Power Windows System Description - Components
Power Window Master Switch
The power window master switch has a built-in control unit a LIN transceiver. The power window master switch sends signals to the front passenger's door control unit and the rear door control units via the LIN.
Front Passenger's Power Window Switch
The front passenger's power window switch is connected to the front passenger's door control unit, and transmits operation signals of the front passenger's power window switch and the door lock switch.
Rear Power Window Switches
Each rear power window switch is connected to the corresponding rear door control unit, and transmits operation signal of each rear power window switch.
Power Window Motors
The power window motor with AUTO UP/DOWN function includes the pulse sensors that detect window's position and direction with the motor rotation. The rotating direction (up/down) is detected with the rotating cycles from the 2 pulse sensors and the moving amount (window position) is also detected by considering 4 pulses as one rotation pulse.