Murano Cross Cabriolet Z51 (2011 year). Manual - part 63

WCS-24

< ECU DIAGNOSIS INFORMATION >

COMBINATION METER

DTC Index

INFOID:0000000007125086

Information display

Door open warning

The display turns off by suspending communication.

Trunk open warning

Parking brake release warning

Low tire pressure warning

Fuel filler cap warning

Instantaneous fuel warning

• When reception time of an abnormal signal is 2 seconds or 

less, the last received datum is used for calculation to indi-
cate the result.

• When reception time of an abnormal signal is more than two 

seconds, the last result calculated during normal condition 
is indicated.

Average fuel consumption

Average vehicle speed

Travel distance

Buzzer

The buzzer turns off by suspending communication.

Warning lamp/indicator 
lamp

ABS warning lamp

The lamp turns on by suspending communication.

SLIP indicator lamp

Brake warning lamp

AWD warning lamp

Malfunction indicator lamp

Low tire pressure warning lamp

The lamp turns ON after flashing for 1 minute.

High beam indicator lamp

The lamp turns off by suspending communication.

Turn signal indicator lamp

Light indicator lamp

Oil pressure warning lamp

CRUISE indicator lamp

O/D OFF indicator lamp

VDC OFF indicator lamp

AWD LOCK indicator lamp

Key warning lamp

Function

Specifications

Display contents of CONSULT

Diagnostic item is detected when ...

Refer to

CAN COMM CIRCUIT
[U1000]

When combination meter is not transmitting or receiving CAN communication signal 
for 2 seconds or more.

MWI-51, 

"Diagnosis

Procedure"

CONTROL UNIT (CAN)
[U1010]

When detecting error during the initial diagnosis of the CAN controller of combina-
tion meter.

MWI-52, 

"Diagnosis 

Procedure"

VEHICLE SPEED
[B2205]

The abnormal vehicle speed signal is input from the ABS actuator and electric unit 
(control unit) for 2 seconds or more.

MWI-53, 

"Diagnosis

Procedure"

ENGINE SPEED
[B2267]

If ECM continuously transmits abnormal engine speed signals for 2 seconds or 
more.

MWI-54, 

"Diagnosis 

Procedure"

WATER TEMP
[B2268]

If ECM continuously transmits abnormal engine coolant temperature signals for 60 
seconds or more.

MWI-55, 

"Diagnosis 

Procedure"

Revision: 2012 March

2011 Murano CrossCabriolet

WCS

BCM (BODY CONTROL MODULE)

WCS-25

< ECU DIAGNOSIS INFORMATION >

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BCM (BODY CONTROL MODULE)

List of ECU Reference

INFOID:0000000007125089

ECU

Reference

BCM

BCS-31, "Reference Value"

BCS-53, "Fail-safe"

BCS-53, "DTC Inspection Priority Chart"

BCS-54, "DTC Index"

Revision: 2012 March

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WCS-26

< WIRING DIAGRAM >

WARNING CHIME SYSTEM

WIRING DIAGRAM

WARNING CHIME SYSTEM

Wiring Diagram

INFOID:0000000006940115

JCNWA4162GB

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WCS

WARNING CHIME SYSTEM

WCS-27

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JCNWA4163GB

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WCS-28

< WIRING DIAGRAM >

WARNING CHIME SYSTEM

JCNWA4164GB

Revision: 2012 March

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WCS

WARNING CHIME SYSTEM

WCS-29

< WIRING DIAGRAM >

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JCNWA4165GB

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WCS-30

< WIRING DIAGRAM >

WARNING CHIME SYSTEM

JCNWA4166GB

Revision: 2012 March

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WCS

DIAGNOSIS AND REPAIR WORKFLOW

WCS-31

< BASIC INSPECTION >

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000006940082

OVERALL SEQUENCE

DETAILED FLOW

1.

OBTAIN INFORMATION ABOUT SYMPTOM

Interview the customer to obtain as much information as possible about the conditions and environment under
which the malfunction occurred.

>> GO TO 2.

2.

CHECK SYMPTOM

• Check the symptom based on the information obtained from the customer.
• Check if any other malfunctions are present.

>> GO TO 3.

3.

CHECK CONSULT SELF-DIAGNOSIS RESULTS

Connect CONSULT and perform self-diagnosis. Refer to 

MWI-21, "CONSULT Function"

.

JSNIA3754GB

Revision: 2012 March

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WCS-32

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

Are self-diagnosis results normal?

YES

>> GO TO 4.

NO

>> GO TO 5.

4.

NARROW DOWN MALFUNCTIONING PARTS BY SYMPTOM DIAGNOSIS

Perform symptom diagnosis and narrow down the malfunctioning parts.

>> GO TO 5.

5.

