Toyota Tundra Service Manual: Voice is not Recognized

PROCEDURE

1.

CHECK CONDITION

(a) Check if the system voice recognition success rate is low when recognizing a particular voice.

Result

Result

Proceed to

System voice recognition success rate is low with any voice

A

System voice recognition success rate is low only for a particular voice

B

HINT:

  • System voice recognition success rate varies depending on voice and pronunciation. This is not a malfunction.
  • When the voice recognition training function is enabled via the vehicle settings, it becomes easier to recognize the particular voice of a user.
B

CONFIRM VEHICLE SETTINGS (TRAIN VOICE RECOGNITION)

A

2.

CHECK MICROPHONE AND VOICE RECOGNITION (OPERATION CHECK)

(a) Enter the "Microphone Check" screen. [Refer to Check Mic&Voice Recognition in Operation Check (See page )]

(b) When voice is input into the microphone, check that the microphone input level meter changes according to the input voice.

(c) Push the recording switch and perform voice recording.

  • Select the recording switch with the blower motor of the air conditioning system stopped. If an outlet of the air conditioning system is facing the microphone, noise may be recorded.
  • Voice can be recorded for up to 5 seconds.

(d) Check that the recording indicator remains on while recording and that the recorded voice is played normally without noise or distortion.

OK:

All check results are normal.

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

    Voice Guidance does not Function

    Park Assist / Monitoring

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