The power cord provides power for the sensor to make it work normally. The signal line is used to transmit the wheel speed signal to the control unit of the vehicle. Therefore, both wires of the ABS sensor are electric.
The difference between the two is that they have different functions, different bearings and different compositions. Different functions: the signal line is mainly used to transmit signals, and the power line is mainly used to connect the power supply. Different carriers: the signal line mainly carriesRegular and informed electrical signals, the power line mainly carries fixed voltage values and direct current that can flow in.
Analyzing from the circuit drawings, it can be observed which wires are connected to the power supply. These wires are power lines, and the others are signal lines. Observe the circuit in the car under the actual situation. The judgment method is to look at the color of the line. In general, red and black are the power cords, and other colors are the signal lines.
volts and 300 millivolts. The two wires of the ABS sensor are the power line and the signal line respectively. The power cord is red or gray, the power supply voltage is 12 volts, which is constant, and the signal line is black or yellow. The voltage value will change rapidly with the speed of the wheel, and normally it is 300 millivolts.
The trailer abs sensor is generally made of 3 wires, two of which form a power supply circuit, and the other is a signal line.The intake temperature sensor is generally a two-wire system, one is for power supply and the other is for signal line.
[Pacific Automobile Network] The two wires of abs sensor are electromagnetic coil and wire respectively. ABS sensor is a wheel speed sensor used to detect the rotation speed of the wheel. There are 3-wire and 4-wire throttle position sensors; the inside of the three-wire is a sliding variable resistor, and in addition to a sliding variable resistor, there is also a pair of idle contacts in the four-wire.
1. The line indicates the normal power supply, which is directly connected to the positive pole of the battery and is not controlled by the ignition switch; the code 50 and 50 are also connected. Line 50 is controlled by the ignition switch. Only when the ignition switch is in the starting gear, Line 50 gets electricity and supplies the load circuit.
2. It represents normal electricity, the power supply of the storage battery, which is directly powered by the storage battery. 31 represents the ground line, that is, the railway line. X is a fire line controlled by the ignition switch and passed through the unloading relay, which is usually a high-power electrical appliance, that is, IG electricity.For example, wipers, warm air, air conditioners and other equipment.
3. It means that the connector is 30g. Normal power supply means that under the normal condition of the battery, there is a power cord with a specified voltage. Line 30 is connected to the positive pole of the battery, which is called "normal positive electricity". The power cable car circuit is working normally and must have good power supply, so it is very important to understand the ins and outs of the power supply.
4. Composition of the whole vehicle circuit The whole vehicle circuit is usually composed of power supply circuit, start circuit, ignition circuit, lighting and lighting signal device circuit, instrument information system circuit, auxiliary device circuit and electronic control system circuit.
5. Line: the line that is often energized in the circuit. 30 represents the normal power supply, that is, directly from the battery to the point, not controlled by any switch, unless the boundary of the battery is disconnected.15: The power cord of controlled small-capacity electrical equipment.
6. (4) Under normal circumstances, the thermal oil in the transformer fuel tank is absolutely not allowed to be fully loaded. Why is this? (8 points) Xiao Ming's family bought a new 100W electric blanket. He wanted to use an ammeter and a voltmeter to measure the resistance value of the electric blanket, so he connected the experimental circuit as shown in Figure 9.
The positive pole of the emergency power supply is connected to the positive pole on the car, and the negative pole of the emergency power supply is connected to the negative pole on the car. You must not connect the negative wire anyway, otherwise it will burn the computer and waste a lot of money for maintenance. Two. Some emergency start-up power supplies use smart clips. The advantages of smart clips are to prevent short circuits and prevent positive and negative poles from being reversed.
The emergency power cord of the car cannot be connected in reverse. If it is lightly connected, it will burn the fuse and seriously burn the computer version. The computer in the car does not have the function of preventing the reverse connection of the power supply. As long as the ignition switch is turned on, the reverse connection of the emergency power supply will burn the body computer, and if it is serious, it will also burn the engine computer and ABS, as well as the electronic assistance computer.
For example, the voltage of the emergency power supply is 12 volts, and the battery power supply of the car is 10 volts. If the power cord is reversed, the total voltage will become 22 volts, which is much higher than the 12 volts of the original car, so the computer version will be burned.
1. If you want to connect it, connect a 12V power cord (fire wire). Under normal circumstances, the lines that must be connected to the original car CD host are as follows: (1) Positive fire line.(2) Negative polar line. ( 3) ACC control line. 4 groups of horn wires, 1 positive and 1 negative each in each group. ( If it is a standard equipment, the colors are: white, gray, green and purple.
2. First, prepare an original car CD. First, use a hacksaw to remove the panel shelves on both sides. Use sandpaper to smooth the based end surface. Prepare all the data cables, a connection cable to the speaker, and a cable to the power supply. The audio junction pole I bought is used to connect the CD player and the speaker.
3. Left front channel +, left front channel -, right front channel +, right front channel -, left rear channel +, left rear channel -, right rear channel +, right rear channel -. If you connect two speakers, you can directly connect the two front left and right channels of the main channel.
1. There are generally two wires on the battery, one positive pole and one negative pole. The positive pole is generally represented by red, and the abdominal muscles are generally represented by black. Don't turn it up in reverse when you wire it. The automobile circuit is composed of power supply, charging system and electrical system cycle.
2. First of all, prepare a thread, as shown in the figure below. Next, open the hoods of the two cars, (Note: the red circle is the battery), as shown in the figure below. Then, remove the battery buckle, and you can easily open the battery cover, as shown in the figure below.
3. The fuse in the battery box of the electric vehicle does not need to be used, but don't load. The load current is large, and the battery line is hot and easy to burn out, so when installing the battery, use a thicker wire.
4. Yes. The engine is idling normally, the charging indicator light is extinguished, and the generator begins to generate electricity. The higher the engine speed, the greater the power generation. The remaining part of the generator can only charge the battery after meeting the electricity of car electrical appliances.
16 square meters of copper wire is used for ordinary cars, 25 square meters of copper wire is used for trucks, and 35 square meters of copper wire is used for heavy trucks. Because the starting engine current of the car ignition wire is large, the battery voltage is low and the current is large, the smaller the resistance of the ignition wire, the better.
That is to say, 16 squares of battery and fire wire are just enough. However, if it is a large engineering vehicle, it has to be mentioned separately. The recommended national standard pure copper is 25 square meters. If it is lower than the recommended value, it will be difficult to start the engine.
The starting current of the engine is large, and the battery voltage is low and the current is greater, so the smaller the resistance of the fire wire, the better. Use 25 square copper wire. The details are as follows: (1) First, clamp the red wire of the starting wire on the positive pole of the red battery of the rescued car. ( 2) Then clamp the red wire at the other end on the positive pole of the red battery of the ambulance.
Generally speaking, the wire needed to be used for the car battery ignition wire should meet the national standard. The specific regulation is that the automobile battery ignition wire should use a copper core wire with a cross-section of 5 square millimeters.
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The power cord provides power for the sensor to make it work normally. The signal line is used to transmit the wheel speed signal to the control unit of the vehicle. Therefore, both wires of the ABS sensor are electric.
The difference between the two is that they have different functions, different bearings and different compositions. Different functions: the signal line is mainly used to transmit signals, and the power line is mainly used to connect the power supply. Different carriers: the signal line mainly carriesRegular and informed electrical signals, the power line mainly carries fixed voltage values and direct current that can flow in.
Analyzing from the circuit drawings, it can be observed which wires are connected to the power supply. These wires are power lines, and the others are signal lines. Observe the circuit in the car under the actual situation. The judgment method is to look at the color of the line. In general, red and black are the power cords, and other colors are the signal lines.
volts and 300 millivolts. The two wires of the ABS sensor are the power line and the signal line respectively. The power cord is red or gray, the power supply voltage is 12 volts, which is constant, and the signal line is black or yellow. The voltage value will change rapidly with the speed of the wheel, and normally it is 300 millivolts.
The trailer abs sensor is generally made of 3 wires, two of which form a power supply circuit, and the other is a signal line.The intake temperature sensor is generally a two-wire system, one is for power supply and the other is for signal line.
[Pacific Automobile Network] The two wires of abs sensor are electromagnetic coil and wire respectively. ABS sensor is a wheel speed sensor used to detect the rotation speed of the wheel. There are 3-wire and 4-wire throttle position sensors; the inside of the three-wire is a sliding variable resistor, and in addition to a sliding variable resistor, there is also a pair of idle contacts in the four-wire.
1. The line indicates the normal power supply, which is directly connected to the positive pole of the battery and is not controlled by the ignition switch; the code 50 and 50 are also connected. Line 50 is controlled by the ignition switch. Only when the ignition switch is in the starting gear, Line 50 gets electricity and supplies the load circuit.
2. It represents normal electricity, the power supply of the storage battery, which is directly powered by the storage battery. 31 represents the ground line, that is, the railway line. X is a fire line controlled by the ignition switch and passed through the unloading relay, which is usually a high-power electrical appliance, that is, IG electricity.For example, wipers, warm air, air conditioners and other equipment.
3. It means that the connector is 30g. Normal power supply means that under the normal condition of the battery, there is a power cord with a specified voltage. Line 30 is connected to the positive pole of the battery, which is called "normal positive electricity". The power cable car circuit is working normally and must have good power supply, so it is very important to understand the ins and outs of the power supply.
