Nissan Murano Z51 (2008 year). Manual — part 319

Symptom is described, DTC is detected>>GO TO 3.
Symptom is described, DTC is not detected>>GO TO 4.
Symptom is not described, DTC is detected>>GO TO 5.

CONFIRM THE SYMPTOM

Confirm the symptom described by the customer.
Connect CONSULT-III to the vehicle in “DATA MONITOR” mode and check real time diagnosis results.
Verify relation between the symptom and the condition when the symptom is detected.

>> GO TO 5.

CONFIRM THE SYMPTOM

Confirm the symptom described by the customer.
Connect CONSULT-III to the vehicle in “DATA MONITOR ” mode and check real time diagnosis results.
Verify relation between the symptom and the condition when the symptom is detected.

>> GO TO 6.

PERFORM DTC CONFIRMATION PROCEDURE

Perform DTC Confirmation Procedure for the detected DTC, and then check that DTC is detected again.
At this time, always connect CONSULT-III to the vehicle, and check diagnostic results in real time.
If two or more DTCs are detected, refer to

SEC-209, "DTC Inspection Priority Chart"

(BCM) or

SEC-226,

"DTC Index"

(IPDM E/R), and determine trouble diagnosis order.

Is DTC detected?

YES

>> GO TO 7.

>> Refer to

GI-40, "Intermittent Incident"

DETECT MALFUNCTIONING SYSTEM BY SYMPTOM DIAGNOSIS

Detect malfunctioning system according to SYMPTOM DIAGNOSIS based on the confirmed symptom in step
4, and determine the trouble diagnosis order based on possible causes and symptom.

>> GO TO 7.

DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE

Inspect according to Diagnostic Procedure of the system.
NOTE:
The Diagnostic Procedure described based on open circuit inspection. A short circuit inspection is also
required for the circuit check in the Diagnostic Procedure.

Is malfunctioning part detected?

YES

>> GO TO 8.

>> Check voltage of related BCM terminals using CONSULT-III.

REPAIR OR REPLACE THE MALFUNCTIONING PART

Revision: 2008 October

2009 Murano

SEC-10

< BASIC INSPECTION >

[WITH INTELLIGENT KEY SYSTEM]

DIAGNOSIS AND REPAIR WORK FLOW

Repair or replace the malfunctioning part.

Reconnect parts or connectors disconnected during Diagnostic Procedure again after repair and replace-
ment.

Check DTC. If DTC is detected, erase it.

>> GO TO 9.

FINAL CHECK

When DTC was detected in step 2, perform DTC Confirmation Procedure or Component Function Check
again, and then check that the malfunction has been repaired securely.
When symptom was described from the customer, refer to confirmed symptom in step 3 or 4, and check that
the symptom is not detected.
Does the symptom reappear?

YES (DTC is detected)>>GO TO 7.
YES (Symptom remains)>>GO TO 6.
NO

>> INSPECTION END

Revision: 2008 October

2009 Murano

INSPECTION AND ADJUSTMENT

SEC-11

< BASIC INSPECTION >

[WITH INTELLIGENT KEY SYSTEM]

SEC

INSPECTION AND ADJUSTMENT

ECM RECOMMUNICATING FUNCTION

ECM RECOMMUNICATING FUNCTION : Description

INFOID:0000000003375578

Performing following procedure can automatically perform re-communication of ECM and BCM, but only when
the ECM has been replaced with a new one*.
*: New one means a virgin ECM which has never been energized on-board.
(In this step, initialization procedure by CONSULT-III is not necessary)
NOTE:
• When registering new Key IDs or replacing the ECM that is not brand new, refer to CONSULT-III Oper-

ation Manual NATS-IVIS/NVIS.

• If multiple keys are attached to the key holder, separate them before work.
• Distinguish keys with unregistered key ID from those with registered ID.

ECM RECOMMUNICATING FUNCTION : Special Repair Requirement

INFOID:0000000003375579

PERFORM ECM RECOMMUNICATING FUNCTION

Install ECM.

Insert the registered Intelligent Key*, turn ignition switch to “ON”.
*: To perform this step, use the key that has been used before performing ECM replacement.

