Nissan Murano Z51 (2012 year). Manual — part 90

The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SRS AIR BAG” and “SEAT BELT” of this
Service Manual.

WARNING:

Always observe the following items for preventing accidental activation.
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in

the event of a collision that would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.

• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal

injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see “SRS AIR BAG”.

• Never use electrical test equipment on any circuit related to the SRS unless instructed to in this Ser-

vice Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness
connectors.

PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS

WARNING:

Always observe the following items for preventing accidental activation.
• When working near the Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the

ignition ON or engine running, never use air or electric power tools or strike near the sensor(s) with
a hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.

• When using air or electric power tools or hammers, always switch the ignition OFF, disconnect the

battery, and wait at least 3 minutes before performing any service.

Service Notice and Precautions for TPMS

INFOID:0000000007544920

• Low tire pressure warning lamp blinks for 1min, then turns ON when occurring any malfunction except low

tire pressure. Delete the memory with CONSULT, or register the ID to turn low tire pressure warning lamp
OFF. Refer to

WT-9, "AIR PRESSURE MONITOR : CONSULT Function (BCM - AIR PRESSURE MONI-

TOR)"

WT-18, "Work Procedure"

• ID registration is required when replacing or rotating wheels, replacing tire pressure sensor or BCM. Refer to

BCS-83, "Exploded View"

• Replace grommet seal, valve core and cap of tire pressure sensor in TPMS every tire replacement by reach-

ing wear limit of tire. Refer to

WT-45, "Exploded View"

Service Notice and Precautions for Road Wheel

INFOID:0000000007705390

• Genuine NISSAN aluminum wheel is designed for each type of vehicle. Use it on the specified vehicle only.
• Use Genuine NISSAN parts for the wheel nuts.
• Always use them after adjusting the wheel balance. For the balance weights, use Genuine NISSAN alumi-

num wheel weights.

• Use caution when handling the aluminum wheels, because they can be easily scratched. When removing

dirt, do not use any abrasives, a wire brush, or other items that may scratch the coating. Use a neutral deter-
gent if a detergent is needed.

• After driving on roads scattered with anti-icing salts, wash off the wheels completely.
• When installing road wheels onto the vehicle, always wipe off any dirt or foreign substances to prevent them

from being trapped between the contact surfaces of wheel.

• Never apply oil to nut and bolt threads.

Revision: 2013 February

2012 MURANO

WT-4

< PREPARATION >

PREPARATION

PREPARATION

Special Service Tool

INFOID:0000000007544923

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Commercial Service Tool

INFOID:0000000007544924

Tool number
(Kent-Moore No.)
Tool name

Description

–
(J-45295)
Tire pressure sensor activation tool

Tire pressure sensor wake-up procedure and
ID registration.

SEIA0462E

Tool name

Description

Power tool

Loosening bolts and nuts

PBIC0190E

Revision: 2013 February

2012 MURANO

COMPONENT PARTS

WT-5

< SYSTEM DESCRIPTION >

SYSTEM DESCRIPTION

COMPONENT PARTS

Component Parts Location

INFOID:0000000007544925

Component Description

INFOID:0000000007544926

BCM

INFOID:0000000007544927

The BCM reads the air pressure signal received by the tire pressure receiver, and controls the low tire pres-
sure warning lamp operation. It also has a judgment function to detect a system malfunction.

Tire pressure sensor

BCM

Tire pressure receiver

Wheel

Behind of combination meter

Instrument lower panel LH

Low tire pressure warning lamp, infor-
mation display (in combination meter)

JSEIA0308ZZ

Component parts

Function

BCM (Body Control Module)

WT-5, "BCM"

Tire pressure sensor

WT-6, "Tire Pressure Sensor"

Tire pressure receiver

WT-6, "Tire Pressure Receiver"

Turn signal lamp

ID registration of each wheel has been completed, turn signal lamp flashes.

Combination meter

Transmits the vehicle speed signal via CAN communication to BCM.

Receives the following signals via CAN communication to BCM.
• Low tire pressure warning lamp signal
• TPMS malfunction warning lamp signal

Low tire pressure warning lamp

WT-7, "System Description"

Information display

WT-6, "Information Display"

Revision: 2013 February

2012 MURANO

WT-6

< SYSTEM DESCRIPTION >

COMPONENT PARTS

Tire Pressure Sensor

INFOID:0000000007544928

The tire pressure sensor integrated with a valve is installed on a wheel, and transmits a detected air pressure
signal by radio wave.

