System Description

WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.

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.

FUNCTION OF MAIN COMPONENT

COMPONENT FUNCTION CHART

Component	Outline
Sliding Roof Drive Gear Sub-assembly (Sliding Roof Control ECU)	Sliding roof control ECU controls sliding roof motor to rotate forward and backward, which tilts or slides sliding roof glass.
Overhead Junction Block	Output of operation signals from built-in sliding roof switch to sliding roof control ECU is handled by overhead junction block.

SYSTEM OPERATION

The sliding roof has the following features:

SYSTEM OPERATION REFERENCE

Function	Outline
Manual slide open and close	This function causes sliding roof to open (or close) when OPEN/ CLOSE switch is momentarily pressed. Sliding roof stops as soon as the switch is released.
Auto slide open and close	This function causes sliding roof to fully open (or close) when OPEN/ CLOSE switch is momentarily pressed. Sliding roof stops as soon as the switch is released.
Manual tilt up and down	This function causes sliding roof to tilt up (or tilt down) when UP/DOWN switch is pressed for a maximum of 0.3 seconds.
Auto tilt up and down	This function enables sliding roof to tilt up (or down) when UP/DOWN switch is pressed for a minimum of 0.3 seconds.
Jam protection	The jam protection function automatically stops sliding roof, or stops sliding roof and makes it open halfway (or fully tilted up) 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 43 seconds after engine switch is turned off, if front doors are not opened.