4. Composition of the whole vehicle circuit The whole vehicle circuit is usually composed of power supply circuit, start circuit, ignition circuit, lighting and lighting signal device circuit, instrument information system circuit, auxiliary device circuit and electronic control system circuit.
5. Line: the line that is often energized in the circuit. 30 represents the normal power supply, that is, directly from the battery to the point, not controlled by any switch, unless the boundary of the battery is disconnected.15: The power cord of controlled small-capacity electrical equipment.
6. (4) Under normal circumstances, the thermal oil in the transformer fuel tank is absolutely not allowed to be fully loaded. Why is this? (8 points) Xiao Ming's family bought a new 100W electric blanket. He wanted to use an ammeter and a voltmeter to measure the resistance value of the electric blanket, so he connected the experimental circuit as shown in Figure 9.
The positive pole of the emergency power supply is connected to the positive pole on the car, and the negative pole of the emergency power supply is connected to the negative pole on the car. You must not connect the negative wire anyway, otherwise it will burn the computer and waste a lot of money for maintenance. Two. Some emergency start-up power supplies use smart clips. The advantages of smart clips are to prevent short circuits and prevent positive and negative poles from being reversed.
The emergency power cord of the car cannot be connected in reverse. If it is lightly connected, it will burn the fuse and seriously burn the computer version. The computer in the car does not have the function of preventing the reverse connection of the power supply. As long as the ignition switch is turned on, the reverse connection of the emergency power supply will burn the body computer, and if it is serious, it will also burn the engine computer and ABS, as well as the electronic assistance computer.
For example, the voltage of the emergency power supply is 12 volts, and the battery power supply of the car is 10 volts. If the power cord is reversed, the total voltage will become 22 volts, which is much higher than the 12 volts of the original car, so the computer version will be burned.
1. If you want to connect it, connect a 12V power cord (fire wire). Under normal circumstances, the lines that must be connected to the original car CD host are as follows: (1) Positive fire line.(2) Negative polar line. ( 3) ACC control line. 4 groups of horn wires, 1 positive and 1 negative each in each group. ( If it is a standard equipment, the colors are: white, gray, green and purple.
2. First, prepare an original car CD. First, use a hacksaw to remove the panel shelves on both sides. Use sandpaper to smooth the based end surface. Prepare all the data cables, a connection cable to the speaker, and a cable to the power supply. The audio junction pole I bought is used to connect the CD player and the speaker.
3. Left front channel +, left front channel -, right front channel +, right front channel -, left rear channel +, left rear channel -, right rear channel +, right rear channel -. If you connect two speakers, you can directly connect the two front left and right channels of the main channel.
1. There are generally two wires on the battery, one positive pole and one negative pole. The positive pole is generally represented by red, and the abdominal muscles are generally represented by black. Don't turn it up in reverse when you wire it. The automobile circuit is composed of power supply, charging system and electrical system cycle.
2. First of all, prepare a thread, as shown in the figure below. Next, open the hoods of the two cars, (Note: the red circle is the battery), as shown in the figure below. Then, remove the battery buckle, and you can easily open the battery cover, as shown in the figure below.
3. The fuse in the battery box of the electric vehicle does not need to be used, but don't load. The load current is large, and the battery line is hot and easy to burn out, so when installing the battery, use a thicker wire.
4. Yes. The engine is idling normally, the charging indicator light is extinguished, and the generator begins to generate electricity. The higher the engine speed, the greater the power generation. The remaining part of the generator can only charge the battery after meeting the electricity of car electrical appliances.
16 square meters of copper wire is used for ordinary cars, 25 square meters of copper wire is used for trucks, and 35 square meters of copper wire is used for heavy trucks. Because the starting engine current of the car ignition wire is large, the battery voltage is low and the current is large, the smaller the resistance of the ignition wire, the better.
That is to say, 16 squares of battery and fire wire are just enough. However, if it is a large engineering vehicle, it has to be mentioned separately. The recommended national standard pure copper is 25 square meters. If it is lower than the recommended value, it will be difficult to start the engine.
The starting current of the engine is large, and the battery voltage is low and the current is greater, so the smaller the resistance of the fire wire, the better. Use 25 square copper wire. The details are as follows: (1) First, clamp the red wire of the starting wire on the positive pole of the red battery of the rescued car. ( 2) Then clamp the red wire at the other end on the positive pole of the red battery of the ambulance.
Generally speaking, the wire needed to be used for the car battery ignition wire should meet the national standard. The specific regulation is that the automobile battery ignition wire should use a copper core wire with a cross-section of 5 square millimeters.
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