Power Windows System Description - Components
Power Window Master Switch (Without Door Multiplex Control Unit)
The power window master switch is installed in the driver's door panel.
Power Window Master Switch (With Door Multiplex Control Unit)
For some models, the door multiplex control unit built into the power window master switch. It has a built-in B-CAN transceiver and a LIN transceiver. The power window master switch sends signals from the LIN to each power window switch and to the moonroof control unit/motor.
Front Passenger's Power Window Switch
For some models, the front passenger's power window switch has a built-in control unit. Control is performed by receiving signals from the power window master switch via the LIN.
Rear Power Window Switches
The left/right rear power window switch is installed rear door panel.
Power Window Motors
The motor 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.