OUTSIDE SWITCH CONTROLLER W23615.43701.01D
OUTSIDE SWITCH CONTROLLER W23615.43701.01D
OUTSIDE SWITCH CONTROLLER W23615.43701.01D
The body controller, also known as BCM (Body Control Module), is one of the important components inside a car. Its main function is to control various electrical devices on the car body, such as vehicle lighting, windshield wipers, washing, door locks, electric windows, sunroofs, electric rearview mirrors, and remote control, etc. The body controller controls these devices by receiving switch signals, and these switch signals can be directly input into the BCM or indirectly controlled through relays.
With the development of automotive technology, the functions of the body control module have become increasingly powerful and the integrated functions have also become more numerous. The BCM not only can control the basic electrical equipment of the vehicle, but also can work collaboratively with other on-board systems to achieve more complex functions. For example, it can communicate with the vehicle's safety system, entertainment system, and other control systems to achieve more intelligent vehicle management.
In addition, the body controller can also achieve some intelligent control functions, such as automatically sensing the rainfall to adjust the wipers, automatically controlling the opening and closing of the headlights, and controlling the vehicle door locks through remote control. The realization of these functions not only enhances the convenience of driving, but also improves the safety and comfort of the vehicle.
The main function of automotive circuit switches is to connect and disconnect circuits. Specifically, they have several main functions: control, protection, isolation, and grounding.
The function of automotive circuit switches is to connect and disconnect circuits, which means to open and close circuits. Switching devices have several main functions: control, protection, isolation, and grounding. Control refers to putting certain equipment or lines into or out of operation according to the requirements of the operation of the power grid or other electrical circuits. That is, under normal load current conditions, it connects or disconnects the circuit. This function is called control. Protection occurs when a power line or electrical equipment has a fault. It quickly cuts off the faulty part from the power grid to ensure the normal operation of the non-faulty part of the power grid. This function is called protection. Isolation After the power lines and equipment that need to be shut down or undergo maintenance are disconnected from the power grid (by breaking the power supply), they must be reliably isolated from the power supply to form a clear break, to prevent accidental operation and overvoltage from connecting the power supply, in order to ensure the safety of equipment and maintenance personnel. This function is called isolation. Grounding Before the power lines and power equipment are maintained, in addition to disconnecting the power supply and isolating the power supply, they must also be short-circuited and grounded. Its functions are: to discharge the residual charges on the power lines and power equipment to the ground, and to keep the power lines and power equipment at zero potential with the ground in case of a sudden power supply, to prevent potential safety accidents caused by sudden power supply.
- Ignition switch OFF position: Everything is turned off!
- ACC position: Auxiliary function position. Only turns on the audio-video/ignition socket/window wiper, etc.
- ON position: Driving position. When this position is engaged, the ACC position is also activated, and all the equipment that requires power supply during normal driving is connected. Such as: instrument panel, generator excitation, gasoline pump, high-voltage ignition device, and others, etc.
- START position: Start position. When this position is turned to this position, the ON position remains connected, but the ACC position is automatically turned off. The starter power is indirectly connected through the controller or relay, and the car starts.
- Note: The ignition switch of some cars also serves as the main power switch.
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