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Toyota Sienna Service Manual: Voice is not Recognized

INSPECTION PROCEDURE

1 CHECK NAVIGATION SETTINGS

CHECK NAVIGATION SETTINGS

  1. Enter the "Menu" screen by pressing the "MENU" switch.
  2.  Select "Setup

CHECK NAVIGATION SETTINGS

  1. Check that "Voice Recognition Guidance" is not OFF.

OK: Voice Recognition Guidance is not OFF.

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 the 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.

REPLACE RADIO AND NAVIGATION ASSEMBLY

Voice Recognition Difficulty
INSPECTION PROCEDURE 1 CHECK CONDITION 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. ...

Cellular Phone Registration Failure, Phone Directory Transfer Failure
INSPECTION PROCEDURE 1 CHECK CURRENT CONDITIONS Proceed to the next step according to the table below. RESULT 2 CHECK USING ANOTHER CELLULAR PHONE Check if the system functions using an ...

Other materials:

Check for short circuit
(a) If the wire harness is ground shorted (Fig. 5), locate the section by conducting a resistance check with the body ground (below).   (b) Check the resistance with the body ground. (1) Disconnect connectors A and C and measure the resistance. Standard resistance (Fig. 6) HIN ...

Rear wiper rubber
COMPONENTS REMOVAL 1. REMOVE REAR WIPER BLADE ASSEMBLY  Remove the rear wiper arm head cap from the rear wiper arm.  Raise the rear wiper blade to the position as shown in the illustration where the meshing of the claw is disengaged with the click sound. NOTICE: ...

Inspection
1. Inspect starter assembly NOTICE: These tests must be performed within 3 to 5 seconds to avoid burning out the coil. (a) Perform the pull-in test. (1) Disconnect the lead wire from terminal C. (2) Connect the battery to the magnetic switch as shown in the illustratio ...

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