Toyota Tundra. Manual — part 896



Sliding roof in fully open or UP position



Vehicle speed 75 km/h (47 mph) or less (during acceleration)

2. Conditions that enable the sliding roof to automatically deflector UP:



Sliding roof in fully open or DOWN position



Vehicle speed 65 km/h (40 mph) or less (during deceleration)

6. CHECK FAIL-SAFE FUNCTION

a. If the sliding roof does not close because the jam protection function operates improperly, press the

TILT switch to up and hold it for 10 seconds or more. Then the sliding roof glass will be fully tilted
up. (It goes down a little after it is fully tilted up.) Then, you can manually close the sliding roof.

CUSTOMIZE PARAMETERS

1. CUSTOMIZING FUNCTION WITH TECHSTREAM

HINT:

The following items can be customized.

a. Connect the Techstream to the DLC3.

b. Turn the ignition switch ON.

c. Turn the tester on.

d. Enter the following menus:

Select: Customize Setting.

e. Select the setting by referring to the table below.

Sliding Roof

SLIDING ROOF - CUSTOMIZE PARAMETERS

NOTE:



When the customer requests a change in a function, first make sure
that the function can be customized.



Be sure to make a note of the current settings before customizing.



When troubleshooting a function, first make sure that the function is
set to the default setting.

Display

(Item)

Default

Contents

Setting

Door Key

Related Open

ON

Function to manually open sliding roof linked with power
window if holding driver side door key for 3 seconds or more to
unlock position when ignition switch is OFF

ON /

OFF

Door Key

Related Close

ON

Function to manually close sliding roof linked with power
window if holding driver side door key for 3 seconds or more to

ON /

OFF

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Sliding Roof - Tundra

INITIALIZATION

1. INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY

a. Turn the ignition switch ON.

b. By pushing the SLIDE switch to close or the TILT switch to up on the roof console box, make the

sliding roof operate as follows:

TILT UP --> approximately 1 second --> TILT UP (The sliding roof lowers a little after it is fully
tilted up.)

c. Check that the sliding roof stops at the fully closed position.

d. Finish the initialization.

e. Check that the AUTO operation works normally.

HINT:



If the sliding roof cannot fully close or its position has become misaligned, perform the
initialization again.



If the sliding roof TILT switch to up or SLIDE switch to close is pressed and held until the
roof glass has either stopped moving or started moving in the opposite direction, and then the
switch is held for another 10 seconds or more, perform the initialization again.



If the AUTO operation function and jam protection function do not operate after the drive
gear has been initialized, replace the sliding roof drive gear (sliding roof ECU).

PROBLEM SYMPTOMS TABLE

HINT:

lock position when ignition switch is OFF

Door Key

Related

Operation

SLIDE

Function to select tilt up or slide open of manual sliding roof
operation linked with power window activated by holding driver
side door key for 3 seconds or more to unlock position when
ignition switch is OFF

TILT /

SLIDE

NOTE:

When replacing the sliding roof drive gear, the new sliding roof drive gear
requires initialization. If a reset is not executed, the following functions do
not operate: AUTO operation and jam protection function.

NOTE:

If the following conditions occur while operating, initialization will
fail.



Ignition switch is turned OFF.



Pushed sliding roof switch is released while sliding roof is
operating.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Sliding Roof - Tundra



Use the table below to help determine the cause of the problem symptom. The potential causes of the
symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each
symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.



Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Sliding roof system

SLIDING ROOF - PROBLEM SYMPTOMS CHART

TERMINALS OF ECU

Fig. 5: Identifying W3 ECU Connector Terminal
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

1. SLIDING ROOF DRIVE GEAR (SLIDING ROOF ECU)

a. Disconnect the W3 ECU connector.

b. Measure the voltage and resistance according to the value(s) in the table below.

W3 ECU CONNECTOR VOLTAGE AND RESISTANCE SPECIFICATION

Symptom

Suspected Area

See

Sliding function and
tilt function do not
operate

Sliding roof ECU
power source circuit

SLIDING ROOF ECU

POWER SOURCE

CIRCUIT

Either sliding
function or tilt
function does not
operate

Sliding roof control
switch circuit

SLIDING ROOF

CONTROL SWITCH

CIRCUIT

Key-linked open /
close operation does
not operate

Power door lock
control system

HOW TO PROCEED

WITH

TROUBLESHOOTING

Sliding roof drive
gear

SLIDING ROOF
HOUSING (FOR

CREWMAX)

Terminal No.

(Symbols)

Wiring Color

Terminal

Description

Condition

Specified

Condition

W3-1 (UP) - Body

LG - Body Sliding roof switch TILT switch is pressed Below 1 ohms

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Sliding Roof - Tundra

If the result is not as specified, there may be a malfunction on the wire harness side.

DTC CHECK/CLEAR

1. CHECK DTC

a. Connect the Techstream to the DLC3.

b. Turn the ignition switch ON.

c. Turn the tester on

d. Enter the following menus:

Select: Body Electrical / Sliding Roof / Trouble Codes.

e. Check the DTCs.

2. CLEAR DTC

a. Connect the Techstream to the DLC3.

b. Turn the ignition switch ON.

c. Turn the tester on.

d. Enter the following menus:

ground

ground

signal

to up

W3-1 (UP) - Body

ground

LG - Body

ground

Sliding roof switch

signal

TILT switch is not

pressed to up

10 kohms or

higher

W3-2 (DWN) -

Body ground

W - Body

ground

Sliding roof switch

signal

TILT switch is pressed

to down

Below 1 ohms

W3-2 (DWN) -

Body ground

W - Body

ground

Sliding roof switch

signal

TILT switch is not

pressed to down

10 kohms or

higher

W3-6 (OPN) - Body

ground

O - Body

ground

Sliding roof switch

signal

SLIDE switch is pressed

to open

Below 1 ohms

W3-6 (OPN) - Body

ground

O - Body

ground

Sliding roof switch

signal

SLIDE switch is not

pressed to open

10 kohms or

higher

W3-7 (CLS) - Body

ground

V - Body

ground

Sliding roof switch

signal

SLIDE switch is pressed

to close

Below 1 ohms

W3-7 (CLS) - Body

ground

V - Body

ground

Sliding roof switch

signal

SLIDE switch is not

pressed to close

10 kohms or

higher

W3-8 (E) - Body

ground

W-B - Body

ground

Ground

Always

Below 1 ohms

W3-9 (IG) - Body

ground

SB - Body

ground

IG power supply

Ignition switch ON

11 to 14 V

W3-9 (IG) - Body

ground

SB - Body

ground

IG power supply

Ignition switch OFF

Below 1 V

W3-10 (B) - Body

ground

L - Body

ground

+B power supply

Always

11 to 14 V

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Sliding Roof - Tundra