What Causes the AC Light to Flash?

1 Answers
MacEleanor
07/30/25 5:16am
There are many possible reasons for the AC light flashing, with different definitions across various car models—it's not limited to just one possibility. Typically, it indicates a fault in the air conditioning electronic control system. Some common potential causes include: 1. Wiring fault: A short circuit or damage in the air conditioning wiring control should be repaired as soon as possible. 2. Pressure switch failure: The pressure switch is a critical component of the air conditioning system, primarily responsible for air supply. 3. Indoor/outdoor temperature sensor failure: If the outdoor temperature sensor malfunctions, it should be replaced promptly at a 4S shop—avoid attempting replacement on your own.
Was this review help?
20
3
Share
More Forum Discussions

Is the Brake Pedal Higher Than the Accelerator Pedal?

The height of the brake pedal is often higher than that of the accelerator pedal. Below are the relevant explanations: 1. Reasons why the brake pedal is higher than the accelerator pedal: This is primarily to minimize accidental pressing of the accelerator pedal and to enhance driving comfort. 2. Dimensions of the brake pedal being higher than the accelerator pedal: After comparing over ten models with floor-mounted accelerator pedals, including German brands (Volkswagen, Audi, BMW), Japanese and Korean brands (Hyundai, Kia), and domestic brands (Geely, Great Wall, Changan, BYD), the height difference between the brake pedal surface and the floor-mounted accelerator pedal surface generally ranges between 30~50mm.
16
2
Share

What is the function of the roof drain channel clip on the Mazda6?

The roof drain channel clip on the Mazda6 serves as a quick interface for installing roof racks. Below is some relevant information about the Mazda6: 1. Powertrain: The Mazda6 is equipped with two engines - a 2.0-liter and a 2.3-liter inline four-cylinder engine. The 2.3-liter four-cylinder engine utilizes Sequential Valve Timing (S-VT) and Variable Valve Timing (VVT) technologies, which significantly enhance engine performance, delivering more torque and greater power output. 2. Features: The vehicle comes with a card-type smart key, an 8-way power-adjustable driver's seat with 3 memory settings, xenon headlights, automatic headlight control, and headlight washers.
9
3
Share

What causes the insufficient power of Roewe 350?

When the engine power is used at high RPM, the noise becomes noticeable. The suspension is relatively stiff, and the steering system feels slightly heavy at low speeds. Here is the extended information about the Roewe 350: 1. Engine: The Roewe 350 is equipped with a 1.5L-VTi-Tech high-efficiency engine. Compared to the older 350 model, the Roewe 350 has undergone technical upgrades in fuel economy. By applying new technologies, improvements have been made to the chassis, engine, and transmission, reducing fuel consumption to only 6.9L, which is 12% lower than the older 350 model. The 2014 350 model added Tiptronic manual-automatic transmission technology, offering four driving modes: D, S, M, and W. 2. Features: Roewe has also added an ECO economy status reminder function. When the driver is in a fuel-saving driving mode, the "ECO" light illuminates, providing timely feedback on fuel consumption conditions and helping the driver develop good economical driving habits.
12
3
Share

Is There a Time Limit for Subject 4?

There is a time limit for the Subject 4 exam, with each test session lasting 45 minutes, but there is no limit to the number of attempts for Subject 4. Below are detailed explanations about it: 1. Explanation One: Starting from the registration for the driver's license, after passing the Subject 1 exam, the validity period is three years, during which all subjects must be completed. 2. Explanation Two: For those who have not taken the Subject 1 exam or failed it, the registration fee remains valid indefinitely. 3. Explanation Three: Also known as the Subject 4 theory test or driver theory test, it is part of the assessment for the motor vehicle driver's license. After the implementation of the Ministry of Public Security Order No. 123, the Subject 3 exam was divided into two parts, adding a safe and civilized driving test in addition to the road test.
7
3
Share

What Causes the Brake to Not Release?

Generally, it's due to a faulty brake switch. Replace the brake switch and adjust the brake cable. Below are specific details about the parking brake: 1. Introduction: The professional term for the parking brake is auxiliary brake. Unlike the main brake, it uses a steel cable connected to the rear brake to stop the vehicle. 2. Usage: Long-term use of the parking brake can cause the steel cable to undergo plastic deformation. Since this deformation is irreversible, prolonged use will reduce its effectiveness, and the parking brake's travel distance will also increase. Here are some additional details: 1. Maintenance: Regularly perform appropriate maintenance and inspections on the vehicle's parking brake. Some people, due to irregular maintenance, often need to lift the parking brake twice to stop the vehicle. If not careful when parking, the vehicle may slightly move backward, so the use and maintenance of the parking brake should not be overlooked. 2. Effective Point of the Parking Brake: You can park the car in a quiet place, slowly pull up the parking brake while counting the clicks from the ratchet until the handle reaches its limit. Then calculate 70% of the total number of clicks—this position is the effective working point of the parking brake handle.
6
2
Share

What kind of light is the headlight turned on in Subject 3?

Headlights refer to the vehicle's high beam, low beam, and turn signals, with the low beam being part of the headlights. Here are detailed explanations about it: 1. Explanation one: In the Subject 3 exam, turning on the headlight means turning on the low beam, and only the low beam can be turned on. This is because each instruction is connected, and if the high beam is turned on initially, the subsequent operations cannot be performed. 2. Explanation two: In vehicle usage, the requirements for headlights are to provide good illumination while avoiding dazzling oncoming drivers.
3
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.