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Nissan Murano Z50 (2003 year). Manual - part 182

LAN-526

[CAN]

CAN SYSTEM (TYPE 15)

Revision; 2004 April

2003 Murano

10.

CHECK HARNESS FOR SHORT CIRCUIT

Disconnect ABS actuator and electric unit (control unit) connector and IPDM E/R connector.

Check continuity between IPDM E/R harness connector E9 ter-
minals 48 (L) and 49 (Y).

OK or NG

>> GO TO 11.

>> Check the following harnesses. If any harness is dam-

aged, repair the harness.

●

Harness between IPDM E/R and ABS actuator and
electric unit (control unit).

●

Harness between IPDM E/R and harness connector
E105.

11.

CHECK HARNESS FOR SHORT CIRCUIT

Check continuity between IPDM E/R harness connector E9 termi-
nals 48 (L), 49 (Y) and ground.

OK or NG

>> GO TO 12.

>> Check the following harnesses. If any harness is dam-

aged, repair the harness.

●

Harness between IPDM E/R and ABS actuator and
electric unit (control unit).

●

Harness between IPDM E/R and harness connector E105.

12.

ECM/IPDM E/R INTERNAL CIRCUIT INSPECTION

Check components inspection. Refer to

LAN-526, "ECM/IPDM E/R INTERNAL CIRCUIT INSPECTION"

OK or NG

>> Connect all the connectors and diagnose again. Refer to

LAN-497, "Work Flow"

>> Replace ECM and/or IPDM E/R.

IPDM E/R Ignition Relay Circuit Check

AKS006X0

Check the following. If no malfunction is found, replace the IPDM E/R.

●

IPDM E/R power supply circuit. Refer to

PG-45, "IPDM E/R Power/Ground Circuit Inspection"

●

Ignition power supply circuit. Refer to

PG-10, "IGNITION POWER SUPPLY - IGNITION SW. IN “ON”

AND/OR “START”"

Component Inspection

AKS006X1

ECM/IPDM E/R INTERNAL CIRCUIT INSPECTION

●

Remove ECM and IPDM E/R from vehicle.

●

Check resistance between ECM terminals 94 and 86.

●

Check resistance between IPDM E/R terminals 48 and 49.

48 (L) - 49 (Y)

: Continuity should not exist.

LKIA0030E

48 (L) - Ground

: Continuity should not exist.

49 (Y) - Ground

: Continuity should not exist.

LKIA0036E

Unit

Terminal

Resistance value (

Ω

)

(Approx.)

ECM

94 - 86

108 - 132

IPDM E/R

48 - 49

LKIA0037E

CAN SYSTEM (TYPE 16)

LAN-527

[CAN]

LAN

Revision; 2004 April

2003 Murano

CAN SYSTEM (TYPE 16)

PFP:23710

System Description

AKS006X2

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

AKS006X3

SKIA5864E

LAN-528

[CAN]

CAN SYSTEM (TYPE 16)

Revision; 2004 April

2003 Murano

Schematic

AKS006X4

TKWA0983E

CAN SYSTEM (TYPE 16)

LAN-529

[CAN]

LAN

Revision; 2004 April

2003 Murano

Wiring Diagram - CAN -

AKS006X5

TKWA0984E

LAN-530

[CAN]

CAN SYSTEM (TYPE 16)

Revision; 2004 April

2003 Murano

TKWA0985E

CAN SYSTEM (TYPE 16)

LAN-531

[CAN]

LAN

Revision; 2004 April

2003 Murano

TKWA0986E

LAN-532

[CAN]

CAN SYSTEM (TYPE 16)

Revision; 2004 April

2003 Murano

Work Flow

AKS00C5A

When there are no indications of “TRANSMISSION”, “AIR PRESSURE MONITOR”, “METER A/C AMP”
or “AUTO DRIVE POS.” on “SELECT SYSTEM” display of CONSULT-II, print the “SELECT SYSTEM”.

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

Print all the data of “CAN DIAG SUPPORT MNTR” for “ENGINE”, “TRANSMISSION”, “AIR PRESSURE
MONITOR”, “BCM”, “METER A/C AMP”, “AUTO DRIVE POS.” and “ABS” displayed on CONSULT-II.

Attach the printed sheet of “SELECT SYSTEM”, “SELF-DIAG RESULTS” and “CAN DIAG SUPPORT
MNTR” onto the check sheet. Refer to

LAN-534, "CHECK SHEET"

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-

534, "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.

Check CAN communication line of the navigation system. Refer to

AV-203, "CAN Communication Line

Check"

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

LAN-534,

"CHECK SHEET"

PKIA2093E

PKIA8260E

PKIA8343E

CAN SYSTEM (TYPE 16)

LAN-533

[CAN]