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Pinpoint Test Q: NO VOICE RECOGNITION

WARNING: This page is about a different car, the 2006 Land Rover Range Rover Sport. However, it is still accessible from the selected car via links, so may be relevant.
  1. MAP DISC CHECK 

    Check to see if the map disc is inserted.

    Is the map disc inserted? 

    YES:  Go to step  2.

    NO:  Insert the map disc.

  2. AUDIO SOUND IS MUTED WHEN PTT SWITCH IS DEPRESSED 

    Check to see if the audio sound is muted when the PTT switch is depressed.

    Is the audio sound muted? 

    YES:  Go to step  4.

    NO:  Go to step  3.

  3. PTT SWITCH STATUS 

    Check to see if the PTT switch status is ok in the navigation diagnostics, manual check, microphone test.

    Is the PTT switch status, in navigation diagnostics, ok? 

    YES:  Check the Integrated Head Unit (IHU).

    NO:  Install a new Integrated Head Unit (IHU), or Ignition Gateway Module.

  4. TALK BACK 

    Check to see if there is talk back when other voice recognition demands are executed.

    Is there talk back? 

    YES:  System operation is normal, (advise change in manner of speech, as incorrect recognition is occurring).

    NO:  Go to step  5.

  5. MICROPHONE TEST 

    Check to see if the microphone level changes when speaking into the microphone during test in navigation diagnostics, manual checks, microphone test.

    Does the microphone level change when talking after pressing the PTT switch? 

    YES:  System operation is normal, (advise change in manner of speech, as incorrect recognition is occurring).

    NO:  Refer to the electrical circuit diagrams and check integrity of microphone circuit Go to step  6.. If no fault is evident, suspect the microphone, check and install a new microphone as required.

  6. HARNESS/CONNECTOR CHECKS 

    Refer to the electrical circuit diagrams and check integrity of navigation module to display screen harness and connections.

    Has a fault been identified with the navigation module to display screen harness or connections? 

    YES:  Rectify the fault and re-test the vehicle.

    NO:  Install a new navigation module. module