Toyota Tundra. Manual — part 2711

Fig. 15: Identifying Tilt & Telescopic Manual Switch Circuit Malfunction Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. READ VALUE USING TECHSTREAM (TILT AND TELESCOPIC MANUAL SWITCH)

a. Use the Data List to check if the tilt and telescopic manual switch is functioning properly.

Fig. 16: Identifying Tilt & Telescopic Manual Switch
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Tilt & Telescopic

TILT AND TELESCOPIC - DATA LIST TABLE

Tester

Display

Measurement Item/Range

Normal Condition

Diagnostic

Note

Neutral position: Below

2009 Toyota Tundra

2009 STEERING Steering Column - Tundra

Result

RESULT REFERENCE TABLE

B: REPLACE HEADLIGHT DIMMER SWITCH (See HEADLIGHT DIMMER SWITCH )

C: REPLACE MULTIPLEX TILT AND TELESCOPIC ECU (See MULTIPLEX TILT AND
TELESCOPIC ECU (for Power Tilt and Power Telescopic Steering Column) )

A: Go to next step.

2. CHECK HARNESS AND CONNECTOR (MULTIPLEX TILT AND TELESCOPIC ECU -

HEADLIGHT DIMMER SWITCH)

a. Disconnect the J47 multiplex tilt and telescopic ECU connector.

b. Disconnect the J10 headlight dimmer switch connector.

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

Standard Resistance

STANDARD RESISTANCE SPECIFICATION TABLE

T&T Manual

SW

Voltage data of manual switch/min.: 0
V, max.: 5 V

0.2 V
Tilt up: 1.67 to 2.13 V
Tilt down: 0.54 to 0.74 V
Telescopic contract: 1.08
to 1.40 V
Telescopic extend: 2.22 to
2.77 V

-

Result

Proceed to

Switch voltages in all directions are outside the standard.

A

Switch voltages in certain directions are outside the standard.

B

Switch voltages in all directions are within the standard.

C

Tester Connection

Condition Specified Condition

J47-4 (VC) - J10-8 (VC)

Always

Below 1 ohms

J47-3 (MSW) - J10-10 (MSW) Always

Below 1 ohms

J10-8 (VC) - Body ground

Always

10 kohms or higher

J10-10 (MSW) - Body ground

Always

10 kohms or higher

2009 Toyota Tundra

2009 STEERING Steering Column - Tundra

Fig. 17: Identifying Multiplex Tilt & Telescopic ECU & Headlight Dimmer Switch Connector
Terminal
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step.

3. CHECK MULTIPLEX TILT AND TELESCOPIC ECU (VC TERMINAL VOLTAGE)

a. Reconnect the J47 multiplex tilt and telescopic ECU connector.

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

Standard Voltage

STANDARD VOLTAGE SPECIFICATION TABLE

Fig. 18: Identifying J47 Multiplex Tilt & Telescopic ECU Connector

Tester Connection

Switch Condition Specified Condition

J47-4 (VC) - J47-3 (MSW) Ignition switch ON

4.9 to 5.1 V

2009 Toyota Tundra

2009 STEERING Steering Column - Tundra

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPLACE MULTIPLEX TILT AND TELESCOPIC ECU (See MULTIPLEX TILT AND
TELESCOPIC ECU (for Power Tilt and Power Telescopic Steering Column) )

OK: Go to next step.

4. INSPECT HEADLIGHT DIMMER SWITCH (TILT AND TELESCOPIC MANUAL SWITCH)

a. Disconnect the J10 headlight dimmer switch connector.

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

Standard Resistance

STANDARD RESISTANCE SPECIFICATION TABLE

Fig. 19: Identifying J10 Headlight Dimmer Switch Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPLACE HEADLIGHT DIMMER SWITCH (See HEADLIGHT DIMMER SWITCH )

OK: REPLACE MULTIPLEX TILT AND TELESCOPIC ECU (See MULTIPLEX TILT AND
TELESCOPIC ECU (for Power Tilt and Power Telescopic Steering Column) )

DTC B2610: TILT POSITION SENSOR OR TILT MOTOR CIRCUIT MALFUNCTION

DESCRIPTION

Tester Connection Switch Condition Specified Condition

8 (VC) - 10 (MSW)

Tilt up

342 to 378 ohms

Tilt down

1890.5 to 2089.5 ohms

Telescopic contract 750.5 to 829.5 ohms

Telescopic extend

152 to 168 ohms

2009 Toyota Tundra

2009 STEERING Steering Column - Tundra