How long does it take for 12123 to review the filing of a non-personal motor vehicle?

What do CAN_L and CAN_H represent in a car?

In the electronic fuel injection circuit, CAN-L and CAN-H are part of the vehicle's network transmission method. CAN-H refers to the high voltage in the dominant state of the network line, while CAN-L refers to the low voltage in the dominant state. The following are the differences between CAN-L and CAN-H: 1. The colors of the two wires are different. CAN-H has primary and secondary colors, while CAN-L has only one color. 2. The voltage signals are different. If both are 2.5V, it is considered as 1, called the dominant state; if the high voltage is 3.5V and the low voltage is 1.5V, it is called the recessive state. 3. In the vehicle's network transmission method, CAN-H is the high-level data line, and CAN-L is the low-level data line. The two are twisted together, which makes the CAN bus less sensitive to electromagnetic interference.

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What to Do If It Rains Right After Crystal Coating?

If it rains right after crystal coating, it is recommended to move the car indoors and gently dab the body dry with a dry towel (note: do not wipe). Generally, rain after 24 hours of coating is not a problem, and after 7 days, it is completely safe to expose the car to rain or wash it. Below is an introduction to automotive paint crystal coating: 1. Automotive paint crystal coating involves applying a thin film over the car's paint surface to maintain its gloss and provide a physical protective layer, thereby safeguarding the paint. 2. Automotive paint crystal coating is a type of macromolecular polymer, essentially a chain of interconnected molecules. Due to its strong film-forming properties, it can create a true protective film.

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Why Does the Car Still Roll When in P Park?

It is normal for a car to roll slightly when in P Park. The P Park is the parking gear for motor vehicles, and its locking mechanism has a certain gap. If only the P Park is used for parking, there will be a certain range of rolling. However, if the parking brake is applied, the vehicle will not roll. Below is an introduction to car gears: 1. P Park represents the parking gear, also known as the parking brake gear, used when the vehicle is parked. 2. D Drive represents the driving gear, used when the vehicle is moving. 3. R Reverse represents the reverse gear, used when the vehicle is moving backward. 4. N Neutral represents the neutral gear, used when towing or temporarily parking. 5. S Sport is the sport mode. 6. M Manual is the manual mode.

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Which country produces Bilstein shock absorbers?

Bilstein shock absorbers are produced in Germany. Here is some relevant information about Bilstein shock absorbers: 1. Bilstein shock absorbers utilize a gas-chamber filling system, which enhances the shock absorber's responsiveness and effectively prevents the mixing of damping oil and gas to form bubbles. 2. Performance of Bilstein shock absorbers: 1. The heat generated inside the shock absorber warms the damping oil, causing its viscosity to thin. 2. The thinned damping oil reduces resistance when passing through the oil valve, leading to a decrease in damping force, known as shock fade (Shock-Fade).

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When did Beijing start implementing China VI emission standards?

Beijing implemented the China VI emission standards for light-duty gasoline vehicles on January 1, 2020. Here are the relevant details: 1. Light-duty gasoline vehicles refer to M1, M2, and N1 category vehicles with a maximum design total mass not exceeding 3500kg. However, starting from July 1, 2019, heavy-duty gas vehicles and heavy-duty diesel vehicles for public transportation and sanitation industries sold and registered in the city must meet the China VI-b phase standard requirements. 2. M1 category vehicles refer to passenger vehicles with no more than 9 seats including the driver's seat; M2 category vehicles refer to passenger vehicles with more than 9 seats including the driver's seat and a maximum design total mass not exceeding 5000kg; M3 category vehicles refer to passenger vehicles with more than 9 seats including the driver's seat and a maximum design total mass exceeding 5000kg; N1 category vehicles refer to cargo vehicles with a maximum design total mass not exceeding 3500kg; N2 category vehicles refer to cargo vehicles with a maximum design total mass exceeding 3500kg but not exceeding 12000kg; N3 category vehicles refer to cargo vehicles with a maximum design total mass exceeding 12000kg.

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What is the situation when a car burns coolant?

There are 5 situations when a car burns coolant: Damaged radiator cap: A damaged radiator cap will leak a large amount of water vapor, leading to coolant loss over time. It is necessary to replace the radiator cap with a new one. System leakage: After prolonged driving, many parts of the car's cooling system may develop leaks, which can cause the car to burn coolant. In this case, it is essential to promptly inspect the sealing condition of each component in the system. Engine overheating: Continuous high temperature and overheating of the engine can cause the coolant to boil and vaporize, leading to a significant loss of coolant through the steam valve of the radiator cap. To prevent engine overheating, it is crucial to add cooling water in time. Low water level: If the car's water level is too low, the cooling efficiency decreases, resulting in the burning of coolant. It is important to ensure the water level is maintained between the maximum and minimum marks when adding water. Non-compliant coolant: When the coolant's boiling point is too low or the evaporation rate is too high, it can lead to burning coolant. It is advisable to use the original manufacturer's coolant for refilling.

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How long does it take for 12123 to review the filing of a non-personal motor vehicle?

What do CAN_L and CAN_H represent in a car?

What to Do If It Rains Right After Crystal Coating?

Why Does the Car Still Roll When in P Park?

Which country produces Bilstein shock absorbers?

When did Beijing start implementing China VI emission standards?

What is the situation when a car burns coolant?

Does Misusing Paddle Shifters Damage the Transmission?

How to Distinguish Between China 5 and China 6 Vehicle Models?

What does DTC mean on a car?

Can Subject 4 be taken in a different location?