Nissan Murano Z50 (2003 year). Manual - part 155

LAN-94

[CAN]

CAN SYSTEM (TYPE 3)

Revision; 2004 April

2003 Murano

CAN SYSTEM (TYPE 3)

PFP:23710

System Description

AKS006PS

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

AKS006PT

SKIA5869E

CAN SYSTEM (TYPE 3)

LAN-95

[CAN]

C

D

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F

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LAN

Revision; 2004 April

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Schematic

AKS006PU

TKWA0931E

LAN-96

[CAN]

CAN SYSTEM (TYPE 3)

Revision; 2004 April

2003 Murano

Wiring Diagram - CAN -

AKS006PV

TKWA0932E

CAN SYSTEM (TYPE 3)

LAN-97

[CAN]

C

D

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F

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LAN

Revision; 2004 April

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TKWA0933E

LAN-98

[CAN]

CAN SYSTEM (TYPE 3)

Revision; 2004 April

2003 Murano

TKWA0934E

CAN SYSTEM (TYPE 3)

LAN-99

[CAN]

C

D

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F

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LAN

Revision; 2004 April

2003 Murano

Work Flow

AKS00C4V

1.

When there are no indications of “TRANSMISSION” or “METER A/C AMP” on “SELECT SYSTEM” dis-
play of CONSULT-II, print the “SELECT SYSTEM”.

2.

Print all the data of “SELF-DIAG RESULTS” for “ENGINE”, “TRANSMISSION”, “BCM”, “METER A/C
AMP” and “ABS” displayed on CONSULT-II.

3.

Print all the data of “CAN DIAG SUPPORT MNTR” for “ENGINE”, “TRANSMISSION”, “BCM”, “METER A/
C AMP” and “ABS” 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 

LAN-101, "CHECK SHEET"

 .

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 

LAN-

101, "CHECK SHEET"

 .

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 navigation system. Refer to 

AV-203, "CAN Communication Line

Check"

 .

7.

Attach the CAN DIAG SUPPORT MONITOR check sheet onto the check sheet. Refer to 

LAN-101,

"CHECK SHEET"

 .

PKIA2093E

PKIA8260E

PKIA8343E

LAN-100

[CAN]

CAN SYSTEM (TYPE 3)

Revision; 2004 April

2003 Murano

8.

Mark the “NG” or “UNKWN” item of the check sheet table with “v” from the result of CAN DIAG SUPPORT
MONITOR check sheet. Refer to 

LAN-101, "CHECK SHEET"

 .

NOTE:
If “NG” is displayed on “CAN COMM” as “CAN DIAG SUPPORT MONITOR” for the diagnosed control
unit, replace the control unit. Refer to 

AV-203, "CAN Communication Line Check"

 .

9.

According to the check sheet results (example), start inspection. Refer to 

LAN-103, "CHECK SHEET

RESULTS (EXAMPLE)"

 .

CAN SYSTEM (TYPE 3)

LAN-101

[CAN]

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LAN

Revision; 2004 April

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CHECK SHEET

NOTE:
If “NG” is displayed on “INITIAL DIAG (Initial diagnosis)” or “CAN COMM” for the diagnosed control unit,
replace the control unit.

PKIB0452E

LAN-102

[CAN]

CAN SYSTEM (TYPE 3)

Revision; 2004 April

2003 Murano

PKIB0422E

CAN SYSTEM (TYPE 3)

LAN-103

[CAN]

C

D

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F

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LAN

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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-114, "Circuit Check Between TCM and

Data Link Connector"

 .

PKIB0453E

SKIA5129E

LAN-104

[CAN]

CAN SYSTEM (TYPE 3)

Revision; 2004 April

2003 Murano

Case 2

Check harness between data link connector and ABS actuator and electric unit (control unit). Refer to 

LAN-

114, "Circuit Check Between Data Link Connector and ABS Actuator and Electric Unit (Control Unit)"

 .

PKIB0454E

SKIA5130E

CAN SYSTEM (TYPE 3)

LAN-105

[CAN]

C

D

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F

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LAN

Revision; 2004 April

2003 Murano

Case 3

Check ECM circuit. Refer to 

LAN-115, "ECM Circuit Check"

 .

PKIB0455E

SKIA5131E

LAN-106

[CAN]

CAN SYSTEM (TYPE 3)

Revision; 2004 April

2003 Murano

Case 4

Check TCM circuit. Refer to 

LAN-116, "TCM Circuit Check"

 .

PKIB0456E

SKIA5132E

CAN SYSTEM (TYPE 3)

LAN-107

[CAN]

C

D

E

F

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LAN

Revision; 2004 April

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Case 5

Check display control unit circuit. Refer to 

LAN-116, "Display Control Unit Circuit Check"

 .

PKIB0457E

SKIA5133E

LAN-108

[CAN]

CAN SYSTEM (TYPE 3)

Revision; 2004 April

2003 Murano

Case 6

Check data link connector circuit. Refer to 

LAN-117, "Data Link Connector Circuit Check"

 .

PKIB0458E

SKIA5134E

CAN SYSTEM (TYPE 3)

LAN-109

[CAN]

C

D

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F

G

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LAN

Revision; 2004 April

2003 Murano

Case 7

Check BCM circuit. Refer to 

LAN-117, "BCM Circuit Check"

 .

PKIB0459E

SKIA5135E