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Home >> Infiniti >> 2004 >> QX56 AWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation System >> Navigation System >> Confirmation/Adjustment Mode >> Can Diag Support Monitor >> Operation Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Operation Procedure

  1. Start the engine.
  2. Turn the audio system off.
  3. While pressing the "PAUSE/MUTE" button, turn the volume control dial clockwise or counterclockwise for 30 clicks or more. (When the self-diagnosis mode is started, a short beep will be heard.)
    Fig 1: Turning Volume Control Dial Clockwise/Counterclockwise After Pressing PAUSE/MUTE Button
    G02406723Courtesy of NISSAN MOTOR CO., U.S.A.
    • Shifting from current screen to previous screen is performed by pressing "PREV" button.
  4. The initial self-diagnosis screen will be shown, and items "Self-Diagnosis (DCU)", "Self-Diagnosis (NAVI)", "Confirmation/Adjustment" and "CAN DIAG SUPPORT MONITOR" will become selective.
    Fig 2: Display Self-Diagnosis Screen
    G02406741Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Select "CAN DIAG SUPPORT MONITOR".
  6. Display status of CAN communication.
    Fig 3: Displaying Status Of CAN Communication
    G02406742Courtesy of NISSAN MOTOR CO., U.S.A.
    CAN COMMUNICATION STATUS

    Item Content Error counter
    CANCOMM OK/NG 0-50
    CAN_CIRC_1 OK/UNKWN 0-50
    CAN_CIRC_2 OK/UNKWN 0-50
    CAN_CIRC_3 OK/UNKWN 0-50
    CAN_CIRC_4 OK/UNKWN 0-50
    CAN_CIRC_5 OK/UNKWN 0-50
    CAN_CIRC_6 OK/UNKWN 0-50
    CAN_CIRC_7 OK/UNKWN 0-50
    CAN_CIRC_8 OK/UNKWN 0-50
    CAN_CIRC_9 OK/UNKWN 0-50
    • If the ignition is turned on and UNKWN is shown on the screen, the value of the counter will be up. (MAX50)
    • The value of the counter does not change if the ignition changes to OFF. (MAX50)
    • If the counter shows the value of 50 and UNKWN is shown, the value of 50 will not be changed.
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