Toyota Tundra. Manual — part 899

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.

Fig. 8: Identifying Roof Console Box Assembly Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Standard resistance

ROOF CONSOLE BOX ASSEMBLY RESISTANCE SPECIFICATION

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.

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

b. Disconnect the W7 roof console box 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

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

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

Tester Connection

Switch 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

DTC B2343 POSITION INITIALIZATION INCOMPLETE

DESCRIPTION

This DTC is output when the sliding roof drive gear (sliding roof ECU) has not been initialized.

DTC B2343 POSITION INITIALIZATION INCOMPLETE DETECTION CONDITION CHART

WIRING DIAGRAM

Fig. 10: Sliding Roof Switch - Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)

a. Check that the sliding roof drive gear can be initialized (see INITIALIZATION ).

OK: Sliding roof drive gear can be initialized.

NG: GO TO STEP 3

OK: Go to Next Step

2. CHECK FOR DTC

a. Clear the DTCs (see DTC CHECK/CLEAR ).

DTC

Code

DTC Detection Condition

Trouble Area

B2343

Sliding roof drive gear (sliding roof ECU) has not been
initialized

Sliding roof drive gear (sliding roof
ECU)

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Sliding Roof - Tundra

b. Check for DTCs (see DTC CHECK/CLEAR ).

Result

B2343 POSITION INITIALIZATION INCOMPLETE RESULT CHART

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

A: END

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

a. Disconnect the W3 ECU connector.

Fig. 11: Identifying W3 ECU Connector And W7 Roof Console Box Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Disconnect the W7 roof console box connector.

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

Standard resistance

Result

Proceed to

No DTC is output

A

DTC B2343 is output

B

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Sliding Roof - Tundra