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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation >> NAVIGATION SYSTEM (for HDD) >> Voice Recognition Difficulty >> Inspection Procedure

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. 

    NG: SYSTEM'S VOICE RECOGNITION LEVEL VARIES DEPENDING ON VOICE AND PRONUNCIATION. THIS IS NOT A MALFUNCTION. 

    OK: GO TO NEXT STEP 

  2. CHECK MICROPHONE (NAVIGATION CHECK MODE) 
    1. Enter the "MICROPHONE & VOICE RECOGNITION CHECK" mode (see NAVIGATION CHECK MODE  ).
      Fig 1: Identifying Recording Switch, Stop Switch, Play Switch And Microphone Input Level Meter
      G04945494Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. When a 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:

      The recording limit is 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. 

    NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE   ) 

    OK: END