Toyota Tundra. Manual — part 227

Remote control function

PROBLEM SYMPTOMS TABLE - REMOTE CONTROL FUNCTION

TERMINALS OF ECU

1. CHECK TELEVISION DISPLAY

Replace radio receiver*2, *5

RADIO RECEIVER (FOR

FLOOR SHIFT TYPE)

Replace radio receiver*2, *6

RADIO RECEIVER (FOR

COLUMN SHIFT TYPE)

Replace television display

REMOVAL

HINT:



*1: w/ Navigation System



*2: w/o Navigation System



*3: for Separate Seat Type



*4: for Bench Seat Type



*5: for Floor Shift Type



*6: for Column Shift Type

Symptom

Suspected Area

Refer To

A remote control system does not
operate.

Proceed to "A Remote Control
System does not Operate"

A REMOTE CONTROL

SYSTEM DOES NOT

OPERATE

Television display power source
circuit

TELEVISION DISPLAY

POWER SOURCE CIRCUIT

AVC-LAN circuits

AVC-LAN CIRCUIT

AVC-LAN circuit*2

AVC-LAN CIRCUIT

Replace remote controller

-

Replace television display

REMOVAL

HINT:



*1: w/ Navigation System



*2: w/o Navigation System

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

Fig. 260: Identifying W2 Display Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

a. Disconnect the W2 display connector.

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

RESISTANCE AND VOLTAGE SPECIFICATION

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

c. Reconnect W2 display connector.

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

VOLTAGE SPECIFICATION

Terminal No.

(Symbols)

Wiring Color

Terminal

Description

Condition

Specified

Condition

W2-12 (GND) - Body

ground

W-B - Body

ground

Ground

Always

Below 1 ohms

W2-15 (ACC) - W2-12

(GND)

GR - W-B

ACC power supply

Ignition switch

OFF

Below 1 V

W2-15 (ACC) - W2-12

(GND)

GR - W-B

ACC power supply

Ignition switch

ACC

11 to 14 V

W2-16 (+B) - W2-12

(GND)

L - W-B

Battery

Always

11 to 14 V

Terminal No.

(Symbols)

Wiring

Color

Terminal

Description

Condition

Specified Condition

W2-6 (W+) -

W2-12 (GND)

BR - W-B

Display signal

(input)

External device is

playing, VTR is

displayed

Pulse generation

W2-22 (W-) -

W2-12 (GND)

Y - W-B

Ground

Always

Below 1 V

W2-7 (R1+) -

W2-12 (GND)

G - W-B

Right channel sound

signal (input)

Disc player is playing

Waveform

synchronized with

sound is output

W2-8 (L1+) -

W2-12 (GND)

R - W-B

Left channel sound

signal (input)

Disc player is playing

Waveform

synchronized with

sound is output

W2-9 (SLD) -

W2-12 (GND)*

Shielded -

W-B

Shielded

Always

Below 1 V

W2-10 (SGN1) -

W2-12 (GND)*

Y - W-B

Shielded

Always

Below 1 V

W2-11 (NTSO) -

W2-12 (GND)*

BR - W-B

Display signal

(output)

DVD displayed on

television display

See WAVEFORM

W2-13 (TX-) -

B - W-B

AVC-LAN

communication

Ignition switch ACC

2 to 3 V

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

If the result is not specified, the display may have a malfunction.

e. Using an oscilloscope, check the waveform.

Waveform (reference)

WAVEFORM REFERENCE

W2-12 (GND)

signal

W2-14 (TX+) -

W2-12 (GND)

LG - W-B

AVC-LAN

communication

signal

Ignition switch ACC

2 to 3 V

W2-23 (SGND) -

W2-12 (GND)

Shielded -

W-B

Shielded

Always

Below 1 V

W2-24 (ADPG) -

W2-12 (GND)

SB - W-B

Video terminal

ground

Always

Below 1 V

W2-25 (SGN2) -

W2-12 (GND)

Shielded -

W-B

Shielded

Always

Below 1 V

W2-26 (MUTE)

- W2-12 (GND)

O - W-B

Mute signal

Television display is

playing --> Changing

modes

3.5 V or higher -->

Below 1 V

W2-27 (SLD9) -

W2-12 (GND)

Shielded -

W-B

Shielded

Always

Below 1 V

W2-28 (R+) -

W2-12 (GND)

B - W-B

Right channel sound

signal (output)

Disc player is playing

Waveform

synchronized with

sound is output

W2-29 (R-) -

W2-12 (GND)

G - W-B

Right channel sound

signal (output)

Disc player is playing

Waveform

synchronized with

sound is output

W2-30 (L+) -

W2-12 (GND)

R - W-B

Left channel sound

signal (output)

Disc player is playing

Waveform

synchronized with

sound is output

W2-31 (L-) -

W2-12 (GND)

W - W-B

Left channel sound

signal (output)

Disc player is playing

Waveform

synchronized with

sound is output

HINT:
*: w/ Navigation System

Item

Content

Terminal No. (Symbols)

W2-11 (NTSC) - W2-12 (GND)

Tool Setting

0.2 V/DIV., 10 µs/DIV.

Condition

DVD displayed on television display

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

Fig. 261: Identifying Waveform
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2. CHECK NAVIGATION RECEIVER (w/ Navigation System) (See TERMINALS OF ECU )

3. CHECK RADIO RECEIVER (w/o Navigation System) (see TERMINALS OF ECU )

A REMOTE CONTROL SYSTEM DOES NOT OPERATE

INSPECTION PROCEDURE

1. CHECK SYSTEM

a. Check that the remote control operation of the rear system is not locked by the radio receiver or the

radio and navigation assembly.

1. Check if "Rear System Locked" appears on the television display.

OK: The message does not appear.

NG: RELEASE LOCK

Fig. 262: Displaying Television Screen - Rear System Locked
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

OK: Go to next step.

2. CHECK REMOTE CONTROLLER (BATTERY)

a. Check that the dry-cell battery of the remote controller is not depleted.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra