Toyota Venza manuals

Toyota Venza: System Description

SYSTEM DESCRIPTION

1. GENERAL

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

2. FUNCTION OF MAIN COMPONENT

Component

Outline

Sliding roof ECU (Sliding roof drive gear sub-assembly)

Sliding roof ECU controls the rotational direction of the motor, which tilts or slides sliding roof glass.

Sliding roof switch (Roof console box assembly)

Sliding roof switch (roof console box assembly) outputs operation signals to sliding roof ECU (sliding roof drive gear sub-assembly).

3. SYSTEM OPERATION

The sliding roof has the following features.

Function

Outline

Manual slide open and close

This function causes sliding roof to open (or close) when SLIDE OPEN switch (or SLIDE CLOSE switch) is pressed for a maximum of 0.3 seconds. Sliding roof stops as soon as switch is released.

Auto slide open

This function causes sliding roof to be fully open when SLIDE OPEN switch is pressed for a minimum of 0.3 seconds.

Manual tilt up and down

This function causes sliding roof to tilt up (or tilt down) when TILT UP switch (or TILT DOWN switch) is pressed for a maximum of 0.3 seconds. Sliding roof stops as soon as switch is released.

Auto tilt up

This function causes sliding roof to fully tilt up when TILT UP switch is pressed for a minimum of 0.3 seconds.

Jam protection

This function automatically stops the sliding roof and moves it open half way (or fully tilt up) if a foreign object gets jammed in the sliding roof during close or tilt down operation.

Key-off operation

This function makes it possible to operate the sliding roof for approximately 43 seconds after the ignition is turned to ACC or off, if the front doors are not opened.

Sliding roof open warning

When the ignition switch is turned from ON to off and the driver door is opened with the sliding roof open, the buzzer in the combination meter assembly sounds once. Then, the multi-information display on the accessory meter assembly displays "MOON ROOF OPEN"*.

*: w/ Rear View Monitor

System Diagram
SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Main body ECU (Driver side junction block assembly) Sliding ro ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use these procedure to troubleshoot the sliding roof system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP ...

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Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Sliding Roof / Trouble Codes. (e) Check the details of the DTC(s) (See ...

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