Toyota Tundra. Manual — part 226

HINT:

Use these procedures to troubleshoot the rear seat entertainment system.

1. VEHICLE BROUGHT TO WORKSHOP

2. INSPECT BATTERY VOLTAGE

Standard voltage: 11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

3. BASIC INSPECTION

a. Turn the ignition switch ACC.

b. Check whether or not the display appears on the navigation receiver.

Result

RESULT

B: Go to step 6

A: Go to next step.

4. CHECK FOR DTC

a. Check for DTCs and note any codes that are output (see DTC CHECK/CLEAR ).

b. Clear for DTC.

c. Recheck for DTCs. Based on the DTC output in the first step, try to force output of the navigation

system DTC by simulating the operation indicated by the DTC.

HINT:



If the system cannot enter the diagnosis mode, inspect each AVC-LAN communication
signal and repair or replace problem parts.



Even if the malfunction symptom is not confirmed, check for DTCs. This is because the
system stores past DTCs.



Refer to the detailed description on the diagnostic screen, as necessary (see DIAGNOSIS
DISPLAY DETAILED DESCRIPTION ).



Check and clear past diagnostic trouble codes. Check the diagnostic trouble code and inspect
the area the code indicates.

Result

Result

Proceed to

Display appears

A

Display does not appear

B

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

RESULT

B: Go to step 7

A: Go to next step.

5. PROBLEM SYMPTOMS TABLE

Result

RESULT

B: Go to step 7

A: Go to next step.

6. OVERALL ANALYSIS AND TROUBLESHOOTING

a. Terminals of ECU (see TERMINALS OF ECU ).

7. ADJUST, REPAIR OR REPLACE

NEXT: END

PROBLEM SYMPTOMS TABLE

HINT:

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.

Display function

PROBLEM SYMPTOMS TABLE - DISPLAY FUNCTION

Result

Proceed to

DTC does not reoccur

A

DTC reoccurs

B

Result

Proceed to

Fault is not listed in problem symptoms table

A

Fault is listed in problem symptoms table

B

Symptom

Suspected Area

Refer To

Black screen (when a disc is
inserted, or when the system is in
the VTR mode).

Television display power source
circuit

TELEVISION DISPLAY

POWER SOURCE CIRCUIT

AVC-LAN circuits

AVC-LAN CIRCUIT

AVC-LAN circuit*2

AVC-LAN CIRCUIT

Replace television display

REMOVAL

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

Sound function

PROBLEM SYMPTOMS TABLE - SOUND FUNCTION

Only the DVD screen is not
displayed or not stable.

Television display power source
circuit

TELEVISION DISPLAY

POWER SOURCE CIRCUIT

Replace television display

REMOVAL

Only display screen input from an
external device is not displayed or
not stable.

Television display power source
circuit

TELEVISION DISPLAY

POWER SOURCE CIRCUIT

Display signal circuit between
video terminal and television
display

DISPLAY SIGNAL CIRCUIT

BETWEEN VIDEO

TERMINAL AND

TELEVISION DISPLAY

Replace video terminal*3

VIDEO TERMINAL (FOR

SEPARATE SEAT TYPE)

Replace video terminal*4

VIDEO TERMINAL (FOR

BENCH SEAT TYPE)

Replace television display

REMOVAL

Image displayed by television
display is not displayed by multi-
display*

Display signal circuit between
television display assembly and
navigation receiver assembly

DISPLAY SIGNAL CIRCUIT

BETWEEN TELEVISION

DISPLAY ASSEMBLY AND

NAVIGATION RECEIVER

ASSEMBLY

Replace navigation receiver*5

REMOVAL

Replace navigation receiver*6

REMOVAL

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

Television display power source
circuit

TELEVISION DISPLAY

POWER SOURCE CIRCUIT

Sound signal circuit between
television display assembly and
navigation receiver assembly*1

SOUND SIGNAL CIRCUIT

BETWEEN NAVIGATION

RECEIVER ASSEMBLY AND

TELEVISION DISPLAY

ASSEMBLY

Sound signal circuit between radio
receiver and television display

SOUND SIGNAL CIRCUIT

BETWEEN RADIO RECEIVER

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

Only DVD sound cannot be heard
or the sound quality is poor.

assembly*2

AND TELEVISION DISPLAY

ASSEMBLY

Replace television display

REMOVAL

Replace navigation receivers*1,
*5

REMOVAL

Replace navigation receiver*1, *6

REMOVAL

Replace radio receiver*2, *5

RADIO RECEIVER (FOR

FLOOR SHIFT TYPE)

Replace radio receiver*2, *6

RADIO RECEIVER (FOR

COLUMN SHIFT TYPE)

Only sound quality input from an
external device is poor or no
sound can be heard.

Television display power source
circuit

TELEVISION DISPLAY

POWER SOURCE CIRCUIT

Sound signal circuit between
video terminal and television
display

SOUND SIGNAL CIRCUIT

BETWEEN VIDEO

TERMINAL AND

TELEVISION DISPLAY

Replace video terminal*3

VIDEO TERMINAL (FOR

SEPARATE SEAT TYPE)

Replace video terminal*4

VIDEO TERMINAL (FOR

BENCH SEAT TYPE)

Replace television display

REMOVAL

Quality of sound from wireless
headphones is poor or no sound
can be heard.

Replace wireless headphone

-

Television display power source
circuit

TELEVISION DISPLAY

POWER SOURCE CIRCUIT

Replace television display

REMOVAL

Music played by television
display can be heard through
headphones but cannot be heard
from speakers.

Sound signal circuit between
navigation receiver assembly and
television display assembly*1

SOUND SIGNAL CIRCUIT

BETWEEN NAVIGATION

RECEIVER ASSEMBLY AND

TELEVISION DISPLAY

ASSEMBLY

Sound signal circuit between radio
receiver and television display
assembly*2

SOUND SIGNAL CIRCUIT

BETWEEN RADIO RECEIVER

AND TELEVISION DISPLAY

ASSEMBLY

Mute signal circuit between
navigation receiver assembly and
television display assembly*1

MUTE SIGNAL CIRCUIT

BETWEEN NAVIGATION

RECEIVER ASSEMBLY AND

TELEVISION DISPLAY

ASSEMBLY

Mute signal circuit between radio
receiver and television display
assembly*2

MUTE SIGNAL CIRCUIT

BETWEEN RADIO RECEIVER

AND TELEVISION DISPLAY

ASSEMBLY

Replace navigation receiver* 1, *5

REMOVAL

Replace navigation receiver*1, *6

REMOVAL

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra