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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> External Pages >> Different car >> Section 614 (Audio, Visual, Navigation System) >> Base Audio >> Function Diagnosis >> Diagnosis System (Audio Unit) >> Diagnosis Description >> Key Check Diagnosis Function
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Key Check Diagnosis Function

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch ON.
  2. Turn the audio unit off.
  3. While pressing the "1" button, turn the volume control dial clockwise or counterclockwise for 30 clicks or more.
    Fig 1: Turning Volume Control Dial Clockwise Or Counterclockwise
    G05885652Courtesy of NISSAN MOTOR CO., U.S.A.
  4. The diagnosis default screen of audio display unit is displayed.
    NOTE: Diagnosis default screen = All icons and segments of the audio display unit are turned on.
  5. Turning the TUNE/FOLDER dial counterclockwise displays the key check mode, and the pressed switch name is shown. Pressing and holding the AUDIO switch during the key check mode returns to the diagnosis default screen.

    Key check item (audio unit)

    KEY CHECK ITEM (AUDIO UNIT)

    Mode Display item Switch name
    Key check 1 Preset button "1" switch
    2 Preset button "2" switch
    3 Preset button "3" switch
    4 Preset button "4" switch
    5 Preset button "5" switch
    6 Preset button "6" switch
    POWER ON-OFF switch
    VOLUME up VOL up switch
    VOLUME down VOL down switch
    AM.FM AM-FM switch
    DISC DISC switch
    AUX AUX switch
    AUDIO AUDIO switch
    TUNE/FOLDER up TUNE/FOLDER up switch
    TUNE/FOLDER down TUNE/FOLDER up switch
    DISP CLOCK DISP CLOCK switch
    SCAN SCAN switch
    RPT/RDM RPT RDM switch
    SEEK/TRACK up SEEK CAT switch
    SEEK/TRACK down TRACK switch
    LOAD LOAD switch
    EJECT EJECT switch

    Key check item (steering switch)

    KEY CHECK ITEM (STEERING SWITCH)

    Mode Display item Switch name
    Key check STR SOURCE SOURCE switch
    STR VOL UP VOL up switch
    STR VOL DOWN VOL down switch
    STR UP MENU up switch
    STR DOWN MENU down switch
    STR TEL END(1) switch
    STR TEL SEND(1) switch
    (1) with Bluetooth.
  6. Self-diagnosis mode is canceled when the ignition switch is turned OFF.