Nissan Murano Z50 (2004 year). Manual — part 163
CAN SYSTEM (TYPE 13)
LAN-425
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Revision: 2004 November
2004 Murano
CAN SYSTEM (TYPE 13)
PFP:23710
System Description
AKS00A67
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
Component Parts and Harness Connector Location
AKS00A68
SKIA9972E
LAN-426
[CAN]
CAN SYSTEM (TYPE 13)
Revision: 2004 November
2004 Murano
Schematic
AKS00A69
TKWB0053E
CAN SYSTEM (TYPE 13)
LAN-427
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Revision: 2004 November
2004 Murano
Wiring Diagram - CAN -
AKS00A6A
TKWB0054E
LAN-428
[CAN]
CAN SYSTEM (TYPE 13)
Revision: 2004 November
2004 Murano
TKWB0056E
CAN SYSTEM (TYPE 13)
LAN-429
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Revision: 2004 November
2004 Murano
TKWB0057E
LAN-430
[CAN]
CAN SYSTEM (TYPE 13)
Revision: 2004 November
2004 Murano
Work Flow
AKS00ASF
1.
When there are no indications of “TRANSMISSION”, “AIR PRESSURE MONITOR”, “BCM”, “METER A/C
AMP”, or “IPDM E/R” on “SELECT SYSTEM” display of CONSULT-II, print the “SELECT SYSTEM”.
2.
Print all the data of “SELF-DIAG RESULTS” for “ENGINE”, “TRANSMISSION”, “AIR PRESSURE MONI-
TOR”, “BCM”, “METER A/C AMP”, “ALL MODE AWD/4WD”, “ABS”, and “IPDM E/R” displayed on CON-
SULT-II.
3.
Print all the data of “CAN DIAG SUPPORT MNTR” for “ENGINE”, “TRANSMISSION”, “AIR PRESSURE
MONITOR”, “BCM”, “METER A/C AMP”, “ALL MODE AWD/4WD”, “ABS”, and “IPDM E/R” displayed on
CONSULT-II.
4.
Attach the printed sheet of “SELECT SYSTEM”, “SELF-DIAG RESULTS” and “CAN DIAG SUPPORT
MNTR” onto the check sheet. Refer to
5.
Based on the indications of “SELECT SYSTEM” and the results of “CAN DIAG SUPPORT MNTR”, put
marks “v” onto the items with “No indication”, “NG”, or “UNKWN” in the check sheet table. Refer to
NOTE:
●
If “NG” is displayed on “INITIAL DIAG (Initial diagnosis)” as “CAN DIAG SUPPORT MNTR” for the diag-
nosed control unit, replace the control unit.
●
The “CAN DIAG SUPPORT MNTR” items, which are not in check sheet table, are not related to diag-
nostic procedure on service manual.
So it is not necessary to check the status of “CAN DIAG SUPPORT MNTR” items which are not indi-
cated in check sheet table.
6.
Check CAN communication line of the integrated display system. Refer to
PKIA2093E
PKIA8260E
PKIA8343E
CAN SYSTEM (TYPE 13)
LAN-431
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Revision: 2004 November
2004 Murano
7.
Attach the CAN DIAG MONITOR check sheet onto the check sheet. Refer to
.
8.
Mark the “NG” or “UNKWN” item of the check sheet table with “v” from the result of CAN DIAG MONITOR
check sheet. Refer to
NOTE:
If “NG” is displayed on “CAN COMM” as “CAN DIAG MNTR” for the diagnosed control unit, replace the
control unit. Refer to
AV-101, "CAN Communication Line Check"
9.
According to the check sheet results (example), start inspection. Refer to
LAN-432
[CAN]
CAN SYSTEM (TYPE 13)
Revision: 2004 November
2004 Murano
CHECK SHEET
NOTE:
If “NG” is displayed on “INITIAL DIAG (Initial diagnosis)” or “CAN COMM” for the diagnosed control unit,
replace the control unit.
PKIA8542E
CAN SYSTEM (TYPE 13)
LAN-433
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Revision: 2004 November
2004 Murano
PKIA8543E
LAN-434
[CAN]
CAN SYSTEM (TYPE 13)
Revision: 2004 November
2004 Murano
CHECK SHEET RESULTS (EXAMPLE)
NOTE:
If “NG” is displayed on “INITIAL DIAG (Initial diagnosis)” or “CAN COMM” for the diagnosed control unit,
replace the control unit.
Case 1
Check harness between TCM and data link connector. Refer to
LAN-448, "Circuit Check Between TCM and
PKIA8544E
SKIA5448E
CAN SYSTEM (TYPE 13)
LAN-435
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Revision: 2004 November
2004 Murano
Case 2
Check harness between data link connector and ABS actuator and electric unit (control unit). Refer to
449, "Circuit Check Between Data Link Connector and ABS Actuator and Electric Unit (Control Unit)"
PKIA8545E
SKIA5449E
LAN-436
[CAN]
CAN SYSTEM (TYPE 13)
Revision: 2004 November
2004 Murano
Case 3
Check ECM circuit. Refer to
PKIA8546E
SKIA5450E
CAN SYSTEM (TYPE 13)
LAN-437
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Revision: 2004 November
2004 Murano
Case 4
Check TCM circuit. Refer to
PKIA8547E
SKIA5451E
LAN-438
[CAN]
CAN SYSTEM (TYPE 13)
Revision: 2004 November
2004 Murano
Case 5
Check low tire pressure warning control unit circuit. Refer to
LAN-451, "Low Tire Pressure Warning Control
PKIA8548E
SKIA5452E
CAN SYSTEM (TYPE 13)
LAN-439
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Revision: 2004 November
2004 Murano
Case 6
Check display unit circuit. Refer to
LAN-451, "Display Unit Circuit Check"
PKIA8549E
SKIA5453E
LAN-440
[CAN]
CAN SYSTEM (TYPE 13)
Revision: 2004 November
2004 Murano
Case 7
Check data link connector circuit. Refer to
LAN-452, "Data Link Connector Circuit Check"
PKIA8550E
SKIA5454E
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