Toyota Tundra Service Manual: Voice Guidance does not Function

Toyota Tundra Service Manual / Audio, Visual, Telematics / Navigation / Multi Info Display / Navigation System / Voice Guidance does not Function

PROCEDURE

1.

CHECK VOICE GUIDANCE SETTING

(a) Check that the voice guidance settings are not off.

OK:

Voice guidance settings are not off.

NG

CHANGE VOICE GUIDANCE SETTINGS TO ON
OK

2.

CHECK AUDIO FUNCTION

(a) Check that sound can be heard from a front speaker.

OK:

Sound can be heard.

Result

Result

Proceed to

OK (for Column Shift Type)

A

OK (for Floor Shift Type)

B

NG

C
A

REPLACE NAVIGATION RECEIVER ASSEMBLY

B

REPLACE NAVIGATION RECEIVER ASSEMBLY

C

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter

    Voice is not Recognized

    See More:

    Toyota Tundra Service Manual > Air Switching Valve(for Bank 1): Installation
    INSTALLATION PROCEDURE 1. INSTALL AIR SWITCHING VALVE ASSEMBLY (a) Install a new gasket and the air switching valve assembly with the 3 bolts. Torque: 24 N·m {245 kgf·cm, 18 ft·lbf} Text in Illustration *1 Air Switching Valve Assembly *2 No. 4 Air Tube *a Claw NOTICE: Make sure the gasket's claws ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.03