Maintain ignition switch in “ON” position for at least 5 seconds.

Turn ignition switch to “OFF”.

Start engine.

Can engine be started?

YES

>> Procedure is completed.

>> Initialize control unit. Refer to CONSULT-III Operation Manual NATS-IVIS/NVIS.

Revision: 2008 October

2009 Murano

SEC-12

< FUNCTION DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION

FUNCTION DIAGNOSIS

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION

System Diagram

INFOID:0000000003375580

System Description

INFOID:0000000003375581

SYSTEM DESCRIPTION

• The engine start function of Intelligent Key system is a system that makes it possible to start and stop the

engine without removing the key. It verifies the electronic ID using two-way communications when pressing
the push-button ignition switch while carrying the Intelligent Key, which operates based on the results of
electronic ID verification for Intelligent Key using two-way communications between the Intelligent Key and
the vehicle.
NOTE:
The driver should carry the Intelligent Key at all times.

• Intelligent Key has 2 IDs [for Intelligent Key and for NVIS (NATS)]. It can perform the door lock/unlock oper-

ation and the push-button ignition switch operation when the registered Intelligent Key is carried.

• When the Intelligent Key battery is discharged, it can be used as emergency back-up by inserting the Intelli-

gent Key to the key slot. At that time, perform the NVIS (NATS) ID verification. If it is used when the Intelli-
gent Key is carried, perform the Intelligent Key ID verification.

• If the ID is successfully verified, and when push-button ignition switch is pressed, steering lock will be

released and initiating the engine will be possible.

JMKIA3682GB

Revision: 2008 October

2009 Murano

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION

SEC-13

< FUNCTION DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SEC

• If the door lock/unlock operation is performed when the Intelligent Key battery is discharged, all doors lock/

unlock can be performed by operating the driver door key cylinder using the mechanical key set in the Intel-
ligent Key.

• Intelligent Key can be registered up to 4 keys (Including the standard Intelligent Key) on request from the

owner.
NOTE:
• Refer to

DLK-22, "INTELLIGENT KEY SYSTEM : System Description"

for any functions other than engine

start function of Intelligent Key system.

PRECAUTIONS FOR INTELLIGENT KEY SYSTEM

• In the Intelligent Key system, the transponder [the chip for NVIS (NATS) ID verification] is integrated

into the Intelligent Key. (For the conventional models, it is integrated into the mechanical key.) There-
fore, the mechanical key cannot perform the ID verification, and thus it cannot start the engine.
Instead, the NVIS (NATS) ID verification can be performed by inserting the Intelligent Key into the key
slot, and then it can start the engine.

OPERATION WHEN INTELLIGENT KEY IS CARRIED

When the push-button ignition switch is pressed, the BCM signals the inside key antenna and transmits
the request signal to the Intelligent Key.

The Intelligent Key receives the request signal and transmits the Intelligent Key ID signal to the BCM via
the remote keyless entry receiver.

The Intelligent Key receives the Intelligent Key ID signal and verifies it with the registered ID.

BCM transmits the steering lock unlock signal to steering lock unit and IPDM E/R if the verification results
are OK.

IPDM E/R turns the steering lock relay ON and supplies power to the steering lock unit.

Release of the steering lock.

BCM transmits the power supply stop signal to IPDM E/R when it confirms that the steering lock is in the
unlock condition.

IPDM E/R turns the steering lock relay OFF and stops power supply to the steering lock unit.

BCM turns ACC relay ON and transmits the ignition power supply ON signal to IPDM E/R.

10. IPDM E/R turns the ignition relay ON and starts the ignition power supply.

11. BCM confirms that the shift position is P or N.
12. BCM transmits the starter request signal via CAN communication to IPDM E/R and turns the starter relay

in IPDM E/R ON if BCM judges that the engine start condition is satisfied.

13. IPDM E/R turns the starter control relay ON when receiving the starter request signal.
14. Battery power is supplied through the starter relay and the starter control relay to operate the starter motor

and to start the cranking.

