Infiniti QX56 (JA60). Manual - part 99

BCS

POWER CONSUMPTION CONTROL SYSTEM

BCS-15

< FUNCTION DIAGNOSIS >

[BCM]

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Component Parts Location

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1.

Steering column (view with instru-
ment panel removed)

2.

BCM M18, M19, M20

3.

Combination meter M24

4.

IPDM E/R E119, E120, E121, E122, 
E123, E124

5.

Intelligent Key unit M70 (view with in-
strument panel removed)

ALMIA0418ZZ

BCS-16

< FUNCTION DIAGNOSIS >

[BCM]

DIAGNOSIS SYSTEM (BCM)

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.

BCM

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

×

BCS

DIAGNOSIS SYSTEM (BCM)

BCS-17

< FUNCTION DIAGNOSIS >

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BCM : CONSULT-III Function (BCM - BCM)

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WORK SUPPORT

DOOR LOCK
DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)

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WORK SUPPORT

DATA MONITOR

ACTIVE TEST

REAR WINDOW DEFOGGER

Item

Description

RESET SETTING VALUE

Return a value set with WORK SUPPORT of each system to a default value in factory shipment.

Work Item

Description

DOOR LOCK-UNLOCK SET

• ON
• OFF

ANTI-LOCK OUT SET

• ON
• OFF

AUTOMATIC DOOR LOCK SELECT

• SHIFT OUT OF P
• VH SPD

AUTOMATIC DOOR UNLOCK SE-
LECT

• MODE1
• MODE2
• MODE3
• MODE4
• MODE5
• MODE6

AUTOMATIC LOCK/UNLOCK SE-
LECT

• ON
• OFF

Monitor Item

[Unit}

Description

IGN ON SW [ON/OFF]

Indicates condition of ignition switch in ON position

KEY ON SW [ON/OFF]

Indicates condition of key switch

CDL LOCK SW [ON/OFF]

Indicates condition of door lock and unlock switch

CDL UNLOCK SW [ON/OFF]

Indicates condition of door lock and unlock switch

DOOR SW-DR [ON/OFF]

Indicates condition of front door switch LH

DOOR SW-AS [ON/OFF]

Indicates condition of front door switch RH

DOOR SW-RR [ON/OFF]

Indicates condition of rear door switch RH

DOOR SW-RL [ON/OFF]

Indicates condition of rear door switch LH

BACK DOOR SW [ON/OFF]

Indicates condition of back door switch

KEY CYL LK-SW [ON/OFF]

Indicates condition of lock signal from door key cylinder switch

KEY CYL UN-SW [ON/OFF]

Indicates condition of unlock signal from door key cylinder switch

I-KEY LOCK [ON/OFF]

Indicates condition of lock signal from Intelligent Key

I-KEY UNLOCK [ON/OFF]

Indicates condition of unlock signal from Intelligent Key

Test Item

Description

DOOR LOCK

This test is able to check door lock operation [ALL LOCK/ALL UNLOCK/DR UNLOCK/
OTHER UNLOCK].

BCS-18

< FUNCTION DIAGNOSIS >

[BCM]

DIAGNOSIS SYSTEM (BCM)

REAR WINDOW DEFOGGER : CONSULT-III Function (BCM - REAR DEFOGGER)

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DATA MONITOR

ACTIVE TEST

BUZZER
BUZZER : CONSULT-III Function (BCM - BUZZER)

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DATA MONITOR

ACTIVE TEST

INT LAMP

Monitor Item

[Unit]

Description

IGN ON SW [ON/OFF]

Indicates condition of ignition switch in ON position

ACC ON SW [ON/OFF]

Indicates condition of ignition switch in ACC position

REAR DEF SW [ON/OFF] Displays “Press (ON)/other (OFF)” status determined with the rear window defogger switch

Test Item

Description

REAR DEFOGGER

This test is able to check rear window defogger operation. Rear window defogger operates 
when ’ON" on CONSULT-III screen is touched

Monitor Item

[Unit]

Description

IGN ON SW [ON/OFF]

Ignition switch (ON) status judged by ignition power supply input

KEY ON SW [ON/OFF]

Key switch status

DOOR SW -DR [ON/OFF]

Front door switch (driver side) status judged by BCM

LIGHT SW 1ST [ON/OFF]

Lighting switch status judged by the lighting switch signal read with combination switch reading func-
tion

BUCKLE SW [ON/OFF]

Seat belt buckle switch status

Test Item

Description

LIGHT WARN ALM

The light reminder warning operation can be checked by operating the relevant function (On/Off).

IGN KEY WARN ALM

The key reminder warning operation can be checked by operating the relevant function (On/Off).

SEAT BELT WARN TEST

The seat belt warning operation can be checked by operating the relevant function (On/Off).

DOOR WARNING IND

The door open warning operation can be checked by operating the relevant function (On/Off).