Toyota Tundra Service Manual: System Description

SYSTEM DESCRIPTION

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

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.

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

    Sliding Roof ECU Power Source Circuit

    System Diagram

    See More:

    Toyota Tundra Service Manual > Headlight Assembly(for Halogen Headlight): Reassembly
    REASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. INSTALL FRONT SIDE MARKER LIGHT BULB (a) Install the front side marker light bulb to the front side marker light bulb socket. (b) Turn the front side m ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2024 Copyright www.ttundra.com
    0.0342