CAUTION:

If a malfunction is detected in the Intelligent Key system, the “KEY” warning lamp in the combina-
tion meter illuminates. At that time, the engine cannot be started.

15. When BCM received feedback signal from ECM acknowledging the engine has been initiated, the BCM

transmits a stop signal to IPDM E/R and stops the cranking by turning OFF the starter motor relay. (If the
engine initiating has failed, the cranking will stop automatically within 5 seconds.)

CAUTION:

When the Intelligent Key is carried outside of the vehicle (inside key antenna detection area) with
the power supply in ACC or ON position, even if the engine start condition* is satisfied, the engine
cannot be started.

*: For the engine start condition, refer to “PUSH-BUTTON IGNITION SWITCH OPERATION PROCEDURE”.

OPERATION RANGE

Engine can be started when Intelligent Key is inside the vehicle. However, sometimes engine might not start
when Intelligent Key is on instrument panel or in glove box.

OPERATION WHEN KEY SLOT IS USED

When the Intelligent Key battery is discharged, it performs the NVIS (NATS) ID verification between the inte-
grated transponder and BCM by inserting the Intelligent Key into the key slot, and then the engine can be
started.
For details relating to starting the engine using key slot, refer to

SEC-18, "System Description"

Revision: 2008 October

2009 Murano

SEC-14

< FUNCTION DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION

BATTERY SAVER SYSTEM

When all the following conditions are met for 60 minutes, the battery saver system will cut off the power supply
to prevent battery discharge.
• The ignition switch is in the ACC position
• All doors are closed
• Selector lever is in the P position

Reset Condition of Battery Saver System

In order to prevent the battery from discharging, the battery saver system will cut off the power supply when all
doors are closed, the selector lever is on P position and the ignition switch is left on ACC position for 60 min-
utes. If any of the following conditions are met the battery saver system is released and the steering will
change automatically to lock position from OFF position.
• Opening any door
• Operating with request switch on door lock
• Operating with Intelligent Key on door lock
Press push-button ignition switch and ignition switch will change to ACC position from OFF position.

STEERING LOCK OPERATION

Steering is locked by steering lock unit when ignition switch is in the OFF position, selector lever is in the P
position and any of the following conditions are met.
• Opening door
• Closing door
• Door is locked with request switch
• Door is locked with Intelligent Key

POWER SUPPLY POSITION CHANGE TABLE BY PUSH-BUTTON IGNITION SWITCH OPERA-
TION

The power supply position changing operation can be performed with the following operations.
NOTE:
• When an Intelligent Key is within the detection area of inside key antenna and when it is inserted to the key

slot, it is equivalent to the operations below.

• When starting the engine, the BCM monitors under the engine start conditions,
- Brake pedal operating condition
- Selector lever position
- Vehicle speed

Vehicle speed: less than 4 km/h (2.5 MPH)

Vehicle speed: 4 km/h (2.5 MPH) or more

Emergency stop operation

• Press and hold the push-button ignition switch for 2 seconds or more.

Power supply position

Engine start/stop condition

Push-button ignition switch

operation frequency

Selector lever

Brake pedal operation condi-

tion

LOCK

→

ACC

—

Not depressed

LOCK

→

ACC

→

—

Not depressed

LOCK

→

ACC

→

OFF

—

Not depressed

LOCK

→

START

ACC

→

START

→

START

P or N position

Depressed

Engine is running

→

OFF

—

Power supply position

Engine start/stop condition

Push-button ignition switch

operation frequency

Selector lever

Brake pedal operation condi-

tion

Engine is running

→

ACC

—

Emergency stop operation

Engine stall return operation while
driving

N position

Not depressed

Revision: 2008 October

2009 Murano

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION

SEC-15

< FUNCTION DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SEC

• Press the push-button ignition switch 3 times or more within 1.5 seconds.

Component Parts Location

INFOID:0000000003375582

BCM M118, M119, M121, M122, M123

TCM F23

IPDM E/R E10, E11, F12

ECM E16

Push-button ignition switch M101

Key slot M99

Combination meter (key warning lamp)
M34

Security indicator lamp M100

Horn (high) E340, E341

10. Horn (low) E342, E343

11.

