Nissan Titan A60. Manual - part 843

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NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS)

Component Description

INFOID:0000000006161557

1.

BCM M18, M19, M20
(view with instrument panel LH re-
moved)

2.

NATS antenna amp. M21

3.

ECM E16

4.

IPDM E/R E119, E120, E122, E124
(view with cover removed)

5.

Combination meter M24

6.

Security indicator lamp

Item

Function

BCM

Verifies the received signal from the ignition key ID, then informs ECM whether to allow engine start.

Remote keyless entry receiver

Receives lock/unlock signal from the keyfob, and then transmits to the BCM.

A/T shift selector (detention key 
switch)

Detects whether the shift lever is in park.

NATS antenna amp.

Detects the ignition key presence in the ignition key cylinder.

Security indicator

Indicates the status of the security system.

IPDM E/R

Powers-up the horn and the headlamps in case of a security breach.

VEHICLE SECURITY SYSTEM

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VEHICLE SECURITY SYSTEM

System Diagram

INFOID:0000000006161558

System Description

INFOID:0000000006161559

DESCRIPTION

The security system provides an audible and visual alarm when an unauthorized access to the vehicle is

detected while the system is in armed phase.

The security system consist of the BCM managing the audible alarm (horn) and the visual alarm (headlamps).

OPERATION FLOW

Disarmed Phase

When the vehicle is being driven or when doors are open, the theft warning system is set in the disarmed

phase on the assumption that the owner is inside or near the vehicle.

Pre-Armed Phase And Armed Phase

The vehicle security system turns into the pre-armed phase when ignition switch is in OFF position, all doors

are closed and locked (using keyfob, door lock/unlock switch, driver key cylinder or auto relock function). The

system automatically shifts into the armed phase.

Condition of Activating The System

When the following condition is performed in armed phase, the system sounds the horns and flashes the

headlamps for about 50 seconds.

• Any door is opened.

ALKIA0952GB

PIIA1367E

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< SYSTEM DESCRIPTION >

VEHICLE SECURITY SYSTEM

Condition of Deactivating The System

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

• Unlock the doors with keyfob.

• Use the mechanical key to unlock the driver door using the door key cylinder.

Component Parts Location

INFOID:0000000006161560

1.

BCM M18, M19, M20
(view with instrument panel LH re-
moved)

2.

IPDM E/R E122, E124
(view with cover removed)

3.

Horn relay H-1

4.

Main power window and door lock/
unlock switch
D7, D8 (crew cab)
D15 (king cab)

5.

Power window and door lock/unlock 
switch RH D105

6.

Front door lock assembly LH (key cylin-
der switch) D14

7.

Front door switch LH B8
RH B108

8.

Rear door switch (crew cab)
LH B18
RH B116

9.

Rear door switch upper (king cab)
LH B73
RH B156

10. Rear door switch lower (king cab)

LH B74
RH B157

11. Horn E3

(view with front grille removed)

12. Combination meter M24

13. Security indicator lamp

ALKIA0953ZZ

VEHICLE SECURITY SYSTEM

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Component Description

INFOID:0000000006161561

Item

Function

BCM

Verifies the received signal from ignition key, then informs ECM whether to allow engine start.

Door switch

Provides the BCM with the status of each monitored door.

Security indicator

Indicates the status of the security system.

IPDM E/R

Controls the horn and headlamps operation.

Horn

Sounds when the vehicle security system is triggered.