LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2009 >> M45 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Windshield/Window Glass) >> Power Window Control System >> System Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

System Description

WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
  1. POWER WINDOW CONTROL SYSTEM DESCRIPTION 
    • The power window control system controls the power window UP/DOWN function using the power window regulator motors.

      The main controls of this system are the power window regulator master switch, which is built into the driver side door, and the power window regulator switches, which are built into the front passenger side door and rear doors* 1, *2.

      HINT:

      • *1: for Double Cab
      • *2: for CrewMax
    • Pressing either of the power window switches on the power window regulator switches or either of the power window switches on the power window regulator master switch transmits an UP/DOWN signal to the corresponding power window regulator motor.
  2. FUNCTION OF MAIN COMPONENT 

    The power window control system consists of the following components:

    FUNCTION OF MAIN COMPONENT

    Component Outline
    Power Window Regulator Master Switch
    • Controls power window operation for all windows
    • When window lock switch is set to lock position, window operation will only be possible with driver side power window switch.
    Power Window Regulator Switch
    • Located on front passenger side door and rear doors* 1, *2
    • Each power window regulator switch controls power window operations for its respective window.
    Power Window Regulator Motor Receives power window regulator switch signals and activates motor to change window position.
    HINT:
    • *1: for Double Cab
    • *2: for CrewMax
  3. SYSTEM FUNCTION 

    The power window control system has the following functions:

    SYSTEM FUNCTION REFERENCE CHART

    Function Outline
    Manual UP function Function that raises window while power window regulator switch or power window regulator master switch is pulled up (window stops as soon as power window regulator switch is released)
    Manual DOWN function for Driver Seat:
    Function that lowers window while power window regulator master switch is pushed halfway down (window stops as soon as power window regulator master switch is released)
    for Other Seats:
    Function that lowers window while power window regulator switch is pushed down (window stops as soon as power window regulator switch is released)
    AUTO DOWN function (for Driver Seat) Function that enables window to be fully opened by one full push of power window regulator master switch
    Remote UP/DOWN function Function that allows power window regulator master switch to control manual UP/DOWN function of front passenger side power window and rear power windows*1, *2
    Window lock function
    • Function where front passenger side power window switch and rear power window switch*1, *2 operations are disabled when window lock switch of power window regulator master switch is pressed
    • Front passenger side power window switch and rear power window switch*1, *2 can be operated when window lock switch is pressed again
    Key-off operation function
    • Function that makes it possible to operate all power windows for approximately 43 +/-1.5 seconds after ignition switch is turned OFF when front side door has not been opened
    • If 43 +/-1.5 seconds have passed or front side door is opened while AUTO DOWN function is operating, window operation stops
    HINT:
    • *1: for Double Cab
    • *2: for CrewMax
scientia non olet · About LEMON Manuals