LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1721 (Audio, Visual, Navigation & Telephone System) >> Navigation System >> CAN Communication Line Check >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

CAN Communication Line Check: Notes

WARNING: This page is about a different car, the 2006 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK MONITOR DESCRIPTION 
    1. Start display control unit self-diagnosis. Refer to , "SELF-DIAGNOSIS MODE (DCU) 
    2. Select "CAN DIAG SUPPORT MONITOR". Refer to , "CAN DIAG SUPPORT MONITOR "
      CAN COMMUNICATION ITEM CHART

      Item content Error counter
      Normal condition Error (Example)
      CAN_COMM 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
      Fig 1: Scan Tool Display - CAN DIAG Support Monitor
      G04177837Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Record each item display description (OK/NG/UKNWN) displayed on the following CAN DIAG SUPPORT MONITOR Check Sheet.