Tire Pressure Receiver

INFOID:0000000007544929

The tire pressure receiver receives the air pressure signal transmitted by the tire pressure sensor in each
wheel.

Information Display

INFOID:0000000007544930

The vehicle information display is shown when a low tire pressure warning lamp signal is transmitted from
BCM to combination meter via CAN communication.

Condition

Vehicle information display

Ignition switch OFF

Non-indication

Low tire pressure

Indication

Revision: 2013 February

2012 MURANO

SYSTEM

WT-7

< SYSTEM DESCRIPTION >

SYSTEM

System Description

INFOID:0000000007544931

During driving, the TPMS (Tire Pressure Monitoring System) receives the signal transmitted from tire pressure
sensor installed in each wheel. The BCM (Body Control Module) of this system has pressure judgment and
trouble diagnosis functions. When the tire pressure monitoring system detects low inflation pressure or
another unusual symptom, the low tire pressure warning lamps in the combination meter comes on.

SYSTEM DIAGRAM

INPUT/OUTPUT SIGNAL

The signal transmission/reception between units via a communication line is mainly as listed in the following
table.

LOW TIRE PRESSURE WARNING LAMP INDICATION CONDITION

Uses CAN communication from the BCM to illuminate the low tire pressure warning lamp on the combination
meter.

JSEIA0157GB

Component parts

Signal item

BCM

Transmits the following signals via CAN communication to combination meter.
• Low tire pressure warning lamp signal
• TPMS malfunction warning lamp signal

Combination meter

Transmits the vehicle speed signal via CAN communication to BCM.

Condition

Low tire pressure warning lamp

Ignition switch OFF

OFF

Ignition switch ON
(system normal)

Warning lamp turns on for 1second, then turns off.

Low tire pressure

Tire Pressure Sensor ID not registered in BCM

Tire pressure monitoring system malfunction
(Other diagnostic item)

Warning lamp blinks 1 min, then turns on.

Tire pressure sensor is in OFF state

Blink

(Blinking pattern depends on the positions of non-operational tire pressure sensors.)

Revision: 2013 February

2012 MURANO

WT-8

< SYSTEM DESCRIPTION >

DIAGNOSIS SYSTEM (BCM)

DIAGNOSIS SYSTEM (BCM)

COMMON ITEM

COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)

INFOID:0000000007814658

APPLICATION ITEM

CONSULT performs the following functions via CAN communication with BCM.

SYSTEM APPLICATION

BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the following for all sub system selection items.

: Applicable item

NOTE:

• *1: For models with rain sensor this mode is displayed, but is not used.

• *2: This item is displayed, but is not used.

FREEZE FRAME DATA (FFD)

Diagnosis mode

Function Description

Work Support

Changes the setting for each system function.

Self Diagnostic Result

Displays the diagnosis results judged by BCM.

CAN Diag Support Monitor

Monitors the reception status of CAN communication viewed from BCM.

Data Monitor

The BCM input/output signals are displayed.

Active Test

The signals used to activate each device are forcibly supplied from BCM.

Ecu Identification

The BCM part number is displayed.

Configuration

• Read and save the vehicle specification.
• Write the vehicle specification when replacing BCM.

System

Sub system selection item

Diagnosis mode

Work Support

Data Monitor

Active Test

Door lock

DOOR LOCK

Rear window defogger

REAR DEFOGGER

Warning chime

BUZZER

Interior room lamp timer

INT LAMP

Exterior lamp

HEAD LAMP

Wiper and washer

WIPER

Turn signal and hazard warning lamps

FLASHER

—

AIR CONDITONER*

• Intelligent Key system
• Engine start system

INTELLIGENT KEY

Combination switch

COMB SW

Body control system

BCM

NVIS - NATS

IMMU

Interior room lamp battery saver

BATTERY SAVER

Back door opener system

TRUNK

Vehicle security system

THEFT ALM

RAP system

RETAINED PWR

Signal buffer system

SIGNAL BUFFER

TPMS

TPMS (AIR PRESSURE MONITOR)

Revision: 2013 February

2012 MURANO

DIAGNOSIS SYSTEM (BCM)

WT-9

< SYSTEM DESCRIPTION >

The BCM records the following vehicle condition at the time a particular DTC is detected, and displays on
CONSULT.

NOTE:

*: Power supply position shifts to “LOCK” from “OFF”, when ignition switch is in the OFF position, selector lever is in the P position, and
any of the following conditions are met.

• Closing door

• Opening door

• Door is locked using door request switch

• Door is locked using Intelligent Key

The power supply position shifts to “ACC” when the push-button ignition switch (push switch) is pushed at “LOCK”.

