WARNING: This page is about a different car, the 2003 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

CHECK MONITOR DESCRIPTION

Start display control unit self-diagnosis. Refer to "SELF-DIAGNOSIS MODE (DCU) ".

Select "CAN DIAG SUPPORT MONITOR". Refer to "CAN DIAG SUPPORT MONITOR ".

DISPLAY CONTROL UNIT SELF-DIAGNOSIS CHART

Item	Content		Error counter (Reference value)
Item	Normal condition	Error (Example)	Error counter (Reference value)
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

Fig 1: Displaying "CAN DIAG SUPPORT MONITOR" Screen

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

Record each item display description (OK/NG/UKNWN) displayed on the following CAN DIAG SUPPORT MONITOR Check Sheet.
CAN DIAG SUPPORT MONITOR Check Sheet

CAN DIAG SUPPORT MONITOR CHECK SHEET

Diagnosis item	Screen display		Diagnosis item	Screen display
CANCOMM	OK	NG	CAN_CIRC_5	OK	UNKWN
CAN_CIRC_1	OK	UNKWN	CAN_CIRC_6	OK	UNKWN
CAN_CIRC_2	OK	UNKWN	CAN_CIRC_7	OK	UNKWN
CAN_CIRC_3	OK	UNKWN	CAN_CIRC_8	OK	UNKWN
CAN_CIRC_4	OK	UNKWN	CAN_CIRC_9	OK	UNKWN

: After filling in CAN DIAG SUPPORT MONITOR Check Sheet, GO TO PRECAUTIONS WHEN USING CONSULT-II .

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

CAN Communication Line Check

Use the Manual With the Right Hardware

When to See a Mechanic

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