Operation Procedure

WARNING: This page is about a different car, the 2008 Infiniti FX45 and 2008 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

Start the engine.
Turn the audio system OFF.
While pressing the "4" 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: Locating Back Button
Courtesy of NISSAN MOTOR CO., U.S.A.
- Shifting from current screen to previous screen is performed by pressing "BACK" button.
The initial trouble 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: Initial Trouble Diagnosis Screen Display - CAN DIAG SUPPORT MONITOR

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

Select "CAN DIAG SUPPORT MONITOR".
The transmitting/receiving of CAN communication can be monitored.

Fig 3: Displaying Self-Diagnosis Screen - CAN DIAG SUPPORT MONITOR

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

ERROR ITEM REFERENCE CHART

Item	Content	Error counter (Reference value)
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

NOTE: Counter shows the status of CAN communication.