Browse

Property For Sale Property For Rent

Used Cars Others

Antiques Collectibles Apparel Baby Kids Items Books， Movies And Music Electronics Free Stuff Garden Outdoor Health Beauty Home Goods Home Improvement Supplies Musical Instruments Office Supplies Others Pet Supplies Sporting Goods Ticket Toys Games Transportation

Business Crafts Design And Web Events Home Improvement Legal Lessons Personal Pets Photography Repair And Technical Support Wellness Writing， Translation， And Transcription Others

Activities & Groups Artists & Musicians Classes & Lessons Events Friendship & Networking Lost & Found Rideshare Sports Teams Volunteers Travel & Travel Partners Skills & Language Swap Other

Where is the circuit board in the Audi Q5L?

1 Answers

Jaden

09/04/25 4:13am

Audi Q5L has a circuit board under the rear seats. Definition of circuit board: Circuit boards are also known as: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, printed wiring boards, PCB boards, aluminum substrate boards, high-frequency boards, thick copper boards, impedance boards, PCBs, ultra-thin wiring boards, ultra-thin circuit boards, printed (copper etching technology) circuit boards, etc. Classification of circuit boards by layer count: First is the single-sided board. On the most basic PCB, components are concentrated on one side, and the wiring is on the other side. Since the wiring appears only on one side, this type of PCB is called a single-sided circuit board. Single-sided boards are usually simple to manufacture and low in cost, but the disadvantage is that they cannot be used for overly complex products. Double-sided boards are an extension of single-sided boards. When single-layer wiring cannot meet the needs of electronic products, double-sided boards are used. Both sides have copper cladding and wiring, and vias can be used to connect the circuits between the two layers, forming the required network connections. Multi-layer boards refer to printed boards with three or more conductive graphic layers separated by insulating materials and laminated together, with the conductive graphics interconnected as required. Multi-layer circuit boards are the product of the development of electronic information technology towards high speed, multi-function, large capacity, small size, thinness, and lightweight.

Was this review help?

6

2

Share

More Forum Discussions

Does the BMW X3 need spark plugs replaced at 20,000 kilometers?

BMW X3 does not require spark plug replacement at 20,000 kilometers. The replacement interval for BMW X3 spark plugs is 40,000 kilometers. If spark plugs are not replaced for a long time, it can lead to various issues such as leakage in the vehicle's ignition system, increased fuel consumption, reduced power, and most importantly, difficulty in starting, affecting the normal use of the vehicle. Spark plug replacement interval: Under normal maintenance conditions, replacement is recommended at 40,000 to 60,000 kilometers. However, this may vary depending on the brand and engine type, so it is advisable to follow the user manual. The following standards can be used as a reference for maintenance replacement: platinum spark plugs should be replaced at 40,000 kilometers, standard nickel alloy spark plugs at 20,000 kilometers, and iridium spark plugs at 60,000 to 80,000 kilometers. Steps for replacing spark plugs: Open the hood, lift the engine's plastic cover, and remove the high-voltage wires. Mark each cylinder's position to avoid confusion. Use a spark plug socket to remove the spark plugs one by one. While removing them, check for any external debris like leaves or dust and ensure they are cleaned thoroughly. Place the new spark plug into the spark plug hole, hand-tighten it a few turns, and then use the socket to tighten it further. Reinstall the removed high-voltage wires in the order of the firing sequence and secure the cover.

Why does the Corolla 1.8L only have 98 horsepower?

Because the power of hybrid models cannot be calculated solely based on the engine. The 98 horsepower only represents the engine's output, while the system also includes the power from the electric motor. The 98 horsepower comes from a 1.8-liter naturally aspirated engine. Since it is a hybrid model with electric motor assistance, the engine does not need to have very high horsepower. After all, the electric motor itself provides a maximum of 72 horsepower and 163 Nm of torque, which is sufficient for daily use. Role: The engine is the device that provides power for the car, acting as the heart of the vehicle. It determines the car's power, fuel efficiency, stability, and environmental performance. Depending on the power source, car engines can be classified into diesel engines, gasoline engines, electric motors, and hybrid engines. Function: An engine is a machine that converts other forms of energy into mechanical energy. Originating in the UK, it can refer to either the power-generating device or the entire machine including the power unit (such as gasoline engines or aircraft engines).

Which is Bigger: Subcompact Cars or Compact Cars?

Compact cars are significantly longer than subcompact cars. Here is relevant information about both types of vehicles: 1. Subcompact cars generally refer to A0-class vehicles within the A-segment. These cars typically have a wheelbase ranging from 2.2 to 2.3 meters, with engine displacements commonly between 1 to 1.3 liters. Examples of subcompact cars include the Charade. Subcompact cars usually have very low fuel consumption and relatively small body sizes, yet they offer more comfortable and spacious interiors compared to microcars. Within the A-segment, besides microcars and subcompact cars, compact cars also fall under this category. 2. Compact cars are commonly used as family vehicles abroad. The standard for compact cars is a total length between 4.2 to 4.6 meters, with a wheelbase ranging from 2.4 to 2.7 meters. Their engine displacements are typically around 1.6 to 2.0 liters. There are many models of compact cars, such as the Toyota Corolla, Nissan Sunny, Mazda 3, Ford Focus, and the Honda Civic, which has a wheelbase exceeding 2.7 meters.

