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List of contents of this article:

• 1, What are the symptoms of a broken car relay
• 2, The role of automotive relay
• 3, What is the function of automobile relays?
• 4、car Symptoms of broken relay
• 5,Casino redeem What is the function of the car relay
• 6, How to identify the quality of car relays?

What symptoms will occur if the car relay breaks down

1. The symptoms of car relay failure include starter not turning, starter unable to start, starter idle, etc. Relay is an automatic control device. When the input (electricity, magnetism, sound, light, heat) reaches a certain value, its output will change dramatically.

2. Common faults of automobile relays include: coil burnout, short circuit between turns, contact erosion, thermal decay and inability to adjust the initial action current, etc.; use the digital multimeter resistance gear 2kq gear to measure the resistance value of the coil. Different relay models have different voltages and different resistance values. Generally, it will be within 2kq.

3. Hello, the symptoms of car relay damage are generally in. There will be no reaction from the relay when the electrical appliance is turned on. Another kind is a continuous beating sound inside the relay. In general, the relay is damaged. I hope my answer can help you. Thank you.

The function of automobile relay

The function of automobile relay is to control the current of the low-voltage line to control the current of the high-voltage line and play the role of a current switch.

Relay is an electrical control device, which is usually used in the control circuit of automation, and plays the role of automatic adjustment, safety protection, conversion circuit, etc. in the circuit. It is actually an "automatic switch" that uses small current to control the operation of large current.

The basic function of automobile relay is to control the operation of large current with small current, an automatic switch.It plays the role of automatic adjustment, safety protection, conversion circuit, switch and so on in the circuit. If the car relay is broken, the simplest symptom is that some functions of the car cannot be used. For example: If the oil pump relay is broken, the engine cannot start.

The basic function of automobile relays is to control the "automatic switch" of large current with small current. It plays the role of automatic adjustment, safety protection, conversion circuit, switch and so on. If the car relay is broken, the simplest symptom is that some functions of the car cannot be used. If the oil pump relay is damaged, the engine will not be able to start.

What is the function of automobile relays?

Relay is an electrical control component, which is usually used in automated control circuits, inThe circuit plays the role of automatic adjustment, safety protection, conversion circuit, etc. It is actually an "automatic switch" that uses small current to control the operation of large current.

The function of the automobile relay is to control the current of the low-voltage line to control the current of the high-voltage line and play the role of a current switch.

The basic function of automobile relays is to control the operation of large current with small current as an "automatic switch". It plays the role of automatic adjustment, safety protection, switching circuits and switches in the circuit. If the car relay is broken, the simplest symptom is that some functions of the car cannot be used.

The basic function of automobile relay is to control the operation of large current with small current, an automatic switch. It plays the role of automatic adjustment, safety protection, conversion circuit, switch and so on in the circuit.If the car relay is broken, the simplest symptom is that some functions of the car cannot be used. For example: If the oil pump relay is broken, the engine cannot start.

The basic function of automobile relays is to control the "automatic switch" of large current with small current. It plays the role of automatic adjustment, safety protection, conversion circuit, switch and so on. If the car relay is broken, the simplest symptom is that some functions of the car cannot be used. If the oil pump relay is damaged, the engine will not be able to start.

Symptoms of car relay failure

Symptoms of car relay failure include starter not turning, starter unable to start, starter idle, etc. Relay is an automatic control device. When the input (electricity, magnetism, sound, light, heat) reaches a certain value, its output will change dramatically.

Common faults of automobile relays include: coil burnout, short circuit between turns, contact erosion, thermal decay and inability to adjust the initial action current, etc.; use the digital multimeter resistance gear 2kq gear to measure the resistance value of the coil. Different relay models have different voltages and different resistance values. Generally, it will be within 2kq.

The relay is a relatively important part of the car. If the starter relay is broken, the car will not be able to start. If the ignition switch relay is broken, the car cannot be started. If the electric window relay is broken, the electric window of the car will not be able to rise and fall. There are many relays in the car, and there are fuse boxes in the car.

Common faults of automobile relays include: coil burnt, inter-turn short circuit, contact cauterization, thermal recession and inability to adjust the initial working current, etc.Measure the coil resistance with the digital multimeter resistance gear 2kq. Different relay models, different voltages, different resistance values. Generally within 2kq.

Hello, the symptoms of car relay damage are generally in. There will be no reaction from the relay when the electrical appliance is turned on. Another kind is a continuous beating sound inside the relay. In general, the relay is damaged. I hope my answer can help you. Thank you.

Obvious symptoms of car relay damage: the starter does not rotate. Fault phenomenon and cause When starting, the starter does not work, which may lead to the following faults: power outage: severe power failure of the battery or vulcanization of the pole plate, short circuit, etc., poor contact between the battery pole and the wire clip, poor contact due to the disconnection of the start-up circuit wire connection, etc.

What is the function of automobile relays

1. The functions of automobile relays are automatic adjustment, safety protection, switching circuits and electrical switches. The basic function of automobile relays is to control the automatic switch of large current with small current. If the car relay is broken, the simplest symptom is that some functions of the car cannot be used. If the oil pump relay is damaged, the engine will not be able to start.

2. Relay is an electrical controller, which is usually used in automated control circuits. In the circuit, it plays the role of automatic adjustment, safety protection, conversion circuit, etc. It is actually an "automatic switch" that uses small current to control the operation of large current.

3. The basic function of automobile relay is to use small current to control the operation of large current as an "automatic switch".It plays the role of automatic adjustment, safety protection, conversion circuit, switch and so on in the circuit. If the car relay is broken, the simplest symptom is that some functions of the car cannot be used. For example: If the oil pump relay is broken, the engine cannot start.

4. It plays the role of automatic adjustment, safety protection, switching circuits and switches in the circuit. If the car relay is broken, the simplest symptom is that some functions of the car cannot be used. If the oil pump relay is broken, the engine cannot be started; if the headlight relay is broken, the headlight cannot be turned on; if the starting relay is broken, the car cannot be started.

5. The basic function of automobile relays is the "automatic switch" that controls the operation of large current with small current. It plays the role of automatic adjustment, safety protection, conversion circuit, switch and so on. If the car relay is broken, the simplest symptom is that some functions of the car cannot be used.If the oil pump relay is damaged, the engine will not be able to start.

6. The relay has the following functions: expanding the control range: for example, when the multi-contact relay control signal reaches a certain value, it can switch, open and disconnect, and turn on the multiplex circuit at the same time according to different forms of the contact group.

How to identify the quality of car relays?

1. The method of judging whether the car relay is good or bad is: turn on the switch, and then listen to the control relay or stethoscope to whether there is an absorption sound in the relay, or feel whether the relay has a sense of vibration with your hand. If so, it means that the relay is basically working normally, and the failure of the electrical appliance is caused by other reasons; No Then, it means that the relay is working abnormally.

2. CarsThe way to judge whether the relay is good or bad is as follows: using the manual start-up method of the motor, if the motor can start, it means that there is a problem with the starting relay.

3. Turn on the ignition switch, and then use your ear or stethoscope to listen to control whether there is an absorption sound in the car relay, or feel whether the car relay has a sense of vibration with your hands. If there is, it means that the relay is basically working normally, and the failure of the electrical appliance is caused by other reasons; otherwise, it means that the relay The machine is not working abnormally.