Nissan Murano Z51 (2012 year). Manual - part 40

 

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Nissan Murano Z51 (2012 year). Manual - part 40

 

 

LAN

CAN COMMUNICATION SYSTEM

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DTC/CIRCUIT DIAGNOSIS

CAN COMMUNICATION SYSTEM

Component Parts Location

INFOID:0000000007544251

1.

ABS actuator and electric unit (con-
trol unit) E36

2.

AWD control unit M69

3.

TCM F23

4.

ECM E16

5.

IPDM E/R E11

6.

BCM M122

7.

Data link connector M4

8.

Combination meter M34

9.

Steering angle sensor M30

10. Driver seat control unit B452

11.

Automatic back door control unit B8

12. Air bag diagnosis sensor unit M73

13. A/C auto amp. M50

14. AV control unit 

M174: Without navigation system
M180: With navigation system

JPMIA0844ZZ

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CAN COMMUNICATION SYSTEM

Wiring Diagram - CAN SYSTEM -

INFOID:0000000007544252

For connector terminal arrangements, harness layouts, and alphabets in a 

(option abbreviation; if not

described in wiring diagram), refer to 

GI-12, "Connector Information"

.

JCMWN0021GB

Revision: 2013 February

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CAN COMMUNICATION SYSTEM

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MALFUNCTION AREA CHART

MALFUNCTION AREA CHART

Main Line

INFOID:0000000007544253

Branch Line

INFOID:0000000007544254

Short Circuit

INFOID:0000000007544255

Malfunction area

Reference

Main line between driver seat control unit and automatic back 
door control unit

LAN-33, "Diagnosis Procedure"

Main line between automatic back door control unit and combi-
nation meter

LAN-34, "Diagnosis Procedure"

Main line between combination meter and data link connector

LAN-35, "Diagnosis Procedure"

Main line between data link connector and TCM

LAN-36, "Diagnosis Procedure"

Malfunction area

Reference

ECM branch line circuit 

LAN-37, "Diagnosis Procedure"

Driver seat control unit branch line circuit 

LAN-38, "Diagnosis Procedure"

Automatic back door control unit branch line circuit 

LAN-39, "Diagnosis Procedure"

AWD control unit branch line circuit 

LAN-40, "Diagnosis Procedure"

AV control unit branch line circuit 

LAN-41, "Diagnosis Procedure"

A/C auto amp. branch line circuit 

LAN-42, "Diagnosis Procedure"

Combination meter branch line circuit 

LAN-43, "Diagnosis Procedure"

Air bag diagnosis sensor unit branch line circuit 

LAN-44, "Diagnosis Procedure"

BCM branch line circuit 

LAN-45, "Diagnosis Procedure"

Data link connector branch line circuit 

LAN-46, "Diagnosis Procedure"

Steering angle sensor branch line circuit 

LAN-47, "Diagnosis Procedure"

ABS actuator and electric unit (control unit) branch line circuit 

LAN-48, "Diagnosis Procedure"

TCM branch line circuit

LAN-49, "Diagnosis Procedure"

IPDM E/R branch line circuit 

LAN-50, "Diagnosis Procedure"

Malfunction area

Reference

CAN communication circuit

LAN-51, "Diagnosis Procedure"

Revision: 2013 February

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MAIN LINE BETWEEN ADP AND PWBD CIRCUIT

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MAIN LINE BETWEEN ADP AND PWBD CIRCUIT

Diagnosis Procedure

INFOID:0000000007544256

1.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Disconnect the following harness connectors.

-

ECM

-

Harness connectors B460 and B19

-

Automatic back door control unit

4.

Check the continuity between the harness connector and the automatic back door control unit harness
connector.

Is the inspection result normal?

YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the driver seat control unit and the automatic

back door control unit. 

NO

>> Repair the main line between the harness connector B19 and the automatic back door control

unit.

Harness connector

Automatic back door control unit harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

B19

2

B8

6

Existed

9

7

Existed

Revision: 2013 February

2012 MURANO

LAN-34

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[CAN]

MAIN LINE BETWEEN PWBD AND M&A CIRCUIT

MAIN LINE BETWEEN PWBD AND M&A CIRCUIT

Diagnosis Procedure

INFOID:0000000007544257

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the following terminals and connectors for damage, bend and loose connection (connector side
and harness side).

-

Harness connector B11

-

Harness connector M77

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the following harness connectors.

-

Automatic back door control unit

-

Harness connectors B11 and M77

2.

Check the continuity between the automatic back door control unit harness connector and the harness
connector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the main line between the automatic back door control unit and the harness connector

B11.

3.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of combination meter.

2.

Check the continuity between the harness connector and the combination meter harness connector.

Is the inspection result normal?

YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the automatic back door control unit and the

combination meter. 

NO

>> Repair the main line between the harness connector M77 and the combination meter.

Automatic back door control unit harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

B8

6

B11

57

Existed

7

56

Existed

Harness connector

Combination meter harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M77

57

M34

21

Existed

56

22

Existed

Revision: 2013 February

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MAIN LINE BETWEEN M&A AND DLC CIRCUIT

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MAIN LINE BETWEEN M&A AND DLC CIRCUIT

Diagnosis Procedure

INFOID:0000000007544258

1.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Disconnect the following harness connectors.

-

ECM

-

Combination meter

4.

Check the continuity between the combination meter harness connector and the data link connector.

Is the inspection result normal?

YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the combination meter and the data link con-

nector. 

NO

>> Repair the main line between the combination meter and the data link connector.

Combination meter harness connector

Data link connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M34

21

M4

6

Existed

22

14

Existed

Revision: 2013 February

2012 MURANO

LAN-36

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[CAN]

MAIN LINE BETWEEN DLC AND TCM CIRCUIT

MAIN LINE BETWEEN DLC AND TCM CIRCUIT

Diagnosis Procedure

INFOID:0000000007544259

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the following terminals and connectors for damage, bend and loose connection (connector side
and harness side).

-

Harness connector M11

-

Harness connector E105

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the harness connectors M11 and E105.

2.

Check the continuity between the data link connector and the harness connector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the main line between the data link connector and the harness connector M11.

3.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the harness connectors E6 and F123.

2.

Check the continuity between the harness connectors.

Is the inspection result normal?

YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the data link connector and the TCM. 
NO

>> Repair the main line between the harness connectors E105 and E6.

Data link connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M4

6

M11

12

Existed

14

11

Existed

Harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

E105

12

E6

1

Existed

11

8

Existed

Revision: 2013 February

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ECM BRANCH LINE CIRCUIT

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ECM BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000007544260

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).

-

Models with automatic back door system

ECM

Harness connector E104

Harness connector B4

-

Models without automatic back door system

ECM

Harness connector E105

Harness connector M11

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of ECM.

2.

Check the resistance between the ECM harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the ECM branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the ECM. Refer to 

EC-148, "Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the ECM. Refer to 

EC-17, "ADDITIONAL SERVICE WHEN REPLACING

CONTROL UNIT : Special Repair Requirement"

.

YES (Past error)>>Error was detected in the ECM branch line.
NO

>> Repair the power supply and the ground circuit.

ECM harness connector

Resistance (

)

Connector No.

Terminal No.

E16

98

97

Approx. 108 – 132

Revision: 2013 February

2012 MURANO

LAN-38

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[CAN]

ADP BRANCH LINE CIRCUIT

ADP BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000007544261

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).

-

Driver seat control unit

-

Harness connector B460

-

Harness connector B19

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of driver seat control unit.

2.

Check the resistance between the driver seat control unit harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the driver seat control unit branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the driver seat control unit. Refer to 

ADP-55, "DRIVER SEAT

CONTROL UNIT : Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the driver seat control unit. Refer to 

ADP-181, "Removal and Installation"

.

YES (Past error)>>Error was detected in the driver seat control unit branch line.
NO

>> Repair the power supply and the ground circuit.

Driver seat control unit harness connector

Resistance (

)

Connector No.

Terminal No.

B452

23

24

Approx. 54 – 66

Revision: 2013 February

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PWBD BRANCH LINE CIRCUIT

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PWBD BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000007544262

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the terminals and connectors of the automatic back door control unit for damage, bend and loose
connection (unit side and connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of automatic back door control unit.

2.

Check the resistance between the automatic back door control unit harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the automatic back door control unit branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the automatic back door control unit. Refer to 

DLK-95,

"AUTOMATIC BACK DOOR CONTROL UNIT : Diagnosis Procedure"

Is the inspection result normal?

YES (Present error)>>Replace the automatic back door control unit. Refer to 

DLK-323, "Removal and Instal-

lation"

.

YES (Past error)>>Error was detected in the automatic back door control unit branch line.
NO

>> Repair the power supply and the ground circuit.

Automatic back door control unit harness connector

Resistance (

)

Connector No.

Terminal No.

B8

6

7

Approx. 54 – 66

Revision: 2013 February

2012 MURANO

LAN-40

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[CAN]

4WD BRANCH LINE CIRCUIT

4WD BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000007544263

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the terminals and connectors of the AWD control unit for damage, bend and loose connection (unit
side and connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of AWD control unit.

