Infiniti QX56 (JA60). Manual - part 843

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VEHICLE SECURITY SYSTEM

VEHICLE SECURITY SYSTEM

System Diagram

INFOID:0000000005147075

System Description

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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 Intelligent Key, door request switch or auto relock function). The system auto-

matically 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 45 seconds.

• Any door is opened.

ALKIA1420GB

PIIA1367E

VEHICLE SECURITY SYSTEM

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Condition of Deactivating The System

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

• Unlock the doors with Intelligent Key or door request switch.

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

Component Parts Location

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ALKIA0961ZZ

1.

BCM M18, M19, M20
(view with instrument panel LH removed)

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

5.

Power window and door lock/unlock 
switch RH D105

6.

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

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VEHICLE SECURITY SYSTEM

Component Description

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7.

Front door switch LH B8
RH B108

8.

Rear door switch LH B18
RH B116

9.

Back door latch (door ajar switch) D503
Glass hatch ajar switch D707

10. Hood switch E13

11. Horn E3

(view with hood open)

12. Combination meter M24

13. Security indicator lamp

Item

Function

BCM

Controls the door lock function and room lamp function.

Door switch

Provides the BCM with the status of each monitored door.

Hood switch

Provides the IPDM E/R with the status of the hood.

Security indicator

Indicates the status of the security system.

IPDM E/R

Controls the horn and headlamp operation.

Horn

Sounds when the vehicle security system is triggered.

DIAGNOSIS SYSTEM (BCM)

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DIAGNOSIS SYSTEM (BCM)

COMMON ITEM
COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)

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APPLICATION ITEM

CONSULT-III 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.

IMMU

Diagnosis mode

Function Description

WORK SUPPORT

Changes the setting for each system function.

SELF-DIAG RESULTS

Displays the diagnosis results judged by BCM. Refer to 

BCS-54, "DTC Index"

.

CAN DIAG SUPPORT MNTR

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

• Enables to read and save the vehicle specification.
• Enables to write the vehicle specification when replacing BCM.

System

Sub system selection item

Diagnosis mode

WORK SUPPORT

DATA MONITOR

ACTIVE TEST

BCM

BCM

×

Door lock

DOOR LOCK

×

×

×

Rear window defogger

REAR DEFOGGER

×

Warning chime

BUZZER

×

×

Interior room lamp timer

INT LAMP

×

×

×

Remote keyless entry system

MULTI REMOTE ENT

×

×

Exterior lamp

HEAD LAMP

×

×

×

Wiper and washer

WIPER

×

×

×

Turn signal and hazard warning lamps FLASHER

×

×

Air conditioner

AIR CONDITONER

×

Intelligent Key system

INTELLIGENT KEY

×

Combination switch

COMB SW

×

Immobilizer

IMMU

×

×

Interior room lamp battery saver

BATTERY SAVER

×

×

×

Back door open

TRUNK

×

×

RAP (retained accessory power)

RETAINED PWR

×

×

×

Signal buffer system

SIGNAL BUFFER

×

×

TPMS (tire pressure monitoring sys-
tem)

AIR PRESSURE MONITOR 

×

×

×

Vehicle security system

THEFT ALM

×

×

×

Panic alarm system

PANIC ALARM

×