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How to Decode Car Headlights?

1 Answers
LunaFitz
07/30/25 2:53am
Add a capacitor for the computer to detect the bulb. Based on the signal size output by the driving computer, 22000UF and 4700UF are commonly used. Typically, the decoding method used in cars is Ohm's Law: R (resistance) = U (voltage) / I (current). Modify the CAN protocol of the trip computer, also known as computer soft decoding.
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More Forum Discussions

Where is the water temperature sensor located on the Buick GL8?

Follow the upper radiator hose towards the thermostat on the engine side, and you will find a usually copper-colored component with wiring terminals - this is the water temperature sensor. Below is relevant information about the water temperature sensor: 1. Water temperature sensor classification: There are two main types of water temperature sensors. Regardless of type, their internal structure consists of a thermistor with resistance values ranging between 275 ohms to 6500 ohms. The resistance increases as temperature decreases and decreases as temperature rises. 2. Water temperature sensor operating conditions: These two types of sensors operate under different voltage conditions. The sensor for the water temperature gauge uses 12V, while the one for the engine control unit uses 5V, making them non-interchangeable. Additionally, their connector shapes differ - the former has only one wire in the connector, while the latter for the engine control unit has two wires.
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What is the weight of the Volkswagen Sagitar?

Volkswagen Sagitar 1.6L manual version weighs 1300kg; 180TSI (1.2T) version weighs 1370kg; 280TSI (1.4T) version weighs 1395kg. The Sagitar is a joint-venture A+ class sedan brand under FAW-Volkswagen, with its predecessor being the fifth-generation Volkswagen Jetta sedan from Germany, positioned as a "German high-performance sedan". In terms of body dimensions, the Volkswagen Sagitar measures 4753mm in length, 1800mm in width, and 1462mm in height, with a wheelbase of 2731mm. In terms of appearance, the new Sagitar's design abandons the individuality and sportiness of the older models, featuring a distinctive family-style design, with an overall look that is elegant and stable, smooth body lines, and relatively refined details.
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How to Open the Fuel Tank Cap of Volkswagen Sagitar?

Volkswagen Sagitar opens the fuel tank cap method: The fuel tank cap of Sagitar is located on the right side of the car body. When the central locking system of the vehicle is unlocked, gently press the fuel tank cap to open it. The fuel tank cap refers to the box on the car used to store gasoline, which is square in shape, made of stainless steel, and has excellent sealing performance. Sagitar is a model under FAW-Volkswagen, with body dimensions of 4544mm in length, 1760mm in width, and 1461mm in height, and a wheelbase of 2578mm. In terms of appearance, the lower waistline on the side of the Sagitar body adopts a concave design, forming a complete and integrated shape with the front and rear fenders. The high waistline outlines the precise body curve. The front face maintains the unique style of the Volkswagen brand, with angular headlights and a wide front bumper adding a youthful and dynamic feel.
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How often should the transmission fluid of the Volkswagen Sagitar be changed?

The transmission fluid of the Volkswagen Sagitar should be changed every 60,000 kilometers, with a replacement capacity of 4L. Both the gravity replacement method and the circulation machine replacement method can be used. The Volkswagen Sagitar is positioned as a compact sedan, with body dimensions of 4753mm in length, 1462mm in width, and 1800mm in height, and a wheelbase of 2731mm. In terms of power, the Volkswagen Sagitar is equipped with two engines: one is a 1.2-liter turbocharged engine, and the other is a 1.4-liter turbocharged engine. The 1.2-liter turbocharged engine of the Volkswagen Sagitar has a maximum power of 116 horsepower and a maximum torque of 175 Nm, delivering the maximum power at 5000 to 6000 rpm and the maximum torque at 1500 to 4500 rpm. This engine is paired with either a 5-speed manual transmission or a 7-speed dual-clutch transmission.
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What engine does the 2020 Honda Fit use?

The 2020 Honda Fit still uses a 1.5-liter naturally aspirated Earth Dreams engine. Here are some details about the Honda Fit: 1. The Fit's 1.5-liter naturally aspirated engine produces 131 horsepower and 155 Nm of maximum torque. This engine reaches its maximum power at 6,600 rpm and its maximum torque at 4,600 rpm. It is equipped with i-VTEC technology and direct fuel injection, and features an aluminum cylinder head and block. This engine is paired with either a 5-speed manual transmission or a CVT. 2. The CVT is a uniquely structured transmission. It consists of two cone-shaped pulleys and a steel belt. The steel belt can move along the pulleys, allowing the transmission to vary its gear ratio continuously. The CVT can achieve stepless shifting within a fixed range of gear ratios. 3. The Fit uses a MacPherson strut front suspension and a torsion beam rear suspension. Compact cars typically use torsion beam rear suspensions because they take up very little space, which helps maximize rear passenger room and trunk space.
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What brand does Jeep belong to?

JEEP is a brand under Chrysler in the United States. Here are some relevant details:1. Chrysler has collaborated with or been acquired by other brands multiple times. Currently, it has been acquired by Fiat, forming Fiat-Chrysler. In China, it collaborates with GAC, establishing GAC Fiat-Chrysler, producing domestically the Cherokee and later the Renegade, with other models possibly to follow.2. JEEP is a product under Chrysler. The world's first Jeep off-road vehicle was produced in 1941, boasting a history of 75 years to date.3. Its lineup includes models such as the Grand Cherokee, Wrangler, Compass, Cherokee, Renegade, and Commander. Among these, the Compass features an on-demand four-wheel drive, while the Wrangler uses a part-time four-wheel drive system. Over sixty years ago, Jeep pioneered the four-wheel-drive segment with the Willys-Overland and in 1983, with its four-door, four-wheel-drive Jeep Cherokee, it paved the way for the booming compact sport utility vehicle (SUV) market.4. Jeep has been registered as an international trademark since 1950 and has become one of the most renowned consumer brands globally, synonymous with off-road performance internationally.
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