Toyota Tundra. Manual — part 501

RADIO BROADCAST CANNOT BE RECEIVED OR POOR RECEPTION

INSPECTION PROCEDURE

1. CHECK NAVIGATION RECEIVER

a. Check the radio's automatic station search function.

1. Check the radio's automatic station search function by activating it.

OK: The radio's automatic station search function works properly.

Result

NAVIGATION RECEIVER RESULT CHART

B: REPLACE NAVIGATION RECEIVER (see REMOVAL (For Column Shift Type) )

C: Go to step 2

A: REPLACE NAVIGATION RECEIVER (see REMOVAL (For Floor Shift Type) )

2. CHECK OPTIONAL COMPONENTS

a. Check optional components (sun-shade film, telephone antenna, etc.).

1. Check if any optional components, such as a sunshade film or telephone antenna that may

decrease reception capacity, are installed.

OK: Optional components are installed.

NG: Go to step 3

OK: REMOVE AND RECHECK OPTIONAL COMPONENTS (SEE NOTE ABOVE)

3. CHECK NAVIGATION RECEIVER

a. Preparation for check

1. Remove the antenna plug from the navigation receiver.

Result

Proceed to

OK (for Column Shift Type)

A

OK (for Floor Shift Type)

B

NG

C

NOTE:

Do not remove any optional components installed by the
customer without his or her consent.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

Fig. 122: Removing Antenna Plug From Radio And Navigation Assembly
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Check for noise

1. Turn the ignition switch ACC with the navigation receiver connector connected.

2. Turn the radio on and enter AM mode.

3. Place a screwdriver, thin wire, or other metal object on the navigation receiver's antenna jack

and check that noise can be heard from the speaker.

OK: Noise occurs.

NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS
TABLE

OK: Go to Next Step

4. REPLACE POLE ANTENNA

a. Replace the antenna (see REMOVAL ) and check that it operates normally.

OK: The antenna operates normally.

NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS
TABLE

OK: END

NO IMAGE APPEARS ON MULTI-DISPLAY

INSPECTION PROCEDURE

1. CHECK DISPLAY SETTING

a. Check that the display is not in "Screen OFF" mode.

OK: The display setting is not in "Screen OFF" mode.

NG: CHANGE SCREEN TO "SCREEN ON" MODE

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

OK: Go to Next Step

2. CHECK IMAGE QUALITY SETTING

a. Check that the screen color quality can be set.

OK: Setting is possible.

NG: Go to step 3

OK: PRESS PANEL SWITCH "DISPLAY" AND SET SCREEN COLOR QUALITY TO
NORMAL

3. CHECK CABIN

a. Check that condensation is not likely to occur in the cabin, and that the temperature is not high or

extremely low in the cabin.

HINT:



A humid cabin and a rapid change in temperature may lead to condensation. Condensation in
the cabin may short circuit the screen.



The appropriate cabin temperature is 20 to 30°C (68 to 86°F).

OK: Condensation is not likely and temperature is not high or extremely low.

NG: SET CABIN TO APPROPRIATE TEMPERATURE

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS
TABLE

ILLUMINATION FOR PANEL SWITCH DOES NOT COME ON WITH TAIL SWITCH ON

INSPECTION PROCEDURE

1. CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE)

a. Enter the "Display Check" mode (Vehicle Signal Check Mode) (see DISPLAY CHECK MODE ).

b. Check that the display changes between ON and OFF according to the light control switch

operation.

OK

LIGHT CONTROL SWITCH SPECIFICATION

Light Control Switch Display

TAIL or ON

ON

OFF

OFF

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

Fig. 123: Diagnostic Menu Screen Display - Vehicle Signal Check Mode
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

HINT:

This display is updated once per second. As a result, it is normal for the display to lag behind the
actual change in the switch.

Result

LIGHT CONTROL RESULT CHART

B: REPLACE NAVIGATION RECEIVER (see REMOVAL (For Floor Shift Type) )

C: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

A: REPLACE NAVIGATION RECEIVER (see REMOVAL (For Column Shift Type) )

DISPLAY DOES NOT DIM WHEN LIGHT CONTROL SWITCH IS TURNED ON

INSPECTION PROCEDURE

1. CHECK IMAGE QUALITY SETTING

a. Enter the display adjustment screen by pressing the "DISP" switch.

Result

Proceed to

OK (for Column Shift Type)

A

OK (for Floor Shift Type)

B

NG

C

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra