Murano Cross Cabriolet Z51 (2013 year). Manual - part 57

LAN-34

< BASIC INSPECTION >

[CAN]

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Interview Sheet

INFOID:0000000008462781

NOTE:
Refer to 

LAN-15, "Trouble Diagnosis Procedure"

 for how to use interview sheet.

SKIB8898E

Revision: 2012 October

2013 Murano CrossCabriolet

LAN

MALFUNCTION AREA CHART

LAN-35

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DTC/CIRCUIT DIAGNOSIS

MALFUNCTION AREA CHART

Main Line

INFOID:0000000008462782

Branch Line

INFOID:0000000008462783

Short Circuit

INFOID:0000000008462784

Malfunction area

Reference

Main line between driver seat control unit and soft top control unit

LAN-36, "Diagnosis Procedure"

Main line between soft top control unit and combination meter

LAN-37, "Diagnosis Procedure"

Main line between combination meter and data link connector

LAN-38, "Diagnosis Procedure"

Main line between data link connector and TCM

LAN-39, "Diagnosis Procedure"

Malfunction area

Reference

ECM branch line circuit 

LAN-40, "Diagnosis Procedure"

Driver seat control unit branch line circuit 

LAN-41, "Diagnosis Procedure"

Soft top control unit branch line circuit 

LAN-42, "Diagnosis Procedure"

AWD control unit branch line circuit 

LAN-43, "Diagnosis Procedure"

AV control unit branch line circuit 

LAN-44, "Diagnosis Procedure"

A/C auto amp. branch line circuit 

LAN-45, "Diagnosis Procedure"

Combination meter branch line circuit 

LAN-46, "Diagnosis Procedure"

Air bag diagnosis sensor unit branch line circuit 

LAN-47, "Diagnosis Procedure"

BCM branch line circuit 

LAN-48, "Diagnosis Procedure"

Data link connector branch line circuit 

LAN-49, "Diagnosis Procedure"

Steering angle sensor branch line circuit 

LAN-50, "Diagnosis Procedure"

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

LAN-51, "Diagnosis Procedure"

TCM branch line circuit

LAN-52, "Diagnosis Procedure"

IPDM E/R branch line circuit 

LAN-53, "Diagnosis Procedure"

Malfunction area

Reference

CAN communication circuit

LAN-54, "Diagnosis Procedure"

Revision: 2012 October

2013 Murano CrossCabriolet

LAN-36

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

MAIN LINE BETWEEN ADP AND C/ROOF CIRCUIT

MAIN LINE BETWEEN ADP AND C/ROOF CIRCUIT

Diagnosis Procedure

INFOID:0000000008462785

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

-

Harness connectors B77 and B318

4.

Check the continuity between the harness connectors.

Is the inspection result normal?

YES (Present error)>>Connect all the connectors and diagnose again. Refer to 

LAN-15, "Trouble Diagnosis

Flow Chart"

.

YES (Past error)>>Error was detected in the main line between the driver seat control unit and the soft top

control unit. 

NO

>> Repair the main line between the harness connectors B19 and B77.

Harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

B19

2

B77

31

Existed

9

32

Existed

Revision: 2012 October

2013 Murano CrossCabriolet

LAN

MAIN LINE BETWEEN C/ROOF AND M&A CIRCUIT

LAN-37

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MAIN LINE BETWEEN C/ROOF AND M&A CIRCUIT

Diagnosis Procedure

INFOID:0000000008462786

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.

-

Harness connectors B318 and B77

-

Harness connectors B11 and M77

2.

Check the continuity between the harness connectors.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the main line between the harness connectors B77 and 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)>>Connect all the connectors and diagnose again. Refer to 

LAN-15, "Trouble Diagnosis

Flow Chart"

.

YES (Past error)>>Error was detected in the main line between the soft top control unit and the combination

meter. 

NO

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

Harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

B77

31

B11

57

Existed

32

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: 2012 October

2013 Murano CrossCabriolet

LAN-38

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

MAIN LINE BETWEEN M&A AND DLC CIRCUIT

MAIN LINE BETWEEN M&A AND DLC CIRCUIT

Diagnosis Procedure

INFOID:0000000008462787

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

LAN-15, "Trouble Diagnosis

Flow Chart"

.

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: 2012 October

2013 Murano CrossCabriolet

LAN

MAIN LINE BETWEEN DLC AND TCM CIRCUIT

LAN-39

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MAIN LINE BETWEEN DLC AND TCM CIRCUIT

Diagnosis Procedure

INFOID:0000000008462788

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

LAN-15, "Trouble Diagnosis

Flow Chart"

.

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: 2012 October

2013 Murano CrossCabriolet

LAN-40

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

ECM BRANCH LINE CIRCUIT

ECM BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000008462789

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).

-

ECM

-

Harness connector E104

-

Harness connector B4

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-147, "Diagnosis Procedure"

.

Is the inspection result normal?

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

EC-433, "Removal and Installation"

.

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

>> Repair the power supply and the ground circuit.

ECM harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

E16

98

97

Approx. 108 – 132

Revision: 2012 October

2013 Murano CrossCabriolet

LAN

ADP BRANCH LINE CIRCUIT

LAN-41

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ADP BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000008462790

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-50, "DRIVER SEAT

CONTROL UNIT : Diagnosis Procedure"

.

Is the inspection result normal?

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

ADP-121, "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 (

Ω

)

Connector No.

Terminal No.

B452

23

24

Approx. 54 – 66

Revision: 2012 October

2013 Murano CrossCabriolet

LAN-42

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

C/ROOF BRANCH LINE CIRCUIT

C/ROOF BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000008462791

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).

-

Soft top control unit

-

Harness connector B318

-

Harness connector B77

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 soft top control unit.

2.

Check the resistance between the soft top control unit harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the soft top control unit branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

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

RF-165, "Diagnosis Proce-

dure"

. 

Is the inspection result normal?

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

RF-229, "Removal and Installation"

.

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

>> Repair the power supply and the ground circuit.

Soft top control unit harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

B323

17

18

Approx. 54 – 66

Revision: 2012 October

2013 Murano CrossCabriolet

LAN

4WD BRANCH LINE CIRCUIT

LAN-43

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4WD BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000008462792

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-34, "Diagnosis Proce-

dure"

.

Is the inspection result normal?

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

DLN-48, "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 (

Ω

)

Connector No.

Terminal No.

M69

8

16

Approx. 54 – 66

Revision: 2012 October

2013 Murano CrossCabriolet

LAN-44

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

AV BRANCH LINE CIRCUIT

AV BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000008462793

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.
• BOSE audio without navigation: 

AV-70, "AV CONTROL UNIT : Diagnosis Procedure"

• BOSE audio with navigation: 

AV-208, "AV CONTROL UNIT : Diagnosis Procedure"

Is the inspection result normal?

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

• BOSE audio without navigation: 

AV-102, "Removal and Installation"

• BOSE audio with navigation: 

AV-236, "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 (

Ω

)

Connector No.

Terminal No.

M180

90

74

Approx. 54 – 66

AV control unit harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

M174

81

80

Approx. 54 – 66

Revision: 2012 October

2013 Murano CrossCabriolet

LAN

HVAC BRANCH LINE CIRCUIT

LAN-45

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HVAC BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000008462794

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 

HAC-63, "A/C AUTO AMP. :

Diagnosis Procedure"

.

Is the inspection result normal?

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

HAC-79, "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 (

Ω

)

Connector No.

Terminal No.

M50

1

2

Approx. 54 – 66

Revision: 2012 October

2013 Murano CrossCabriolet

LAN-46

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

M&A BRANCH LINE CIRCUIT

M&A BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000008462795

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-47, "COMBINATION

METER : Diagnosis Procedure"

.

Is the inspection result normal?

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

MWI-70, "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 (

Ω

)

Connector No.

Terminal No.

M34

21

22

Approx. 54 – 66

Revision: 2012 October

2013 Murano CrossCabriolet

LAN

A-BAG BRANCH LINE CIRCUIT

LAN-47

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A-BAG BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000008462796

WARNING:

Always observe the following items for preventing accidental activation.
• 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

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

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

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the main harness.

2.

CHECK AIR BAG DIAGNOSIS SENSOR UNIT

Check the air bag diagnosis sensor unit. Refer to 

SRC-26, "Work Flow"

.

Is the inspection result normal?

YES

>> Replace the main harness.

NO

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

Revision: 2012 October

2013 Murano CrossCabriolet

LAN-48

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

BCM BRANCH LINE CIRCUIT

BCM BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000008462797

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 BCM 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 BCM.

2.

Check the resistance between the BCM harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the BCM branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

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

BCS-70, "Diagnosis Procedure"

.

Is the inspection result normal?

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

BCS-77, "Removal and Installation"

.

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

>> Repair the power supply and the ground circuit.

BCM harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

M122

91

90

Approx. 54 – 66

Revision: 2012 October

2013 Murano CrossCabriolet

LAN

DLC BRANCH LINE CIRCUIT

LAN-49

< DTC/CIRCUIT DIAGNOSIS >

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DLC BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000008462798

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 data link connector for damage, bend and loose connection
(connector side and harness side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

Check the resistance between the data link connector terminals.

Is the measurement value within the specification?

YES (Present error)>>Diagnose again. Refer to 

LAN-15, "Trouble Diagnosis Flow Chart"

.

YES (Past error)>>Error was detected in the data link connector branch line circuit.
NO

>> Repair the data link connector branch line.

Data link connector

Resistance (

Ω

)

Connector No.

Terminal No.

M4

6

14

Approx. 54 – 66

Revision: 2012 October

2013 Murano CrossCabriolet