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.

CHANGE VOICE GUIDANCE SETTINGS TO ON

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

REPLACE NAVIGATION RECEIVER ASSEMBLY

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

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