LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Land Rover >> 2012 >> LR4 HSE Lux >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Information And Entertainment System - General Information >> Information And Entertainment System - General Information >> Diagnostic Procedures >> Navigation System >> Pinpoint Tests >> Pinpoint Test D : The audio screen cannot be operated (does not display.)

Pinpoint Test D : The audio screen cannot be operated (does not display.)

  1. D1: CD CHANGER CHECK 

    Check to see if a CD changer is installed.

    Is a CD changer installed? 

    YES:  Proceed to the next step.

    NO:  Normal operation, CD screen will not be displayed when there is no CD changer installed.

  2. D2: The audio screen displays when the "AUDIO VIDEO" hard switch is pressed. 

    The audio screen displays when the "AUDIO VIDEO" hard switch is pressed.

    Does the audio screen displays when the "AUDIO VIDEO" hard switch is pressed? 

    YES:  Proceed to the next step.

    NO:  Refer to the hard switches do not respond diagnosis.

  3. D3: The audio screen displays when "Audio Video" on the "Home Menu" is pressed. 

    The audio screen displays when "Audio Video" on the "Home Menu" is pressed.

    Does the audio screen displays when "Audio Video" on the "Home Menu" is pressed? 

    YES:  Proceed to the next step.

    NO:  Refer to the touch switches do not respond diagnosis.

  4. D4: Each switch (AM FM, CD, iPod/USB, TV/DVD.) on the audio screen responds. 

    Each switch (AM FM, CD, iPod/USB, TV/DVD.) on the audio screen responds.

    Does each switch (AM FM, CD, iPod/USB, TV/DVD.) on the audio screen respond? 

    YES:  Carry out MOST Ring diagnostics to locate fault.

    NO:  Go to step  5.

  5. D5: The ignition is turned from Ignition ON to OFF, and after waiting for approximately 30 seconds, the Touch Screen Display (TSD) power supply LED went out. When the ignition is turned to ON, the audio screen can be operated. 

    The ignition is turned from Ignition ON to OFF, and after waiting for approximately 30 seconds, the Touch Screen Display (TSD) power supply LED went out.

    When the ignition is turned to ON, can the audio screen be operated? 

    YES:  Operation is normal.

    NO:  Carry out MOST Ring diagnostics to locate fault.