AIR PRESSURE MONITOR

AIR PRESSURE MONITOR : CONSULT Function (BCM - AIR PRESSURE MONI-
TOR)

INFOID:0000000007544933

APPLICATION ITEMS

CONSULT screen item

Indication/Unit

Description

Vehicle Speed

km/h

Vehicle speed of the moment a particular DTC is detected

Odo/Trip Meter

Total mileage (Odometer value) of the moment a particular DTC is detected

Vehicle Condition

SLEEP>LOCK

Power position status of
the moment a particular
DTC is detected

While turning BCM status from low power consumption mode to
normal mode (Power supply position is “LOCK”*)

SLEEP>OFF

While turning BCM status from low power consumption mode to
normal mode (Power supply position is “OFF”.)

LOCK>ACC

While turning power supply position from “LOCK” to “ACC”

ACC>ON

While turning power supply position from “ACC” to “IGN”

RUN>ACC

While turning power supply position from “RUN” to “ACC” (Vehicle
is stopping and selector lever is except P position.)

CRANK>RUN

While turning power supply position from “CRANKING” to “RUN”
(From cranking up the engine to run it)

RUN>URGENT

While turning power supply position from “RUN“ to “ACC” (Emer-
gency stop operation)

ACC>OFF

While turning power supply position from “ACC” to “OFF”

OFF>LOCK

While turning power supply position from “OFF” to “LOCK”*

OFF>ACC

While turning power supply position from “OFF” to “ACC”

ON>CRANK

While turning power supply position from “IGN” to “CRANKING”

OFF>SLEEP

While turning BCM status from normal mode (Power supply posi-
tion is “OFF”.) to low power consumption mode

LOCK>SLEEP

While turning BCM status from normal mode (Power supply posi-
tion is “LOCK”*) to low power consumption mode

LOCK

Power supply position is “LOCK”*

OFF

Power supply position is “OFF” (Ignition switch OFF)

ACC

Power supply position is “ACC” (Ignition switch ACC)

Power supply position is “IGN” (Ignition switch ON with engine
stopped)

ENGINE RUN

Power supply position is “RUN” (Ignition switch ON with engine
running)

CRANKING

Power supply position is “CRANKING” (At engine cranking)

IGN Counter

0 - 39

The number of times that ignition switch is turned ON after DTC is detected
• The number is 0 when a malfunction is detected now.
• The number increases like 1

→

3...38

→

39 after returning to the normal condition

whenever ignition switch OFF

→

ON.

• The number is fixed to 39 until the self-diagnosis results are erased if it is over 39.

Revision: 2013 February

2012 MURANO

WT-10

< SYSTEM DESCRIPTION >

DIAGNOSIS SYSTEM (BCM)

CONSULT performs the following functions via CAN communication with BCM.

SELF DIAGNOSTIC RESULT

Refer to

BCS-76, "DTC Index"

When “CRNT” is displayed on self-diagnosis result,

• The system is presently malfunctioning.

When “PAST” is displayed on self-diagnosis result,

• System malfunction in the past is detected, but the system is presently normal.

DATA MONITOR MODE

Screen of data monitor mode is displayed.
NOTE:
When malfunction is detected, CONSULT perform REAL-TIME DIAGNOSIS.
Also, any malfunction detected while in this mode will be displayed at real time.

NOTE:
Before performing the self-diagnosis, be sure to register the ID, or erase the actual malfunction location may
be different from that displayed on CONSULT.

ACTIVE TEST MODE

NOTE:
Before performing the self-diagnosis, be sure to register the ID, or erase the actual malfunction may be differ-
ent from that displayed on CONSULT.

TEST ITEM LIST

WORK SUPPORT MODE

Diagnosis mode

Function Description

Self Diagnostic Result

Displays the diagnosis results judged by BCM.

Data Monitor

The BCM input/output signals are displayed.

Active Test

The signals used to activate each device are forcibly supplied from BCM.

Work Support

Components can be quickly and accurately adjusted.

Monitor item (Unit)

Remark

AIR PRESS FL (kPa//kg/cm

/Psi)

Tire pressure

AIR PRESS FR (kPa//kg/cm

/Psi)

AIR PRESS RR (kPa//kg/cm

/Psi)

AIR PRESS RL (kPa//kg/cm

/Psi)

ID REGST FL1 (Green/Red)

Registration ID

ID REGST FR1 (Green/Red)

ID REGST RR1 (Green/Red)

ID REGST RL1 (Green/Red)

WARNING LAMP (On/Off)

Low tire pressure warning lamp

BUZZER (On/Off)

NOTE:
This item is displayed, but cannot be use this item.

