Power Window Control System System Description

Vehicle Exterior. Corolla. Zre142 Aze141
Window Glass. Corolla. Zre142 Aze141

  1. POWER WINDOW CONTROL SYSTEM DESCRIPTION

  1. FUNCTION OF MAIN COMPONENTS

  1. SYSTEM FUNCTION

Power Window Control System -- System Description



POWER WINDOW CONTROL SYSTEM DESCRIPTION
The power window control system controls the power window UP and DOWN function using the regulator motors.
The main controls of this system are: the power window master switch which is built into the driver side door, and the power window switches which are built into the front passenger side door and rear doors. Pressing the switch or any of the switches on the master switch transmits an UP or DOWN signal to the corresponding power window regulator motor.

FUNCTION OF MAIN COMPONENTS

Component
Outline
Power Window Master Switch
  1. Controls window operations for all windows
  2. When window lock switch is set to lock position, window operation is only possible with master switch
Power Window Switch
  1. Located on passenger side door and rear doors
  2. Each regulator switch controls window operations for its respective window
Power Window Regulator Motor Assembly
Receives switch signals and changes signals into motor activation to change window position
Main Body ECU (Instrument Panel Junction Block)
Main body ECU (instrument panel junction block) controls the PWR relay (operation)

SYSTEM FUNCTION
The power window control system has the following functions.

Function
Outline
Manual UP and DOWN function
  1. Driver side power window:
    Function that raises window while power window switch is pulled up, and lowers window while pushed halfway down (window stops as soon as switch is released)
  2. Other power windows:
    Function that raises window while power window switch is pulled up, and lowers window while pushed down (window stops as soon as switch is released)
AUTO DOWN function
Function that enables window of driver side door to be fully opened by one full push downward on power window switch
Remote UP and DOWN function
Function that allows power window master switch to control manual UP and DOWN operation of passenger side power window and rear power windows
Window lock function
  1. Function where passenger side power window and rear power window operation is disabled when window lock switch of master switch is pressed
  2. Passenger side power window and rear power windows can be operated when window lock switch is pressed again
Key-off operation function
Function that makes it possible to operate power window for approximately 45 seconds after the ignition switch is turned from ON to off, if either front door is not opened.