2.

Check the resistance between the AWD control unit harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the AWD control unit branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the AWD control unit. Refer to 

DLN-21, "Diagnosis Proce-

dure"

.

Is the inspection result normal?

YES (Present error)>>Replace the AWD control unit. Refer to 

DLN-47, "Removal and Installation"

.

YES (Past error)>>Error was detected in the AWD control unit branch line.
NO

>> Repair the power supply and the ground circuit.

AWD control unit harness connector

Resistance (

)

Connector No.

Terminal No.

M69

8

16

Approx. 54 – 66

Revision: 2013 February

2012 MURANO

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AV BRANCH LINE CIRCUIT

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AV BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000007544264

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the terminals and connectors of the AV control unit for damage, bend and loose connection (unit
side and connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of AV control unit.

2.

Check the resistance between the AV control unit harness connector terminals.

-

Models with navigation system

-

Models without navigation system

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the AV control unit branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the AV control unit. Refer to the following.
• Base audio with color display: 

AV-96, "AV CONTROL UNIT : Diagnosis Procedure"

• BOSE audio without navigation: 

AV-214, "AV CONTROL UNIT : Diagnosis Procedure"

• BOSE audio with navigation: 

AV-353, "AV CONTROL UNIT : Diagnosis Procedure"

Is the inspection result normal?

YES (Present error)>>Replace the AV control unit. Refer to the following.

• Base audio with color display: 

AV-131, "Removal and Installation"

• BOSE audio without navigation: 

AV-246, "Removal and Installation"

• BOSE audio with navigation: 

AV-381, "Removal and Installation"

YES (Past error)>>Error was detected in the AV control unit branch line.
NO

>> Repair the power supply and the ground circuit.

AV control unit harness connector

Resistance (

)

Connector No.

Terminal No.

M180

90

74

Approx. 54 – 66

AV control unit harness connector

Resistance (

)

Connector No.

Terminal No.

M174

81

80

Approx. 54 – 66

Revision: 2013 February

2012 MURANO

LAN-42

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

HVAC BRANCH LINE CIRCUIT

HVAC BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000007544265

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the terminals and connectors of the A/C auto amp. for damage, bend and loose connection (unit
side and connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of A/C auto amp.

2.

Check the resistance between the A/C auto amp. harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the A/C auto amp. branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the A/C auto amp. Refer to the following.
• Without 7 inch display: 

HAC-77, "A/C AUTO AMP. : Diagnosis Procedure"

• With 7 inch display: 

HAC-196, "A/C AUTO AMP. : Diagnosis Procedure"

Is the inspection result normal?

YES (Present error)>>Replace the A/C auto amp. Refer to the following.

• Without 7 inch display: 

VTL-24, "Removal and Installation"

• With 7 inch display: 

VTL-87, "Removal and Installation"

YES (Past error)>>Error was detected in the A/C auto amp. branch line.
NO

>> Repair the power supply and the ground circuit.

A/C auto amp. harness connector

Resistance (

)

Connector No.

Terminal No.

M50

1

2

Approx. 54 – 66

Revision: 2013 February

2012 MURANO

LAN

M&A BRANCH LINE CIRCUIT

LAN-43

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M&A BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000007544266

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the terminals and connectors of the combination meter for damage, bend and loose connection
(unit side and connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of combination meter.

2.

Check the resistance between the combination meter harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the combination meter branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the combination meter. Refer to 

MWI-44, "COMBINATION

METER : Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the combination meter. Refer to 

MWI-94, "Removal and Installation"

.

YES (Past error)>>Error was detected in the combination meter branch line.
NO

>> Repair the power supply and the ground circuit.

Combination meter harness connector

Resistance (

)

Connector No.

Terminal No.

M34

21

22

Approx. 54 – 66

Revision: 2013 February

2012 MURANO

LAN-44

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

A-BAG BRANCH LINE CIRCUIT

A-BAG BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000007544267

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes

or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

1.

CHECK CONNECTOR

Check the terminals and connectors of the air bag diagnosis sensor unit for damage, bend and loose connec-
tion (unit side and connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the terminal and connector.

2.

CHECK AIR BAG DIAGNOSIS SENSOR UNIT

Check the air bag diagnosis sensor unit. Refer to the following.
• For USA and CANADA: 

SRC-8, "Work Flow"

• For  MEXICO: 

SRC-175, "Work Flow"

Is the inspection result normal?

YES

>> Replace the main harness.

NO

>> Replace parts whose air bag system has a malfunction.

Revision: 2013 February

2012 MURANO

 

 

 

 

 

 

 

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