Test item

Content

WARNING LAMP

This test is able to check to check that the low tire pressure warning lamp turns on.

ID REGIST WARNING

This test is able to check to check that the low tire pressure warning lamp turns on.

FLASHER

This test is able to check to check that each turn signal lamp turns on.

HORN

This test is able to check to check that the horn sounds.

Revision: 2013 February

2012 MURANO

DIAGNOSIS SYSTEM (BCM)

WT-11

< SYSTEM DESCRIPTION >

Item

Description

ID READ

Registered tire pressure sensor ID can be displayed.

ID REGIST

Tire pressure sensor ID can be registered.

Revision: 2013 February

2012 MURANO

WT-12

< ECU DIAGNOSIS INFORMATION >

BCM

ECU DIAGNOSIS INFORMATION

BCM

List of ECU Reference

INFOID:0000000007544934

ECU

Reference

BCM

BCS-47, "Reference Value"

BCS-74, "Fail-safe"

BCS-75, "DTC Inspection Priority Chart"

BCS-76, "DTC Index"

Revision: 2013 February

2012 MURANO

TIRE PRESSURE MONITORING SYSTEM

WT-13

< WIRING DIAGRAM >

WIRING DIAGRAM

TIRE PRESSURE MONITORING SYSTEM

Wiring Diagram

INFOID:0000000007544935

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

(option abbreviation; if not

described in wiring diagram), refer to

GI-12, "Connector Information"

JCEWM0254GB

Revision: 2013 February

2012 MURANO

WT-14

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORK FLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORK FLOW

Work Flow

INFOID:0000000007544936

DETAILED FLOW

COLLECT THE INFORMATION FROM THE CUSTOMER

It is also important to clarify customer concerns before starting the inspection. Reproduce the symptom, and
understand it fully. Interview the customer about the concerns carefully. In some cases, it is necessary to
check the symptoms by driving the vehicle with the customer.

CAUTION:

Customers are not professionals. Never assume“maybe the customer means...” or “maybe the cus-
tomer mentioned this symptom.

>> GO TO 2.

BASIC INSPECTION

Turn the ignition switch ON.

CAUTION:

Never start the engine.

Check the tire pressure for all wheels and adjust to the specified value. Refer to

WT-48, "Tire Air Pres-

sure"

Is the inspection result normal?

YES

>> GO TO 3.

>> Inspect or repair the tires or wheels.

CHECK LOW TIRE PRESSURE WARNING LAMP

Check low tire pressure warning lamp display.
Does not low tire pressure warning lamp turn OFF?

YES

>> GO TO 4.

>> INSPECTION END

CRUISE TEST

Start the engine and drive the vehicle.

>> GO TO 5.

PERFORM SELF-DIAGNOSIS

With CONSULT

Perform “SELF-DIAG RESULTS”.

Is any DTC detected?

YES

>> Record or print DTC and freeze frame data (FFD). GO TO 7.

>> GO TO 6.

CHECK SYMPTOM

Perform trouble diagnosis for the applicable symptom. Refer to

WT-33, "Symptom Table"

Is the cause of the malfunction detected?

YES

>> GO TO 8.

>> GO TO 10.

CIRCUIT DIAGNOSIS

Inspect the malfunctioning system indicated by the DTC code that is detected during self-diagnosis. Refer to

BCS-76, "DTC Index"

>> GO TO 8.

Revision: 2013 February

2012 MURANO

DIAGNOSIS AND REPAIR WORK FLOW

WT-15

< BASIC INSPECTION >

REPAIR WORK

Repair or replace the malfunctioning part.

>> GO TO 9.

PERFORM SELF-DIAGNOSIS

Select “SELF-DIAG RESULTS” in “AIR PRESSURE MONITOR” of “BCM”.

Touch “ERASE” on CONSULT screen to erase memory of the low tire pressure warning control unit.

Drive the vehicle.

Perform “SELF-DIAG RESULTS” in “AIR PRESSURE MONITOR” of “BCM”.

Is any DTC detected?

YES

>> GO TO 7.

>> GO TO 10.

10.

FINAL CHECK

Perform a cruise test.

Check that the low tire pressure warning lamp turn OFF.

Dose the tire pressure warning lamp turn OFF?

YES

>> INSPECTION END

>> GO TO 2.

Revision: 2013 February

2012 MURANO

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Nissan Murano Z51 (2012 year). Manual — part 90

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