Browse

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 Pet Supplies Sporting Goods Ticket Toys Games Transportation Others

Used Cars New Cars Others

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

What does AM mean on a car?

1 Answers

Noah

07/29/25 11:19pm

It refers to the radio frequency modulation, where the AM band denotes medium wave broadcasting. Below is the definition of AM: 1. Broadcast frequency range, such as the medium wave (525~1610KHz) and shortwave (3200~22000KHz) frequency scales marked on ordinary civilian radios. The band range may vary for radios of different brands. 2. Amplitude modulation broadcasting, which modulates the audio signal onto the 'amplitude' of a high-frequency carrier wave and transmits it into the air. The radio receives the AM radio signals in the air through a magnetic antenna or an external antenna, and demodulates the audio signal through high-frequency tuning → intermediate frequency amplification → detection circuit, then restores the radio program content via the audio amplification circuit.

Was this review help?

15

5

Share

More Forum Discussions

What are the symptoms of a bad power window motor?

When operating the power window switch, the window does not respond. The motor feels weak when attempting to raise the window, or may even fail to move the window at all. Here are specific details: Window tilting: A faulty regulator may cause the glass to tilt to one side during operation. Windows with anti-pinch features may automatically lower after reaching a certain position. Replacing the power window regulator: For some vehicle models, the motor and regulator bracket can be replaced separately. If the window moves too slowly or requires manual assistance to operate, it's recommended to clean the window guide channels and apply specialized lubricant or petroleum jelly. If the guide channels have been deformed during vehicle body repairs, professional body repair technicians should be consulted for realignment.

Which letter in new energy vehicle license plates, D or F, represents pure electric?

In new energy vehicle license plates, the letter D represents pure electric. Here is a detailed introduction about new energy vehicles: 1. Overview: New energy vehicles refer to automobiles that use unconventional vehicle fuels as power sources (or use conventional vehicle fuels with new types of on-board power devices), integrating advanced technologies in vehicle power control and driving, resulting in advanced technical principles and featuring new technologies and structures. 2. Others: New energy vehicles include pure electric vehicles, range-extended electric vehicles, hybrid vehicles, fuel cell vehicles, hydrogen engine vehicles, etc.

Does idling a car for 50 minutes consume fuel?

Idling a car for 50 minutes does consume fuel. Here are the specific details: Idle state: When the car is started but not moving, it indicates the engine is in an idle state. Idle state refers to the engine running without load, with the engine speed typically ranging between 550-800 RPM. Prolonged idling can easily lead to carbon buildup in the engine. Temperature: Neither high nor low idle speeds are ideal. A high idle speed can affect engine fuel consumption, potentially increasing it, raising the internal engine temperature, accelerating engine wear, and reducing the engine's lifespan. Conversely, prolonged low idle speeds can cause the car to stall. Stalling can occur in two scenarios: one is stalling during idle, and the other is stalling while the car is in motion.

Can ABS Cause Automatic Transmission Failure?

No. The ABS warning light will come on, the anti-lock function will fail, and the brake pads cannot reset. ABS damage poses a very serious hidden danger. More information about ABS is as follows: 1. Function: It will not perform its role. The ABS system prevents wheel lock-up during emergency braking to avoid accidents. 2. Principle: During braking, ABS quickly determines the wheel lock-up state based on speed signals from each wheel speed sensor, closes the normally open input solenoid valve on the wheel that begins to lock up to maintain braking force. If the wheel continues to lock up, it opens the normally closed output solenoid valve, causing the brake pressure on that wheel to rapidly decrease due to the direct connection to the brake fluid reservoir, preventing complete wheel lock-up from excessive braking force.

What is required for an annual vehicle inspection?

Annual inspection requires the compulsory insurance certificate for motor vehicle traffic accidents and a copy of the tax payment or tax exemption certificate for vehicle and vessel tax. Relevant information about vehicle annual inspection is as follows: 1. Introduction: Vehicle annual inspection (Vehicles-inspection), also known as motor vehicle inspection. Depending on the usage nature of the motor vehicle, the inspection items and scope vary. 2. Inspection items: According to the definition in RB/T218-2017 "Evaluation of Qualification Recognition Capability for Inspection and Testing Institutions - Requirements for Motor Vehicle Inspection Institutions", motor vehicle inspection includes three categories: motor vehicle safety technical inspection, motor vehicle emission inspection, and comprehensive vehicle performance inspection.

What causes oil ingress in the EA211 engine wiring harness?

It may be caused by wear of the oil cap. Wear of the oil cap can leave gaps, allowing oil to seep through and enter the engine. Relevant information about automotive engines is as follows: 1. Introduction: The automotive engine is the device that provides power to the vehicle, acting as the heart of the car, determining its power, fuel efficiency, stability, and environmental performance. Common gasoline and diesel engines are both types of reciprocating piston internal combustion engines. 2. Classification: Based on the power source, automotive engines can be divided into diesel engines, gasoline engines, electric vehicle motors, and hybrid power types, among others.

Trending Ranking

How to Replace the Excelle Air Filter?

Can a Diesel Vehicle Continue to Run Without Urea?

Where is the carbon canister located in a car?

What causes the car to display SVS and fail to start?

What Does Vehicle and Vessel Tax Include?

Does Vehicle and Vessel Tax Include Water Wading Insurance?

Will the Window Switch Break if It Gets Wet?

Is Vehicle and Vessel Tax Mandatory?

Can a diesel vehicle continue to drive with a water temperature of 100?

What Causes the Car Window to Not Open?

More Forum Discussions

What are the effects of water entering through an open car window?

What causes the continuous clicking sound when the car window reaches the top?

What causes the car not to start and the fuel pump not to supply oil?

Can a car with very dark window film pass the annual inspection?

Help

Cookie

Cookie Settings

© 2025 Servanan International Pte. Ltd.