CAN Communication Line Check

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Check Monitor Description

Start display unit self-diagnosis. Refer to "Self-Diagnosis Mode "

Select "CAN DIAG MNTR". Refer to "CAN DIAG MNTR (CAN DIAG Monitor) ".

DIAGNOSE ITEM

Diagnosis item	Data monitor display description
Diagnosis item	Normal condition	Error (example)
CANCOMM	OK	NG
CAN1	OK	UNKWN
CAN2	OK	UNKWN
CAN3	OK	UNKWN
CAN4	OK	UNKWN
CAN5	OK	UNKWN
CAN6	OK	UNKWN
CAN7	OK	UNKWN
CAN8	OK	UNKWN
CAN9	OK	UNKWN

Fig 1: LCD Monitor Display - CAN Diag

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

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

CAN DIAG MONITOR Check Sheet

CAN DIAG MONITOR CHECK SHEET

Diagnosis item	Screen display		Diagnosis item	Screen display
CANCOMM	OK	NG	CAN5	OK	UNKWN
CAN1	OK	UNKWN	CAN6	OK	UNKWN
CAN2	OK	UNKWN	CAN7	OK	UNKWN
CAN3	OK	UNKWN	CAN8	OK	UNKWN
CAN4	OK	UNKWN	CAN9	OK	UNKWN

: After filling in CAN DIAG MONITOR Check Sheet, go to "CAN COMMUNICATION ".