Nissan GT-R (2007-2014 year). SECURITY CONTROL SYSTEM / SRS AIRBAG. Service Manual — part 1

Performing the following procedure can automatically perform re-communication of ECM and BCM, but only
when the ECM has been replaced with a new one (*1).
*1: New one means a virgin ECM which has never been energized on-board.
(In this step, initialization procedure by CONSULT is not necessary)
NOTE:
• When registering new Key IDs or replacing the ECM that is not brand new, follow the instruction of

CONSULT display.

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

ECM RE-COMMUNICATING FUNCTION : Work Procedure

INFOID:0000000009163596

PERFORM ECM RE-COMMUNICATING FUNCTION

Install ECM.

Insert the registered Intelligent Key (*2), turn ignition switch to “ON”.
*2: To perform this step, use the key that has been used before performing ECM replacement.

Maintain ignition switch in the “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.

2014 GT-R

SEC-4

< SYSTEM DESCRIPTION >

[INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION

SYSTEM DESCRIPTION

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION

System Diagram

INFOID:0000000009163597

System Description

INFOID:0000000009163598

• 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 communication 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 communication 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 starting the engine will be possible.

• 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.

• Up to 4 Intelligent Keys can be registered (Including the standard Intelligent Key) on request from the owner.

NOTE:
• Refer to

SEC-4, "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 BCM receives the Intelligent Key ID signal and verifies it with the registered ID.

JMKIA1870GB

2014 GT-R

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION

SEC-5

< SYSTEM DESCRIPTION >

[INTELLIGENT KEY SYSTEM]

SEC

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 receives 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 the 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-9, "System Description"

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
• Shift lever is in the P position

Reset Condition of Battery Saver System

If any of the following conditions are met the battery saver system is released and the steering will change
automatically to the lock position from the OFF position.
• Opening any door
• Operating with request switch on door lock
• Operating with Intelligent Key on door lock
Pressing the push-button ignition switch and ignition switch will change the ignition switch to ACC position
from OFF position.

STEERING LOCK OPERATION

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

2014 GT-R

SEC-6

< SYSTEM DESCRIPTION >

[INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION

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
- Shift 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.

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

Power supply position

Engine start/stop condition

Push-button ignition switch

operation frequency

Shift lever position

Brake pedal operation condition

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

Shift lever position

Brake pedal operation condition

Engine is running

→

ACC

—

Emergency stop operation

Engine stall return operation while
driving

N position

Not depressed

2014 GT-R

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION

SEC-7

< SYSTEM DESCRIPTION >

[INTELLIGENT KEY SYSTEM]

SEC

Component Parts Location

INFOID:0000000009163599

BCM M118, M119, M121, M122,
M123

IPDM E/R E4, E5, E6, E7

TCM B45

Push-button ignition switch M131

A/T shift selector (detention switch)
B20

Key slot M60

Combination meter (Key warning
lamp) M53

Driver side door switch B21

Security indicator lamp M29

10. Stop lamp switch E110

Behind the instrument lower panel
RH

Engine room dash panel (RH)

View with trunk front finisher re-
moved

View with center console assembly
removed

View with instrument lower panel
(driver) removed

JMKIA2909ZZ

2014 GT-R

SEC-8

< SYSTEM DESCRIPTION >

[INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION

Trunk lid lock assembly (trunk room
lamp switch) B352

Remote keyless entry receiver M134 3.

Inside key antenna (console) M146

Inside key antenna (trunk room) B41 5.

Inside key antenna (instrument cen-
ter) M75

Horn (high) E79, E80

Horn (low) E81, E82

Hood switch E83

ECM M107

View with trunk lid finisher removed

Behind the display unit

Back of the rear console assembly

Behind the trunk front finisher

Back of the cluster kid C (lower)

Behind the front bumper

Behind the instrument lower panel
(assist)

JMKIA2910ZZ

2014 GT-R

NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS

SEC-9

< SYSTEM DESCRIPTION >

[INTELLIGENT KEY SYSTEM]

SEC

NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS

System Diagram

INFOID:0000000009163601

System Description

INFOID:0000000009163602

• 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.

