LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Voice Activated Control System >> Voice Activated Control System >> Voice Command Not Identified (With Voice Activated Control System In Operation)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Voice Command Not Identified (With Voice Activated Control System In Operation)

  1. Check Microphone Operation 
    • Select Voice Mic. Test of CONFIRMATION/ADJUSTMENT mode. Refer to CONFIRMATION/ADJUSTMENT MODE  .
    • Speak to microphone, and check if the sound is heard from (right) instrument speaker.

    OK or NG 

    1. OK: Replace voice activated control module.
    2. NG: GO to 2.

  2. Check Microphone Circuit 
    1. Disconnect voice activated control module connector and microphone connector.
    2. Check the following:
      • Continuity between voice activated control module harness connector B69 terminal 33 (L) and microphone connector R10 terminal 5 (L).
        Fig 1: Checking Microphone Circuit
        G02340825Courtesy of NISSAN MOTOR CO., U.S.A.
        1. Continuity should exist  .
      • Continuity between voice activated control module harness connector B69 terminal 34 (R) and microphone harness connector R10 terminal 4 (R). See Fig 1 .
        1. Continuity should exist  .
      • Continuity between voice activated control module harness connector B69 terminal 33 (L), 34 (R) and ground. See Fig 1 .
        1. Continuity should not exist  .

    OK or NG 

    1. OK: GO to 3.
    2. NG: Repair harness or connector.

  3. Check Microphone Signal 
    1. Connect voice activated control module connector and microphone connector.
    2. Turn ignition switch ON.
    3. Speak to microphone and check signal between voice activated control module connector B69 terminal 34 (R) and 33 (L) with CONSULT-II or oscilloscope.
      Fig 2: Checking Microphone Signal
      G02340826Courtesy of NISSAN MOTOR CO., U.S.A.
      1. 34-33: Refer to  TERMINALS AND REFERENCE VALUES FOR VOICE ACTIVATED CONTROL MODULE   .

    OK or NG 

    1. OK: Replace voice activated control module.
    2. NG: Replace microphone.