REPAIR OR REPLACE MALFUNCTIONING PARTS

Repair or replace malfunctioning parts.
NOTE:
If DTC is displayed, erase DTC after repairing or replacing malfunctioning parts.

>> GO TO 6.

6.

FINAL CHECK

Check that the warning buzzer in the combination meter operates normally.

Does it operate normally?

YES

>> INSPECTION END

NO

>> GO TO 1.

Revision: 2012 March

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WCS

POWER SUPPLY AND GROUND CIRCUIT

WCS-33

< DTC/CIRCUIT DIAGNOSIS >

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DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

COMBINATION METER

COMBINATION METER : Diagnosis Procedure

INFOID:0000000007134421

1.

CHECK FUSE

Check for blown fuses.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between combination meter harness connector terminals and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check harness between combination meter and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter connector.

3.

Check continuity between combination meter harness connector terminals and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Power source

Fuse No.

Battery

11

Ignition switch ON or START 

4

Terminals

Ignition switch po-

sition

Voltage

(Approx.)

(+)

(-)

Combination meter

Ground

Connector

Terminal

M34

1

OFF

Battery voltage

2

ON

Terminals

Continuity

(+)

(-)

Combination meter

Ground

Connector

Terminal

M34

3

Existed

4

23

Revision: 2012 March

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WCS-34

< DTC/CIRCUIT DIAGNOSIS >

METER BUZZER CIRCUIT

METER BUZZER CIRCUIT

Description

INFOID:0000000006940108

• The buzzer for warning chime system is installed in the combination meter.
• The combination meter sounds the alarm buzzer based on the signals transmitted from various units.

Component Function Check

INFOID:0000000006940109

1.

CHECK OPERATION OF METER BUZZER

1.

Select “BUZZER” of “BCM” on CONSULT.

2.

Perform “LIGHT WARN ALM” of “Active Test”.

Does meter buzzer beep?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

CHECK COMBINATION METER INPUT SIGNAL

Select the “Data Monitor” for the “METER/M&A” and check the “BUZZER” monitor value.

Is the inspection result normal?

YES

>> Replace combination meter.

NO

>> Replace BCM. Refer to 

BCS-78, "Removal and Installation"

.

Diagnosis Procedure

INFOID:0000000006940110

1.

CHECK POWER SUPPLY OF COMBINATION METER

Check power supply of combination meter. Refer to 

MWI-56, "COMBINATION METER : Diagnosis Proce-

dure"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair power supply circuit of combination meter. Refer to 

MWI-56, "COMBINATION METER :

Diagnosis Procedure"

.

BUZZER

Under the condition of buzzer input

: On

Except above

: Off

Revision: 2012 March

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WCS

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

WCS-35

< DTC/CIRCUIT DIAGNOSIS >

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SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

Description

INFOID:0000000006940111

Transmits a seat belt buckle switch signal (driver side) to the combination meter.

Component Function Check

INFOID:0000000006940112

1.

CHECK COMBINATION METER INPUT SIGNAL

Select the “Data Monitor” for the “METER/M&A” and check the “BUCKLE SW” monitor value.

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000006940113

1.

CHECK COMBINATION METER INPUT SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between combination meter harness connector terminal and ground.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-79, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK SEAT BELT BUCKLE SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter connector and seat belt buckle switch (driver side) connector.

3.

Check continuity between combination meter harness connector terminal and seat belt buckle switch
(driver side) harness connector terminal.

4.

Check harness continuity between combination meter harness connector terminal and ground.

Is the inspection result normal?

BUCKLE SW

When seat belt is fastened

: Off

When seat belt is unfastened

: On

Terminals

Condition

Voltage

(Approx.)

(+)

(-)

Combination meter

Ground

Connector

Terminal

M34

35

When seat belt is fastened

12 V

When seat belt is unfastened

0 V

Terminals

Continuity

(+)

(-)

Combination meter

Seat belt buckle switch(driver side)

Connector

Terminal

Connector

Terminal

M34

35

B449

40

Exist

Terminals

Continuity

(+)

(-)

Combination meter

Ground

Connector

Terminal

M34

35

Not existed

Revision: 2012 March

2011 Murano CrossCabriolet

WCS-36

< DTC/CIRCUIT DIAGNOSIS >

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT

Check harness continuity between seat belt buckle switch (driver side) harness connector terminal and
ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Component Inspection

INFOID:0000000006940114

1.

CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE)

1.

Turn ignition switch OFF.

2.

Disconnect the seat belt buckle switch (driver side) connector.

3.

Check continuity between terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace the seat belt buckle. Refer to 

SB-7, "SEAT BELT BUCKLE : Removal and Installation"

.

