Toyota Tundra. Manual — part 901

OK: The Techstream displays as shown in the table according to the operation of each switch.

NG: Go to step 3

OK: REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) (see
DISASSEMBLY )

3. INSPECT SLIDING ROOF SWITCH

a. Remove the sliding roof switch (see REMOVAL ).

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

Standard resistance

SLIDING ROOF SWITCH RESISTANCE SPECIFICATION

to up

Down

Switch

Sliding roof down switch signal/
ON or OFF

ON: TILT switch is pressed to
down
OFF: TILT switch is not pressed
to down

-

Tester Connection

Switch Condition

Specified Condition

1(UP) - 5(E)

TILT switch is pressed to up

Below 1 ohms

1 (UP) - 5 (E)

TILT switch is not pressed to up

10 kohms or higher

2 (DWN) - 5 (E) TILT switch is pressed to down

Below 1 ohms

2 (DWN) - 5 (E) TILT switch is not pressed to down

10 kohms or higher

4 (OPN) - 5 (E)

SLIDE switch is pressed to open

Below 1 ohms

4(OPN) - 5(E)

SLIDE switch is not pressed to open 10 kohms or higher

3(CLS) - 5(E)

SLIDE switch is pressed to close

Below 1 ohms

3(CLS) - 5(E)

SLIDE switch is not pressed to close 10 kohms or higher

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Sliding Roof - Tundra

Fig. 15: Identifying Sliding Roof Switch Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPLACE SLIDING ROOF SWITCH (see REMOVAL )

OK: Go to Next Step

4. INSPECT ROOF CONSOLE BOX ASSEMBLY

a. Remove the roof console box with sliding roof switch (see REMOVAL ).

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

Standard resistance

ROOF CONSOLE BOX ASSEMBLY RESISTANCE SPECIFICATION

Tester Connection

Switch Condition

Specified Condition

6(UP) - 7 (E)

TILT switch is pressed to up

Below 1 ohms

6 (UP) - 7 (E)

TILT switch is not pressed to up

10 kohms or higher

5 (DWN) - 7 (E) TILT switch is pressed to down

Below 1 ohms

5 (DWN) - 7 (E) TILT switch is not pressed to down

10 kohms or higher

4 (OPN) - 7 (E)

SLIDE switch is pressed to open

Below 1 ohms

4 (OPN) - 7 (E)

SLIDE switch is not pressed to open 10 kohms or higher

3 (CLS) - 7 (E)

SLIDE switch is pressed to close

Below 1 ohms

3 (CLS) - 7 (E)

SLIDE switch is not pressed to close 10 kohms or higher

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Sliding Roof - Tundra

Fig. 16: Identifying Roof Console Box Assembly Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPLACE ROOF CONSOLE BOX ASSEMBLY (See REMOVAL )

OK: Go to Next Step

5. CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - ROOF CONSOLE BOX)

a. Disconnect the W3 ECU connector.

b. Disconnect the W7 switch connector.

c. Measure the resistance according to the value(s) in the table below.

Standard resistance

HARNESS AND CONNECTOR (SLIDING ROOF ECU - ROOF CONSOLE BOX)
RESISTANCE SPECIFICATION

Tester Connection

Condition Specified Condition

W3-1 (UP) - W7-6 (UP)

Always

Below 1 ohms

W3-2(DWN) - W7-5 (DWN) Always

Below 1 ohms

W3-6 (OPN) - W7-4 (OPN)

Always

Below 1 ohms

W3-7 (CLS) - W7-3 (CLS)

Always

Below 1 ohms

W7-6 (UP) - Body ground

Always

10 kohms or higher

W7-5 (DWN) - Body ground Always

10 kohms or higher

W7-3 (CLS) - Body ground

Always

10 kohms or higher

W7-4 (OPN) - Body ground

Always

10 kohms or higher

W7-7 (E) - Body ground

Always

Below 1 ohms

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Sliding Roof - Tundra

Fig. 17: Identifying W3 ECU Connector And W7 Roof Console Box Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) (see
DISASSEMBLY )

SLIDING ROOF ECU POWER SOURCE CIRCUIT

DESCRIPTION

If the sliding function and tilt function do not operate, there may be a malfunction in the sliding roof ECU
power source circuit.

WIRING DIAGRAM

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Sliding Roof - Tundra