Where are the positions of BMW's front oxygen sensors 1 and 2?

The first sensor always refers to the upstream oxygen sensor (before the catalytic converter), and the second sensor always refers to the downstream oxygen sensor (after the catalytic converter). A four-cylinder engine generally has only one bank, so the first sensor in bank 1 refers to the upstream sensor, and the second sensor in bank 1 refers to the downstream sensor. For six-cylinder or eight-cylinder engines: in the case of rear-wheel drive (with the pulley at the front of the car), the passenger side is bank 1, and the driver side is bank 2. The effects of a damaged oxygen sensor are as follows: Abnormal vehicle signals: An oxygen sensor malfunction usually triggers a warning light, causing abnormal signal output. The engine may shake, produce a sputtering exhaust sound, emit a pungent odor, and even disrupt the air-fuel ratio, leading to black smoke emission. If the front oxygen sensor is damaged, it must be replaced immediately and should no longer be used. Abnormal vehicle operation: If the oxygen sensor or its connecting circuit fails, it not only increases emissions beyond the standard but also worsens the engine's operating conditions. This can lead to symptoms such as stalling at idle, inaccurate engine operation, reduced power, and an imbalanced engine air-fuel mixture, resulting in increased fuel consumption.

What to Do When the Tiguan's Fan Keeps Running?

Tiguan fan continuous operation solutions are as follows: 1. Insufficient coolant causing engine overheating, leading to continuous operation of the electric fan. The solution is to add antifreeze. 2. Radiator leakage causing engine overheating, leading to continuous operation of the electric fan. The solution is to replace or repair the radiator. 3. Thermostat failure, preventing water from being sent to the radiator even when the temperature reaches the baseline, causing engine overheating and continuous operation of the electric fan. The solution is to replace the thermostat. Methods to determine the condition of the electric fan are as follows: 1. Visual Inspection: Observe the fan motor's ventilation port for any signs of burnt coils. If there are burnt marks, it indicates the fan motor coils are burnt and cannot be used. 2. Smell Test: Use your nose to detect any burnt smell from the fan motor, such as burnt coil smell, burnt plastic smell (capacitor), or burnt wire smell (wiring). If any burnt smell is detected, replace the fan motor, wiring, and capacitor. 3. Touch Test: Manually check the fan's operation by turning the shaft. If it feels stiff or not smooth, it indicates lack of lubrication in the internal bearings or rotor scraping. If scraping is found, lubricate and clean, and replace the bearings on both sides to eliminate the scraping. Check the surface temperature; if it rises too quickly or too high, it indicates a short circuit in the fan motor, and the fan motor needs to be replaced.

What type of engine oil is used for the BMW X6?

The standard oil for the BMW X6 is BMW-Quality-Longlife-04-0W-40-Oil-D. The gray shell is 5W-40, which is of a slightly lower grade and should be replaced every 5,000 kilometers. Mobil 1 Full Synthetic Oil: For higher quality, Mobil 1 Full Synthetic Oil can be used. Mobil 1 oil can also be mixed with any other oil. The Mobil 1 0W-40 Gold is the most advanced synthetic engine lubricant, specifically formulated to meet the ultimate requirements for engine cleanliness, wear protection, and overall performance. Its technology, validated by racing, is also the chosen lubricant for NASCAR. BMW X6: The BMW X6 can be equipped with a 3.0-liter twin-turbo diesel engine, a 3.0-liter twin-turbo gasoline engine, a new 4.4-liter V8 gasoline direct-injection twin-turbo engine, and a 4.8-liter gasoline engine. However, the BMW X6 models introduced in China are only equipped with the 3.0-liter and 4.4-liter V8 gasoline direct-injection twin-turbo engines. Additionally, the BMW X6 is equipped with a Dynamic Performance Control system to enhance driving stability and handling precision, working in conjunction with the xDrive AWD system to optimally distribute driving force between the front and rear axles.

Trending Ranking

How often should a sedan be inspected after six years?

Why is urban fuel consumption high?

Are all Mazda CX3 imported?

How to Enter a Parking Lot with a New Car Without License Plates?

What happens when the steering wheel is turned to the limit?

Why are some car steering wheels on the right side?

Why Shouldn't You Buy Stock Vehicles?

What are the body dimensions of the Audi A6L?

What is the solution when the vehicle displays EPC and won't start?

Is the BMW X6 Four-Wheel Drive or Two-Wheel Drive?

More Forum Discussions

How to Remove the Tie Rod on a Teana?

What are the OEM brands for BMW's three filters?

What are the differences between imported and domestically produced Audi vehicles?

Why is Car Modification Illegal?

Help

Cookie

Cookie Settings

© 2025 Servanan International Pte. Ltd.