As soon as the horn of my electric car is started, it keeps ringing, what is the reason?

As soon as the horn of the electric car is started, it will ring non-stop, and the switch contacts are sticky.

The horn switch of electric vehicles generally uses a key switch, a press down, two contacts are connected, so that the horn power is turned on and rings, a let go, the switch is disconnected, and the horn stops beeping. Because the internal structure of the key switch is different, the reset method is also different. There are switches that use spring reset, there are elastic resets by the phosphor copper sheet itself, and there are also rubber drums, no matter which reset method, as long as you press down and then let go, the switch does not reset, the horn will keep ringing, and it may be reset by bumping.

The easiest solution is to replace a key switch.

1.Anti-theft device sensitivity The car alarm keeps ringing, most likely because the sensitivity of the anti-theft device is too high, causing the device to feel a little vibration and sound the alarm. The solution is to first find the main engine of the immobilizer, which is generally under the steering wheel and in the guard plate under the A-pillar.

Then directly fine-tune the sensitivity adjustment torque.

2.The immobilizer circuit may also be because there is a problem with the wiring of the immobilizer host, which needs to be inspected, repaired or replaced in time. But whether it's checking the wiring or replacing the alarm, it's best to hand it over.

3.Engine cover propped up too high There is also the possibility that the engine lid is propped up too high to press the cap, even if the car doesn't.

It must be that there are some places around the switch that are short-connected, and if the switch is not taken, it must be ringing non-stop.

Open the cover, try to reconnect the cable, see if the switch is broken, just replace it and connect it again.

The switch is broken. A Bi-Fit circuit is formed at the switch.

The reason why the battery car alarm keeps ringing:

1. The sensitivity of the anti-theft device is too high, and there is a sensitivity adjustment torque on the anti-theft vibration sensor, and you can fine-tune it.

2. The main control door is faulty, commonly known as the door touch switch fault, the alarm adjustment box is generally under the dashboard, and there is an adjustment knob on it.

3. The charger is placed on the seat of the electric vehicle during charging.

The price of electric vehicles is relatively cheap, and there is no need to consume fuel, and the cost of using electric vehicles in the later stage is also relatively low. The structure of the electric vehicle is also particularly simple, the main components of the electric vehicle are the frame, battery, electronic control system, and electric motor.

The frame is the basis on which everything is installed, and all the parts on an electric vehicle are mounted on the frame. The electric motor is the first of the electric vehicle powered, and the electric motor is responsible for providing the power to keep the electric vehicle moving.

The electronic control system is used to control the whole car circuit, if there is no electronic control system, the electric car can not work normally. A battery is a component used to store electrical energy, and the battery can power all the electronic devices on an electric vehicle.

The battery is a wearing part, and with the increase of the number of charging and discharging, the performance of the battery will also decline, so the battery needs to be replaced regularly. During charging and discharging, the ions in the battery will move in the electrolyte, and some of the ions will chemically react with the electrolyte in the process of moving.

The electric car will keep ringing because of the short circuit of the line.

1. The circuit of the switch and the horn is on, it may be that the switch in the circuit of the horn is broken and needs to be replaced.

2. It may be that the line of the horn is short-circuited, and the horn has been turned on without passing through the switch, and the short-circuit is separated by insulating tape.

3. The electric vehicle enters the water after being exposed to the rain, resulting in a short circuit in the line.

Ways to serve the battery longer:

1. Be fully charged and shallow. Don't recharge when empty, you can charge at any time, and when you charge, you must be sufficient.

2. It can be used after changing the light, when it is best to charge it for an extra hour and then turn off the power, when it should not exceed 2 hours.

3. If you don't use it for a long time, you must charge it once every 20 days or so.

4. If the light does not change after charging for more than 8 hours, the power supply should be cut off, and the test should be sent for inspection to find out whether it is the battery or the charger, and repair it at the extreme time to prevent the battery from overcharging and bulging.

5. If it is convenient, it can be manually assisted when the car is uphill or when the wind is struggling, so as to reduce the strong discharge of the battery.

The alarm will sound every few hours after locking the car because the vehicle alarm does not detect the front-end sensor or the front-end sensor sends an alarm signal, and the vehicle alarm will then send out an alarm.

In this case, it is difficult for ordinary car owners to distinguish which ones are abnormal noises and which ones are reasonable abnormal noises. Only nearly 20% of the vehicles that went to the repair shop to detect abnormal noises really had problems. Models equipped with turbocharged engines distinguish between sound and natural suction; Models with engine guards may also make noises due to friction; After some car owners come into contact with different cars, it is likely that due to their lack of understanding of mechanical knowledge, they mistake reasonable abnormal noise as a vehicle failure.

Therefore, learn to distinguish the abnormal noise of the car and avoid wasting time and energy.

How to identify the sound of a car:

In practice, due to the limitations of working conditions, it is difficult to measure the sound of the car with special instruments, and the sound of the car can only be described and compared with the judgment of the sound in daily life. For example, the "rattle" sound caused by the dry friction of the bearing, and the "click" sound similar to the small hammer hitting the cement floor caused by the excessive valve clearance.

1. Correctly distinguish between normal and abnormal sounds.

The vibration of each mechanism in the work of the car will emit a variety of sounds, but the sound does not mean that the car is faulty, in order to avoid unnecessary disassembly, we must first distinguish between normal sound and abnormal noise. The normal vibration sound of each system component (such as the noise on the surface of the engine), the impact sound of the gear when shifting, the air intake sound and exhaust sound of using gas as the working source, and the gear meshing noise are all normal sounds. Abnormal noise (abnormal noise) can be divided into slight noise, general noise and malignant noise according to the impact on the performance of the car.

