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 > Vehicle Stability Control System: Brake Pedal Load Sensing Switch OFF Stuck Malfunction (C1430,C1431)
    DESCRIPTION The brake pedal load sensing switch turns on when the brake pedal is depressed with a force exceeding a predetermined level. The skid control ECU uses this circuit to detect if the brake pedal is depressed or not. DTC No. Detection Item DTC Detection Condition Trouble Area C1430 Brake Pe ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0118