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

tion.

• Up to 4 Intelligent Keys can be registered (Including the standard ignition key) on request from the owner.
• 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, follow the
instruction of CONSULT display.

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

dure, refer to

SEC-3, "ECM RE-COMMUNICATING FUNCTION : Work Procedure"

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 IDs (NVIS

“NATS” ID registration and Intelligent Key ID registration).
The NVIS (NATS) ID registration is the procedure that registers the IDs 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
pressing the push-button ignition switch when carrying the Intelligent Key. The registrations of both systems
should be performed.

SECURITY INDICATOR LAMP

• Warns that the vehicle is equipped with NVIS (NATS).
• The security indicator lamp always blinks when the ignition switch is in any position except the ON position.
NOTE:

JMKIA2503GB

2014 GT-R

SEC-10

< SYSTEM DESCRIPTION >

[INTELLIGENT KEY SYSTEM]

NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS

Because security indicator lamp is highly efficient, the battery is barely affected.

Component Parts Location

INFOID:0000000009163603

BCM M118, M119, M121, M122,
M123

IPDM E/R E4, E5, E6, E7

TCM B45

Push-button ignition switch M131

A/T shift selector (detention switch)
B20

Key slot M60

Combination meter (Key warning
lamp) M53

Driver side door switch B21

Security indicator lamp M29

10. Stop lamp switch E110

Behind the instrument lower panel
RH

Engine room dash panel (RH)

View with trunk front finisher re-
moved

View with center console assembly
removed

View with instrument lower panel
(driver) removed

JMKIA2909ZZ

2014 GT-R

NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS

SEC-11

< SYSTEM DESCRIPTION >

[INTELLIGENT KEY SYSTEM]

SEC

Trunk lid lock assembly (trunk room
lamp switch) B352

Remote keyless entry receiver M134 3.

Inside key antenna (console) M146

Inside key antenna (trunk room) B41 5.

Inside key antenna (instrument cen-
ter) M75

Horn (high) E79, E80

Horn (low) E81, E82

Hood switch E83

ECM M107

View with trunk lid finisher removed

Behind the display unit

Back of the rear console assembly

Behind the trunk front finisher

Back of the cluster kid C (lower)

Behind the front bumper

Behind the instrument lower panel
(assist)

JMKIA2910ZZ

2014 GT-R

SEC-12

< SYSTEM DESCRIPTION >

[INTELLIGENT KEY SYSTEM]

VEHICLE SECURITY SYSTEM

VEHICLE SECURITY SYSTEM

System Diagram

INFOID:0000000009163605

System Description

INFOID:0000000009163606

SETTING THE VEHICLE SECURITY SYSTEM

Initial Condition

• Ignition switch is in OFF position.

Disarmed Phase

• When any door or trunk is open, the vehicle security system is set in the disarmed phase on the assumption

that the owner is inside or near the vehicle.

• When the vehicle security system is in the disarmed phase, the security indicator lamp blinks every 2.4 sec-

onds.

NNKIA1734GB

PIIA1367E

2014 GT-R

VEHICLE SECURITY SYSTEM

SEC-13

< SYSTEM DESCRIPTION >

[INTELLIGENT KEY SYSTEM]

SEC

Pre-armed Phase and Armed Phase

When the following operation is performed, the vehicle security system turns into the “pre-armed” phase. (The
security indicator lamp illuminates.)
1.

BCM receives LOCK signal from front door request switch, Intelligent Key, after trunk and all doors are
closed.

The security indicator lamp illuminates for 30 seconds. Then, the system automatically shifts into the
“armed” phase.

CANCELING THE SET VEHICLE SECURITY SYSTEM

When one of the following operations is performed, the armed phase is canceled.