Slight noise, such as the flashover sound of high-voltage electric leakage, the slight loose sound of rolling bearings, etc., the general volume is small, the degree of wear of the parts is not large, and there is no significant change for a long time, and this kind of fault can still maintain the normal operation of the car without repair.

3. When diagnosing abnormal noise, attention should be paid to creating good auscultation conditions and trying to eliminate the interference of other noises, so as not to affect the accuracy of judgment.

It is best to consciously amplify or reduce the sound, that is, use a screw or other metal rod as a stestological instrument to contact the sound part to amplify the sound, or use a single cylinder fire cut-off to reduce the sound to meet the diagnostic needs. The auscultation site should be kept quiet to minimize human interference.

Since the vehicle's alarm system is installed according to the theft, it needs to be removed by a professional before the alarm can be turned off.

Turn off the remote control alarm, cut off the power supply, look at the line leading to the alarm from the power supply part of the electric vehicle, and cut off.

The alarm can be turned off, and the reason why the alarm does not keep ringing when the electric vehicle is charging.

When charging, the charger is placed on the seat of the electric vehicle, and there is a fan inside the charger.

After 10 minutes, the vibration is easy to resonate with the electric vehicle, and it will be eliminated when you take it off and put it on the handlebar or foot pad.

The sensitivity set by the alarm is too high, you can set the sensitivity level slightly lower, and press and hold the button of the "bell" icon.

You can hear the low point of the sensitivity of the 5 tones, 4 tones, 3 tones, 2 tones, 1 tones, 5 tones cycles, and the low point of the sensitivity of the tone.

Some cars are set up at the factory to "charge port access even if the alarm is triggered", this kind of car can only turn off the horn and press mute when charging.

The alarm is not 5 wires, if it is 5 wires, it is the wire connected to the motor line, just disconnect the wire, indicating that there is a problem with the phase line.

It may be that the anti-interference of the alarm is not good, or the pulse interference of your charger is too large, you can connect a resistor of several hundred K in series on the phase line.

We know that today's chargers are mainly pulse charging.

When charging, the battery may be affected by the charger, and the output is non-constant current direct current, and the alarm is affected by it.

Parking 4 locks! The first lock switch must be locked, the second lock the rear wheel, some cars do not have a rear wheel lock, you can lock the wheel.

The third lock front wheel, with a heavier steel ring lock, the fourth remote lock, this is particularly important, there is no remote lock, the probability of loss increases by 70.

It is a line problem, and it is easy to solve it at the seller's after-sales service office or repair shop.

It may be that it is drenched on a rainy day and the circuit is broken, and it will be like this, you can turn off the power supply

There is a problem with the alarm system, hurry up and return it for repair.

If the line is in trouble, it is recommended to take it to the designated place for repair.

Summary. Hello car owner, I am a car master who has been repairing cars for 15 years, and I am happy to answer for you.

The electric car horn has been ringing non-stop, the main reason for your situation is that the switch of the electric car horn is broken, and then the switch is easy to break due to frequent rain, you can make a protective measure. And this switch is also very cheap, maybe 5 yuan or 10 yuan can be replaced. For example, the headlight switch and turn signal switch of electric vehicles are relatively easy to break, because if it rains, water will go in, and it may be used for a few months and half a year.

Hello car owner, I am a car master who has been repairing cars for 15 years, and I am happy to answer for you. The electric car horn has been ringing non-stop, the main reason for your Lu Sui rolling this situation is that the switch of the electric car horn is broken, and then the switch is easy to break due to frequent rain, you can do a protective measure. And this switch is also very cheap, maybe 5 yuan or 10 yuan can be replaced.

For example, the headlight switch of electric vehicles and the turn signal switch of finch residue are relatively easy to break, because if it rains, the water will go in, and it may be broken for a few months and half a year.

Brake wear:If you find that the brakes cannot be braked during driving, and there is a squerping sound, then it is possible that the brake pads have been seriously worn, or the brake pads may have fallen off, so the brake pads should be replaced at this time.

Pressure bearing wear:The pressure bearing bears the turning activity force, and it is easy to cause damage due to frequent friction, if the steering is difficult, please overhaul it, so as to avoid the danger caused by the steering and vulnerable fork, and the damage of the pressure bearing increases the turning friction and makes a sound.

Precautions for driving electric vehicles.

As we all know, the protective facilities of electric bicycles are weak, and the probability of damage of electric vehicles in traffic accidents is relatively large, and the consequences are more serious, so riders must wear safety helmets correctly. The helmet worn by the rider of an electric vehicle is equivalent to the seat belt worn by the driver of a car, and is the last line of defense in the event of danger.

At intersections with traffic lights, follow the instructions of the traffic lights, get off the car, take the zebra crossing, do not cross diagonally, and minimize the time spent on the road; At intersections where there are no signal lights, pay attention to ensure that it is safe to pass through.

This situation is caused by the damage of the horn switch, as long as the electric vehicle turns on the power, the horn has been working, indicating that the horn switch or the control relay is caused by adhesion, in this case, after the horn relay is unplugged, detect whether the control coil has a continuous short circuit to the ground. If this problem exists, the switch is damaged, and the horn switch needs to be replaced directly, otherwise the horn relay needs to be replaced. The relay is selected from a famous brand such as Omron or Panasonic, and the current is selected above 20A, so as to avoid frequent damage to the relay caused by too low contact capacity.