Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Voice is not Recognized

PROCEDURE

1.

CHECK CONDITION

(a) While paying attention to the condition of the spoken voice command, perform a voice recognition operation.

OK:

Voice command is recognized normally.

HINT:

  • When the voice command is recognized, the content of the voice command is displayed in the voice recognition result display area to the right of the mic icon.*1
  • When the voice recognition prompt function is set to "On" and a voice command is recognized normally, the same voice command is repeated by the voice guidance function.*2
  • If an unnecessary word (such as "um" or "ah") is spoken before or after the recognition word, the system incorrectly recognizes the recognition word.
  • The system cannot recognize voice commands when multiple people are speaking simultaneously.
  • If the speaking speed is too fast or too slow, the recognition rate may decrease.
  • The system may have difficulty recognizing voice commands depending on the voice quality (such as a hoarse voice due to poor physical condition).
    • *1: w/ Voice Recognition Result Display Function
    • *2: w/o Voice Recognition Result Display Function
OK

END (VOICE RECOGNITION MAY BE DIFFICULT DUE TO SPEECH CONDITION)

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Voice Guidance does not Function
    WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. ...

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