Control device (detention switch) M57 12. Stop lamp switch

TYPE A: E115
TYPE B: E116

13. Remote keyless entry receiver M78

Behind the combination meter

Engine room (LH)

View with the center console as-
sembly removed

Behind the instrument lower panel LH

Behind the instrument lower panel RH

JMKIA1825ZZ

Revision: 2008 October

2009 Murano

SEC-16

< FUNCTION DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION

Component Description

INFOID:0000000003375583

Inside key antenna (instrument cen-
ter) M105

Inside key antenna (console) M305

Inside key antenna (luggage room)
B86

Back door lock assembly (back door
switch) D180

Front door switch (driver side) B34

power window main switch (door
lock and unlock switch) D5, D6

Front power window switch (passen-
ger side) D45

Behind the cluster lid C assembly

Under the rear seat seatback

JMKIA1826ZZ

Component Reference

BCM

SEC-98

Steering lock unit

SEC-86

Push-button ignition switch

SEC-99

Door switch

DLK-103

Revision: 2008 October

2009 Murano

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION

SEC-17

< FUNCTION DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SEC

Control device (detention switch)

SEC-65

Inside key antenna

DLK-95

Remote keyless entry receiver

DLK-120

Stop lamp switch

SEC-59

Park/neutral position switch

SEC-73

Steering lock relay

SEC-77

Starter relay

SEC-80

Starter control relay

SEC-109

Security indicator lamp

SEC-120

Key warning lamp

SEC-122

Component Reference

Revision: 2008 October

2009 Murano

SEC-18

< FUNCTION DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS

NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS

System Diagram

INFOID:0000000003375584

System Description

INFOID:0000000003375585

SYSTEM DESCRIPTION

• The NVIS (NATS) is an anti-theft system by registering an Intelligent Key ID in to the vehicle and prevents

the engine being started by an unregistered Intelligent Key. It has a higher protection against auto thefts that
duplicate mechanical key.

• It performs the ID verification when starting the engine in the same way as the Intelligent Key system. But, it

performs the NVIS (NATS) ID verification when inserting the Intelligent Key and performs the Intelligent Key
ID verification when carrying the Intelligent Key.

• The mechanical key integrated in the Intelligent Key cannot start the engine. When the Intelligent Key bat-

tery is discharged, the NVIS (NATS) ID verification memorized to the transponder integrated with Intelligent
Key is performed by inserting the Intelligent Key into the key slot. If the verification results are OK, the
engine start operation can be performed by the push-button ignition switch operation.

• Locate the security indicator and apply the anti-theft system equipment sticker, forewarn that the NVIS

(NATS) is onboard with the model.

• Security indicator lamp always blinks when the power supply position is in any position except the ON posi-

tion.

• Intelligent Key can be registered up to 4 keys (Including the standard ignition key) on request from the

owner.

JMKIA3683GB

Revision: 2008 October

2009 Murano

NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS

SEC-19

< FUNCTION DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SEC

• The specified registration is required when replacing ECM, BCM or Intelligent Key. The registrations proce-

dure for NVIS (NATS) and registration procedure for Intelligent Key when installing the BCM, refer to CON-
SULT-III Operation Manual NATS-IVIS/NVIS.

• Possible symptom of NVIS (NATS) malfunction is “Engine can not start”. The engine can be started with the

Intelligent Key system and NVIS (NATS). Identify the possible causes according to “Work Flow”, Refer to

SEC-8, "Work Flow"

• If ECM other than Genuine NISSAN is installed, the engine cannot be started. For ECM replacement proce-

dure, refer to

SEC-11, "ECM RECOMMUNICATING FUNCTION : Special Repair Requirement"

PRECAUTIONS FOR KEY REGISTRATION

• The key registration is a procedure that erases the current NVIS (NATS) ID once, and then re-registers a

new ID operation. Therefore the registered Intelligent Key is necessary for this procedure. Before starting
the registration operation collect all registered Intelligent Keys from the customer

• When registering the Intelligent Key, performs only one procedure to register simultaneously both ID (NVIS

“NATS” ID registration and Intelligent Key ID registration).
The NVIS (NATS) ID registration is the procedure that registers the ID stored into the transponder (inte-
grated in Intelligent Key) to BCM.
The Intelligent key ID registration is the procedure that registers the ID to BCM.