Unlock the all doors with the door request switch, Intelligent Key.

Turn ignition switch “ON” or “ACC” position.

CANCELING THE ALARM OPERATION OF THE VEHICLE SECURITY SYSTEM

When unlocking the all doors with the door request switch, Intelligent Key the alarm operation is canceled.

ACTIVATING THE ALARM OPERATION OF THE VEHICLE SECURITY SYSTEM

Check that the system is in the armed phase. (The security indicator lamp blinks every 2.4 seconds.)
When the following operation 1 or 2 is performed, the system sounds the horns and flashes the headlamps for
about 50 seconds.

Trunk or any door is opened during armed phase.

Disconnecting and connecting the battery connector before canceling armed phase.

PANIC ALARM OPERATION

Intelligent Key system may or may not operate vehicle security system (horn and headlamps) as required.
When the Intelligent Key system is triggered, ground is supplied intermittently to both headlamp relay and horn
relay.
When headlamp relay and horn relay are energized, then power is supplied to headlamps (high beam and low
beam) and horns (high, low and vehicle security horn).
The headlamps flash and the horn sounds intermittently.
The alarm automatically turns off after 50 seconds or when BCM receives any signal from Intelligent Key, door
request switch.

2014 GT-R

SEC-14

< SYSTEM DESCRIPTION >

[INTELLIGENT KEY SYSTEM]

VEHICLE SECURITY SYSTEM

Component Parts Location

INFOID:0000000009163607

BCM M118, M119, M121, M122,
M123

IPDM E/R E4, E5, E6, E7

TCM B45

Push-button ignition switch M131

A/T shift selector (detention switch)
B20

Key slot M60

Combination meter (Key warning
lamp) M53

Driver side door switch B21

Security indicator lamp M29

10. Stop lamp switch E110

Behind the instrument lower panel
RH

Engine room dash panel (RH)

View with trunk front finisher re-
moved

View with center console assembly
removed

View with instrument lower panel
(driver) removed

JMKIA2909ZZ

2014 GT-R

VEHICLE SECURITY SYSTEM

SEC-15

< SYSTEM DESCRIPTION >

[INTELLIGENT KEY SYSTEM]

SEC

Trunk lid lock assembly (trunk room
lamp switch) B352

Remote keyless entry receiver M134 3.

Inside key antenna (console) M146

Inside key antenna (trunk room) B41 5.

Inside key antenna (instrument cen-
ter) M75

Horn (high) E79, E80

Horn (low) E81, E82

Hood switch E83

ECM M107

View with trunk lid finisher removed

Behind the display unit

Back of the rear console assembly

Behind the trunk front finisher

Back of the cluster kid C (lower)

Behind the front bumper

Behind the instrument lower panel
(assist)

JMKIA2910ZZ

2014 GT-R

SEC-16

< DTC/CIRCUIT DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

POWER SUPPLY AND GROUND CIRCUIT

DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

BCM

BCM : Diagnosis Procedure

INFOID:0000000009163751

CHECK FUSE AND FUSIBLE LINK

Check that the following fuse and fusible link are not blown.

Is the fuse fusing?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is

blown.

>> GO TO 2.

CHECK POWER SUPPLY CIRCUIT

Turn ignition switch OFF.

Disconnect BCM connectors.

Check voltage between BCM harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3.

>> Repair harness or connector.

CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> INSPECTION END

>> Repair harness or connector.

IPDM E/R

IPDM E/R : Diagnosis Procedure

INFOID:0000000009163752

CHECK FUSES AND FUSIBLE LINK

Check that the following IPDM E/R fuses or fusible links are not blown.

Signal name

Fuse and fusible link No.

Battery power supply

Terminals

Voltage

(Approx.)

(+)

(

−

)

BCM

Ground

Connector

Terminal

M118

Battery voltage

M119

BCM

Ground

Continuity

Connector

Terminal

M119

Existed

2014 GT-R

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