Terminals

Continuity

(+)

(-)

Combination  meter

Ground

Connector

Terminal

B449

41

Exist

Terminals

Condition

Continuity

(+)

(-)

Seat belt buckle switch (driver side)

Connector

Terminal

Connector

Terminal

B449

40

B449

41

When seat belt is fastened

Not existed

When seat belt is unfastened

Exist

Revision: 2012 March

2011 Murano CrossCabriolet

WCS

THE PARKING BRAKE RELEASE WARNING CONTINUES SOUNDING, OR 

DOES NOT SOUND

WCS-37

< SYMPTOM DIAGNOSIS >

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SYMPTOM DIAGNOSIS

THE PARKING BRAKE RELEASE WARNING CONTINUES SOUNDING, OR
DOES NOT SOUND

Description

INFOID:0000000006940125

• The parking brake warning buzzer sounds continuously during vehicle travel though the parking brake is

released.

• The parking brake warning buzzer does not sound at all even though driving the vehicle with the parking

brake applied.

Diagnosis Procedure

INFOID:0000000006940126

1.

CHECK PARKING BRAKE WARNING LAMP

1.

Start the engine.

2.

Check the operation of the brake warning lamp by operating the parking brake.

Is the inspection result normal?

YES

>> Replace the combination meter. Refer to 

MWI-79, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT

Perform a check for the parking brake switch signal circuit. Refer to 

MWI-65, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK PARKING BRAKE SWITCH

Perform a unit check for the parking brake switch. Refer to 

MWI-65, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace the combination meter. Refer to 

MWI-79, "Removal and Installation"

.

NO

>> Replace the parking brake switch. Refer to 

PB-6, "Exploded View"

.

When parking brake is applied

: ON

When parking brake is released

: OFF

Revision: 2012 March

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WCS-38

< SYMPTOM DIAGNOSIS >

THE LIGHT REMINDER WARNING DOES NOT SOUND

THE LIGHT REMINDER WARNING DOES NOT SOUND

Description

INFOID:0000000006940127

Light reminder warning chime does not sound even though headlamp is illuminated.

Diagnosis Procedure

INFOID:0000000006940128

1.

CHECK COMBINATION SWITCH (LIGHT SWITCH) OPERATION

Check that the headlamps operate normally by operating the combination switch (light switch).

Do they operate normally?

YES

>> GO TO 2.

NO

>> Refer to 

EXL-82, "Symptom Table"

.

2.

CHECK FRONT DOOR SWITCH (DRIVER SIDE) SIGNAL CIRCUIT

Perform the check for the front door switch (driver side) signal circuit. Refer to 

DLK-83, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK FRONT DOOR SWITCH (DRIVER SIDE)

Perform a unit check for the front door switch (driver side). Refer to 

DLK-84, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace the BCM. Refer to 

BCS-78, "Removal and Installation"

.

NO

>> Replace the front door switch (driver side). Refer to 

DLK-198, "Removal and Installation"

.

Revision: 2012 March

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WCS

THE SEAT BELT WARNING CONTINUES SOUNDING, OR DOES NOT SOUND

WCS-39

< SYMPTOM DIAGNOSIS >

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THE SEAT BELT WARNING CONTINUES SOUNDING, OR DOES NOT
SOUND

Description

INFOID:0000000006940129

• Seat belt reminder warning does not sound.
• Seat belt reminder warning sounds continuously.

Diagnosis Procedure

INFOID:0000000006940130

1.

CHECK SEAT BELT WARNING LAMP

1.

Turn ignition switch ON.

2.

Check the operation of the seat belt warning lamp in the combination meter.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 4.

2.

CHECK BCM OUTPUT SIGNAL

Check if the light reminder warning chime is activated by performing BCM active test. Refer to 

WCS-16,

"BUZZER : CONSULT Function (BCM - BUZZER)"

. 

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 3.

3.

CHECK COMBINATION METER INPUT SIGNAL

Check if buzzer switches to proper condition (On/Off) on data monitor of combination meter. Refer to 

MWI-21,

"CONSULT Function"

. 

Is the inspection result normal?

YES

>> Replace the combination meter. Refer to 

MWI-79, "Removal and Installation"

.

NO

>> Replace the BCM. Refer to 

BCS-78, "Removal and Installation"

.

4.

CHECK SEAT BELT BUCKLE SWITCH CIRCUIT

Perform the check for the seat belt buckle switch circuit. Refer to 

WCS-35, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair harness or connector.

5.

CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE)

Perform a unit check for the seat belt buckle switch (driver side). Refer to 

WCS-36, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace the combination meter. Refer to 

MWI-79, "Removal and Installation"

.

NO

>> Replace the seat belt buckle. Refer to 

SB-7, "SEAT BELT BUCKLE : Removal and Installation"

.

Seat belt fastened

: OFF

Seat belt not fastened

: ON

Buzzer active condition

: On

Buzzer non-active condition

: Off

Revision: 2012 March

2011 Murano CrossCabriolet