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Home › Infiniti › 2009 › M45 Base › Repair and Diagnosis › External Pages › Different car › Section 57 (Sliding Roof) › Sliding Roof System › System Description

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. GENERAL 

    This system has the following functions: manual slide open and close; auto slide open and close; manual tilt up and down; auto tilt up and down; jam protection; and key-off operation.

  2. FUNCTION OF MAIN COMPONENT 
    SLIDING ROOF SYSTEM MAIN COMPONENT FUNCTION CHART

    Component Outline
    Sliding roof drive gear (Sliding roof ECU) Sliding roof ECU controls sliding roof motor to rotate forward and backward, which tilts or slides sliding roof glass
    Roof console box (Sliding roof switch) Output of operation signals from built-in sliding roof switch to sliding roof ECU are handled by roof console box
    Main body ECU Transmits the vehicle speed signal and key-linked operation signals
  3. SYSTEM OPERATION 

    The sliding roof has the following features.

    SLIDING ROOF SYSTEM OPERATION CHART

    Function Outline
    Manual slide open and close This function causes sliding roof to open (or close) when SLIDE switch is pressed for less than 0.3 seconds. Sliding roof stops as soon as switch is released.
    Auto slide open and close This function causes sliding roof to be fully opened (or closed) when SLIDE switch is pressed for 0.3 seconds or more
    Manual tilt up and down This function causes sliding roof to tilt up (or tilt down) when TILT switch is pressed for less than 0.3 seconds
    Auto tilt up and down This function enables sliding roof to tilt up (or down) when TILT switch is pressed for 0.3 seconds or more
    Jam protection function The jam protection function automatically stops sliding roof and makes it open halfway (or fully tilts it upward) if a foreign object gets jammed in sliding roof during auto close operation (or auto tilt down operation)
    Key-off operation Key-off operation function makes it possible to operate sliding roof for approximately 45 seconds after ignition switch is turned OFF if front doors are not opened
    Key-linked open / close operation When driver side door is locked, and key inserted into driver side door key cylinder is turned and maintained in lock position for 3.0 seconds or more, sliding roof ECU activates sliding roof motor to close sliding roof while key is turned. Similarly, when driver side door is unlocked and key in driver side door is turned and maintained in unlock position for 3.0 seconds or more, sliding roof ECU activates sliding roof motor to slide open / tilt up sliding roof.
    Deflector Operation The height of the deflector is controlled on the basis of the vehicle speed signal when the roof is positioned in full slide open position for the purposes of improving comfort while driving the vehicle
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