Example of Filling in Check Sheet When Initial Conditions Are Reproduced

Fig 1: Putting Check Mark To No Indication In Check Sheet

Courtesy of NISSAN MOTOR CO., U.S.A.

1. Put a check mark to "No indication" if some of unit names listed on the column of diagnosis system selection screen of a check sheet table are not displayed on "SELECT SYSTEM" screen attached to the check sheet.
   NOTE: Put a check mark to "No indication" of IPDM E/R because IPDM E/R is not displayed on "SELECT SYSTEM" screen.
2. Confirm the unit name that "UNKWN" is displayed from the copy of "CAN DIAG SUPPORT MNTR" screen of "ENGINE" attached to the check sheet, and then put a check mark to the check sheet table.
   NOTE: In "CAN DIAG SUPPORT MNTR" screen, "UNKWN" is displayed on "VDC/TCS/ABS", "ICC", "IPDM E/R" and "AWD/4WD/e4WD". But put a check mark to "VDC/TCS/ABS" and "IPDM E/R" because "UNKWN" is listed on the column of reception diagnosis of the check sheet table.
3. Confirm the unit name that "UNKWN" is displayed on the copy of "CAN DIAG SUPPORT MNTR" screen of "TRANSMISSION" as well as "ENGINE". And then, put a check mark to the check sheet table.
   NOTE:

   • For "TRANSMISSION", "UNKWN" is displayed on "VDC/TCS/ABS". Put a check mark to it.
     Fig 2: Putting Check Mark To UNKWN In Check Sheet

     Courtesy of NISSAN MOTOR CO., U.S.A.
4. Display control unit reads the CAN diagnosis support monitor check sheet (B) "CAN COMMUNICATION LINE CHECK " transferred from the LCD monitor screen (A). The transferred CAN diagnosis support monitor check sheet is copied to the Check sheet, and conversed according to the Display control unit Translation Sheet. And then put a check mark to the check sheet table.
   NOTE: In the CAN diagnosis support monitor check sheet (B), check marks are put to "CAN CIRC 4", "CAN CIRC 6", "CAN CIRC 7", "CAN CIRC 8" and "CAN CIRC 9". But, in the column of the check sheet table indication in Display control unit Translation Sheet (C), "IPDM E/R" is listed only for "CAN CIRC 7". Therefore, put a check mark to "IPDM E/R" because "UNKWN" is listed on the column of reception diagnosis of the check sheet table.
   Fig 3: Putting Check Mark To IPDM E/R Of UNKWN In Check Sheet

   Courtesy of NISSAN MOTOR CO., U.S.A.
5. Confirm the unit name that "UNKWN" is displayed on the copy of "CAN DIAG SUPPORT MNTR" screen of "BCM" and "ABS" as well as "ENGINE". And then , put a check mark to the check sheet table.
   NOTE:

   • For "BCM", "UNKWN" is displayed on "IPDM E/R". Put a check mark to it.
   • For "ABS", "UNKWN" is displayed on "ECM" and "TCM". Put a check mark to it.
   Fig 4: Putting Check Mark To Check Sheet Table

   Courtesy of NISSAN MOTOR CO., U.S.A.
   NOTE: There is a check mark in VDC/TCS/ABS of "A/T" in "The arranged results of CAN diagnosis support monitor" sheet. Also, there is a mark of "-" both in VDC/TCS/ABS of "A/T" in "The check sheet results (example). Therefore, neglect a check mark both in VDC/TCS/ABS of "A/T" in "The arranged results of CAN diagnosis support monitor" sheet.
6. Perform system diagnosis for possible causes identified.
7. Perform diagnosis again after inspection and repair. Make sure that repair is completely performed, and then end the procedure.

Start CAN system trouble diagnosis if this procedure can be confirmed. "CAN COMMUNICATION UNIT  "