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Toyota Sienna Service Manual: Voice Recognition Difficulty

INSPECTION PROCEDURE

1 CHECK CONDITION

  1. Check if the system's voice recognition level is low by using only one particular voice.

OK: System's voice recognition level is low with any voice.

2 CHECK MAP DISC

CHECK MAP DISC

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

OK: No deformations or cracks on map disc.

3 CHECK MAP DISC

CHECK MAP DISC

  1. Check for dirt on the map disc surface.

OK: No dirt is on map disc surface.

NOTICE: Do not use a conventional record cleaner or antistatic preservative.

HINT: If the disc is dirty, clean the disc by wiping the disc's surface radially with a soft cloth.

4 CHECK MICROPHONE (NAVIGATION CHECK MODE)

CHECK MICROPHONE (NAVIGATION CHECK MODE)

  1. Enter the "MICROPHONE & VOICE RECOGNITION CHECK" mode.
  2.  When voice is input into the microphone, check that the microphone input level meter changes according to the input voice.
  3.  Push the recording switch and perform voice recording.

    HINT: Voice can be recorded up to 5 seconds.

  4.  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.

END

Route cannot be Calculated
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Voice is not Recognized
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Other materials:

Removal
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Problem symptoms table
HINT: Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace p ...

Inspection
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