• When performing the Intelligent Key system registration only, the engine cannot be started by inserting the

key into the key slot. When performing the NVIS (NATS) registration only, the engine cannot be started by
the operation when carrying the key. The registrations of both systems should be performed.

SECURITY INDICATOR LAMP

• Warns that the vehicle is equipped with NVIS (NATS).
• The security indicator always blinks when the ignition switch is in any position except the ON position.
NOTE:
Because security indicator is highly efficient, the battery is barely affected.

POWER SUPPLY POSITION CHANGE TABLE BY PUSH-BUTTON IGNITION SWITCH OPERA-
TION

slot, it is equivalent to the operations below.

• When starting the engine, the BCM monitors under the engine start conditions,
- Brake pedal operating condition
- Selector lever position
- Vehicle speed

Vehicle speed: less than 4 km/h (2.5 MPH)

Vehicle speed: 4 km/h (2.5 MPH) or more

Power supply position

Engine start/stop condition

Push-button ignition switch

operation frequency

Selector lever

Brake pedal operation condi-

tion

LOCK

→

ACC

—

Not depressed

LOCK

→

ACC

→

—

Not depressed

LOCK

→

ACC

→

OFF

—

Not depressed

LOCK

→

START

ACC

→

START

→

START

P or N position

Depressed

Engine is running

→

OFF

—

Revision: 2008 October

2009 Murano

SEC-20

< FUNCTION DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS

Emergency stop operation

• Press and hold the push-button ignition switch for 2 seconds or more.

• Press the push-button ignition switch 3 times or more within 1.5 seconds.

Component Parts Location

INFOID:0000000003468562

Power supply position

Engine start/stop condition

Push-button ignition switch

operation frequency

Selector lever

Brake pedal operation condi-

tion

Engine is running

→

ACC

—

Emergency stop operation

Engine stall return operation while
driving

N position

Not depressed

BCM M118, M119, M121, M122, M123

TCM F23

IPDM E/R E10, E11, F12

ECM E16

Push-button ignition switch M101

Key slot M99

Combination meter (key warning lamp)
M34

Security indicator lamp M100

Horn (high) E340, E341

JMKIA1825ZZ

Revision: 2008 October

2009 Murano

NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS

SEC-21

< FUNCTION DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

SEC

10. Horn (low) E342, E343

11.

Control device (detention switch) M57 12. Stop lamp switch

TYPE A: E115
TYPE B: E116

13. Remote keyless entry receiver M78

Behind the combination meter

Engine room (LH)

View with the center console as-
sembly removed

Behind the instrument lower panel LH

Behind the instrument lower panel RH

Inside key antenna (instrument cen-
ter) M105

Inside key antenna (console) M305

Inside key antenna (luggage room)
B86

Back door lock assembly (back door
switch) D180

Front door switch (driver side) B34

power window main switch (door
lock and unlock switch) D5, D6

Front power window switch (passen-
ger side) D45

Behind the cluster lid C assembly

Under the rear seat seatback

JMKIA1826ZZ

Revision: 2008 October

2009 Murano

SEC-22

< FUNCTION DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS

Component Description

INFOID:0000000003375587

Component Reference

BCM

SEC-98

Steering lock unit

SEC-86

Push-button ignition switch

SEC-99

Door switch

DLK-103

key slot

DLK-137

Control device (detention switch)

SEC-65

Inside key antenna

DLK-95

Remote keyless entry receiver

DLK-120

Stop lamp switch

SEC-59

Park/neutral position switch

SEC-73

Steering lock relay

SEC-103

Starter relay

SEC-80

Starter control relay

SEC-103

Security indicator lamp

SEC-120

Key warning lamp

SEC-122

Revision: 2008 October

2009 Murano

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Nissan Murano Z51 (2008 year). Manual — part 319

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