; Second, the contact surface of the rubber and the glass surface cannot be completely fitted, resulting in wiping residue; Third, after wiping, the glass surface presents a water film state, and fine stripes, fog and linear residues are produced on the glass.

During the test, attention should be paid to whether there is abnormal noise in the motor, especially when the wiper motor is humming and does not rotate. This indicates that the mechanical transmission part of the wiper is rusted or stuck, and the wiper switch should be turned off immediately to prevent the motor from being burned.

The reasons why the wiper does not move are: 1. The fuse is blown; 2. The motor burns out. The workaround is:

1. As long as the fuse is replaced; 2. Put the ignition switch of the car in a power-on state, and then try to open the front cover to scrape the wiper, if there is no sound and there is a burning smell, the motor is damaged, and you need to go to a professional maintenance shop for maintenance. Wipers are an important accessory installed on the windshield to remove rain, snow and dust from the windshield that obstructs the view. Therefore, it plays an important role in driving safety.

Wipers generally include vacuum wipers, electric wipers, and wipers with electronic control units.

Wiper relay There is also a bad contact with the motor.

Hello, this may be a problem with the motor.