Toyota Tundra. Manual — part 561

Fig. 353: Diagnostic Menu Screen Display - Color Bar Check Mode
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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

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

A: Go to Next Step

4. CHECK NAVI COLOR BAR (NAVIGATION CHECK MODE)

a. Enter the "Navigation Check" mode (NAVI Color Bar Check) (see NAVIGATION CHECK

MODE ).

b. Check that the color bars match the displayed names.

OK: Color bars match the displayed names.

Result

NAVI COLOR BAR (NAVIGATION CHECK MODE) RESULT CHART

Result

Proceed to

OK

A

NG (for Column Shift Type)

B

NG (for Floor Shift Type)

C

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

Fig. 354: Diagnostic Menu Screen Display - NAVI Color Bar Check
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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

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

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

POOR SOUND QUALITY IN ALL MODES (LOW VOLUME)

INSPECTION PROCEDURE

1. ADJUST SOUND QUALITY

a. Operate the navigation receiver to adjust the sound quality.

OK: Sound quality returns to normal.

NG: Go to step 2

OK: SYSTEM IS OK (BAD SOUND QUALITY)

2. COMPARE VEHICLE WITH ANOTHER VEHICLE OF SAME MODEL

a. Compare the vehicle with another vehicle that has a normally functioning audio system. Check if

there is any difference in the problem.

OK: No difference is found.

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

OK: SYSTEM IS OK (BAD SOUND QUALITY)

MAP DISC CANNOT BE INSERTED

INSPECTION PROCEDURE

1. CHECK NAVIGATION RECEIVER

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

a. Check if "DISC IN" is displayed.

OK: "DISC IN" is displayed.

Fig. 355: Radio Display - DISC IN
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: EJECT DISC

OK: Go to Next Step

2. CHECK MAP DISC

a. Check that the map disc is not deformed or cracked.

Fig. 356: Checking Map Disc For Deformed Or Cracked
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

OK: No deformations or cracks on the map disc.

NG: REPLACE MAP DISC

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

MAP DISC CANNOT BE EJECTED

INSPECTION PROCEDURE

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

1. CHECK NAVIGATION RECEIVER

a. Turn the ignition switch ACC.

b. Keep pressing the MAP eject switch for 5 seconds and check if the disc is ejected by forced

ejection.

OK: The disc is ejected.

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

OK: Go to Next Step

2. CHECK MAP DISC

a. Check that the map disc is not deformed or cracked.

Fig. 357: Checking Disc For Deformed Or Cracked
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

OK: No deformations or cracks on the map disc.

NG: REPLACE MAP DISC

OK: END

VEHICLE POSITION MARK DEVIATES GREATLY

INSPECTION PROCEDURE

1. CHECK GPS MARK

a. Check that the GPS mark is displayed.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra