INFINITI QX56 2010 Factory Service Manual

BCS
POWER CONSUMPTION CONTROL SYSTEMBCS-15
< FUNCTION DIAGNOSIS > [BCM]
C
D
E
F
G H
I
J
K L
B A
O P
N
Component Parts LocationINFOID:0000000005146393
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
Revision: April 20092010 QX56

BCS-16
< FUNCTION DIAGNOSIS >[BCM]
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT-III Fu
nction (BCM - COMMON ITEM)INFOID:0000000005146394
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, "
DTCIndex".
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 ×
Revision: April 20092010 QX56

BCS
DIAGNOSIS SYSTEM (BCM)BCS-17
< FUNCTION DIAGNOSIS > [BCM]
C
D
E
F
G H
I
J
K L
B A
O P
N
BCM : CONSULT-III Function (BCM - BCM)INFOID:0000000005146395
WORK SUPPORT
DOOR LOCK
DOOR LOCK : CONSULT-III Fu
nction (BCM - DOOR LOCK)INFOID:0000000005146396
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 lo ck signal from door key cylinder switch
KEY CYL UN-SW [ON/OFF] Indicates condition of un lock 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 sign al 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].
Revision: April 20092010 QX56

BCS-18
< FUNCTION DIAGNOSIS >[BCM]
DIAGNOSIS SYSTEM (BCM)
REAR WINDOW DEFOGGER : CONSULT-III Function (BCM - REAR DEFOGGER)
INFOID:0000000005146397
DATA MONITOR
ACTIVE TEST
BUZZER
BUZZER : CONSULT-III Function (BCM - BUZZER)INFOID:0000000005146398
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)” stat us determined with the rear window defogger switch
Test ItemDescription
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) st atus 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).
Revision: April 20092010 QX56

BCS
DIAGNOSIS SYSTEM (BCM)BCS-19
< FUNCTION DIAGNOSIS > [BCM]
C
D
E
F
G H
I
J
K L
B A
O P
N
INT LAMP : CONSULT-III F
unction (BCM - INT LAMP)INFOID:0000000005146399
WORK SUPPORT
* : Initial setting
DATA MONITOR
JPLIA0093GB
Work Item Setting item Setting
SET I/L D-UNLCK INTCON ON* With the interior room lamp timer function
OFF Without the interior room lamp timer function
ROOM LAMP ON TIME SET MODE 1 0.5 sec.
Sets the interior room lamp gradual brightening time.
MODE 2* 1 sec.
MODE 3 2 sec.
MODE 4 3 sec.
MODE 5 4 sec.
MODE 6 5 sec.
MODE 7 0 sec.
ROOM LAMP OFF TIME SET MODE 1 0.5 sec.
Sets the interior room lamp gradual dimming time.
MODE 2 1 sec.
MODE 3 2 sec.
MODE 4* 3 sec.
MODE 5 4 sec.
MODE 6 5 sec.
MODE 7 0 sec.
Monitor Item
[Unit] Description
IGN ON SW [ON/OFF] Ignition switch (ON) status judges from IGN signal (ignition power supply)
KEY ON SW [ON/OFF] The switch status input from key switch
DOOR SW-DR [ON/OFF] The switch status input from front door switch LH
DOOR SW-AS [ON/OFF] The switch status input from front door switch RH
DOOR SW-RR [ON/OFF] The switch status input from rear door switch RH
DOOR SW- RL [ON/OFF] The switch status input from rear door switch LH
BACK DOOR SW [ON/OFF] The switch status input from back door switch
KEY CYL LK-SW [ON/OFF] Lock switch status input from door lock and unlock switch
KEY CYL UN-SW [ON/OFF] Lock switch status input from door lock and unlock switch
Revision: April 20092010 QX56

BCS-20
< FUNCTION DIAGNOSIS >[BCM]
DIAGNOSIS SYSTEM (BCM)
ACTIVE TEST
MULTIREMOTE ENT
MULTIREMOTE ENT : CONSULT-III Function (BCM - MULTIREMOTE ENT)
INFOID:0000000005146400
WORK SUPPORT
Hazard and horn reminder mode
CDL LOCK SW [ON/OFF]
Lock switch status input from door lock and unlock switch
CDL UNLOCK SW [ON/OFF] Unlock switch status input from door lock and unlock switch
I-KEY LOCK [ON/OFF] Lock signal status received from Intelligent Key unit by CAN communication
I-KEY UNLOCK [ON/OFF] Unlock signal status received from Intelligen t Key unit by CAN communication
Monitor Item
[Unit] Description
Test Item
Operation Description
IGN ILLUM ON
Outputs the ignition keyhole illumination control signal to turn the ignition keyhole il-
lumination lamp ON.
OFF Stops the ignition keyhole illumination control signal to turn the ignition keyhole illu-
mination lamp OFF.
INT LAMP ON Outputs the interior room lamp control signal to turn the interior room lamps ON.
OFF Stops the interior room lamp control signal to turn the interior room lamps OFF.
STEP LAMP TEST ON Outputs the step lamp control signal to turn the step lamps ON.
OFF Stops the step lamp control signal to turn the step lamps OFF.
LUGGAGE LAMP TEST ON Outputs the luggage lamp control signal to turn the luggage lamp ON.
OFF Stops the luggage lamp control signal to turn the luggage lamp OFF.
Te s t I t e m D e s c r i p t i o n
REMO CONT ID REGIST Keyfob ID code can be registered.
REMO CONT ID ERASUR Keyfob ID code can be erased.
REMO CONT ID CONFIR It can be checked whether keyfob ID code is registered or not in this mode.
HORN CHIRP SET Horn chirp function mode can be changed in this mode. The function mode will be changed when
"CHANG SETT" on CONSULT- III screen is touched.
HAZARD LAMP SET Hazard lamp function mode can be changed in this mode. The function mode will be changed when
"CHANG SETT" on CONSULT- III screen is touched.
MULTI ANSWER BACK SET Hazard and horn reminder mode can be changed in this mode. The reminder mode will be changed
when “CHANG SETT” on CONSULT-III screen is touched.
AUTO LOCK SET Auto locking function mode can be changed in this mode. The function mode will be changed when
"CHANG SETT" on CONSULT-
III screen is touched.
PANIC ALRM SET Panic alarm operation mode can be changed in this mode. The operation mode will be changed when
"CHANG SETT" on CONSULT-
III screen is touched.
PW DOWN SET Keyless power window down (open) operation mode can be changed in this mode. The operation
mode will be changed when "CHANG SETT" on CONSULT-III screen is touched.
MODE 1
(C mode) MODE 2
(S mode) MODE 3MODE 4MODE 5MODE 6
Keyfob
operation Lock Unlock Lock Unlock Lock Unlock Lock Unlock Lock Unlock Lock Unlock
Hazard warning
lamp flash TwiceOnceTwice — — — TwiceOnceTwice — — Once
Horn sound Once———————Once—Once—
Revision: April 20092010 QX56

BCS
DIAGNOSIS SYSTEM (BCM)BCS-21
< FUNCTION DIAGNOSIS > [BCM]
C
D
E
F
G H
I
J
K L
B A
O P
N
Auto locking function mode
Panic alarm operation mode
Back door open operation mode
Keyless power window down operation mode
DATA MONITOR
ACTIVE TEST
HEADLAMP
M
ODE 1M ODE 2M ODE 3
Auto locking function 5 minutesNothing1 minute
M ODE 1M ODE 2M ODE 3
Keyfob operation 0.5 secondsNothing1.5 seconds
M ODE 1M ODE 2M ODE 3
Keyfob operation 0.5 secondsNothing0.5 seconds
MODE 1 MODE 2 MODE 3
Keyfob operation 3 secondsNothing5 seconds
Monitored Item Description
DOOR SW-AS Indicates [ON/OFF] condition of front door switch RH.
DOOR SW-RR Indicates [ON/OFF] condition of rear door switch RH.
DOOR SW-RL Indicates [ON/OFF] condition of rear door switch LH.
DOOR SW-DR Indicates [ON/OFF] condition of front door switch LH.
KEY ON SW Indicates [ON/OFF] condition of key switch.
ACC ON SW Indicates [ON/OFF] condition of ignition switch in ACC position.
IGN ON SW Indicates [ON/OFF] condition of ignition switch in ON position.
KEYLESS PANIC Indicates [ON/OFF] condition of pani c signal from keyfob.
KEYLESS UNLOCK Indicates [ON/OFF] condition of unlock signal from keyfob.
KEYLESS LOCK Indicates [ON/OFF] condition of lock signal from keyfob.
KEY CYL LK-SW Indicates [ON/OFF] condition of lock signal from door key cylinder switch.
KEY CYL UN-SW Indicates [ON/OFF] condition of unlock signal from door key cylinder switch.
CDL UNLOCK SW Indicates [ON/OFF] condition of unlock signal from lock/unlock switch.
CDL LOCK SW Indicates [ON/OFF] condition of lock signal from lock/unlock switch.
DOOR SW-RL Indicates [ON/OFF] condition of rear door switch LH.
DOOR SW-RR Indicates [ON/OFF] condition of rear door switch RH.
RKE LCK-UNLCK Indicates [ON/OFF] condition of lock/unlock signal at the same time from keyfob.
RKE KEEP UNLK Indicates [ON/OFF] condition of unlock signal from keyfob.
Test Item Description
FLASHER This test is able to check right and left hazard reminder operation. The right hazard lamp turns on
when “RH” on CONSULT-III screen is touched and th e left hazard lamp turns on when "LH" on CON-
SULT-III screen is touched.
POWER WINDOW DOWN This test is able to check power window down operation. The windows are lowered when “ON” on CONSULT-III screen is touched.
HORN This test is able to check panic alarm and horn reminder operations. The alarm activate for 0.5 sec-
onds after “ON” on CONSULT-III screen is touched.
DOOR LOCK This test is able to check door lock operation. The doors lock and unlock based on the item on CON-
SULT-III screen touched.
Revision: April 20092010 QX56

BCS-22
< FUNCTION DIAGNOSIS >[BCM]
DIAGNOSIS SYSTEM (BCM)
HEADLAMP : CONSULT-III Function (BCM - HEAD LAMP)
INFOID:0000000005146401
WORK SUPPORT
*: Initial setting
DATA MONITOR
ACTIVE TEST
Work Item Setting item Setting
BATTERY SAVER SET ON* With the exterior lamp battery saver function
OFF Without the exterior lamp battery saver function
CUSTOM A/LIGHT SET-
TING MODE1* Normal
MODE2 More sensitive setting than normal setting (Turns ON earlier than normal operation.)
MODE3 More sensitive setting than MODE 2 (Turns ON earlier than MODE 2.)
MODE4 Less sensitive setting than normal setting (Turns ON later than normal operation.)
ILL DELAY SET MODE1* 45 sec.
Sets delay timer function timer operation time
(All doors closed)
MODE2
Without the func-
tion
MODE3 30 sec.
MODE4 60 sec.
MODE5 90 sec.
MODE6 120 sec.
MODE7 150 sec.
MODE8 180 sec.
Monitor Item [Unit] Description
IGN ON SW [ON/OFF] Ignition switch (ON) status judged from IGN signal (ignition power supply)
ACC ON SW [ON/OFF] Ignition switch (ACC) status judged from ACC signal (accessory power supply)
HI BEAM SW [ON/OFF]
Each switch status that BCM judges from the combination switch reading function
HEAD LAMP SW 1 [ON/OFF]
HEAD LAMP SW 2 [ON/OFF]
LIGHT SW 1ST [ON/OFF]
AUTO LIGHT SW [ON/OFF]
PASSING SW [ON/OFF]
FR FOG SW [ON/OFF]
TURN SIGNAL R [ON/OFF]
TURN SIGNAL L [ON/OFF]
DOOR SW-DR [ON/OFF]
The switch status input from front door switch LH
DOOR SW-AS [ON/OFF] The switch status input from front door switch RH
DOOR SW-RR [ON/OFF] The switch status input from rear door switch RH
DOOR SW-RL [ON/OFF] The switch status input from rear door switch LH
BACK DOOR SW [ON/OFF] The switch status input from back door switch
CARGO LAMP SW [ON/OFF] Cargo lamp status that BCM judges from the vehicle condition
OPTICAL SENSOR [ON/OFF] The value of exterior brightness voltage input from the optical sensor
Revision: April 20092010 QX56

BCS
DIAGNOSIS SYSTEM (BCM)BCS-23
< FUNCTION DIAGNOSIS > [BCM]
C
D
E
F
G H
I
J
K L
B A
O P
N
WIPER
WIPER : CONSULT-III Function (BCM - WIPER)INFOID:0000000005146402
WORK SUPPORT
*: Factory setting
DATA MONITOR
Test Item
Operation Description
TAIL LAMP ON
Transmits the position light request signal to IPDM E/R with CAN com-
munication to turn the tail lamp ON.
OFF Stops the tail lamp request signal transmission.
HEAD LAMP HI
Transmits the high beam request signal with CAN communication to turn
the headlamp (HI).
LO Transmits the low beam request signal with CAN communication to turn
the headlamp (LO).
OFF Stops the high & low beam request signal transmission.
FR FOG LAMP ON
Transmits the front fog lights request signal to IPDM E/R with CAN com-
munication to turn the front fog lamp ON.
OFF Stops the front fog lights request signal transmission.
CARGO LAMP ON
Transmits the cargo lamp request signal with CAN communication to
turn the lamp ON.
OFF Stops the cargo lamp request signal transmission.
CORNERING LAMP LH
Transmits the LH cornering lamp request signal with CAN communica-
tion to turn the lamp ON.
RH Transmits the RH cornering lamp request signal with CAN communica-
tion to turn the lamp ON.
OFF Stops the day time running light request signal transmission.
Work Item Setting
Item Description
WIPER SPEED
SETTING ON*
With vehicle speed
(Front wiper intermittent time linked with the vehicle speed and wiper intermittent dial position)
OFF Without vehicle speed
(Front wiper intermittent time linked with the wiper intermittent dial position)
Monitor Item
[Unit] Description
IGN ON SW [ON/OFF] Ignition switch ON status judged from ignition power supply
IGN SW CAN [ON/OFF] Ignition switch ON status received from IPDM E/R via CAN communication
FR WIPER HI [ON/OFF]
Each switch status that BCM judges from the combination switch reading function
FR WIPER LOW [ON/OFF]
FR WIPER INT [ON/OFF]
FR WASHER SW [ON/OFF]
INT VOLUME [1 - 7]
Each switch status that BCM judges from the combination switch reading function
FR WIPER STOP [ON/OFF] Front wiper motor (stop position) status received from IPDM E/R with CAN communica-
tion
VEHICLE SPEED [km/h] The value of the vehicle speed signal received from combination meter with CAN com-
munication
Revision: April 20092010 QX56

BCS-24
< FUNCTION DIAGNOSIS >[BCM]
DIAGNOSIS SYSTEM (BCM)
ACTIVE TEST
FLASHER
FLASHER : CONSULT-III Function (BCM - FLASHER)INFOID:0000000005146403
DATA MONITOR
ACTIVE TEST
AIR CONDITIONER
AIR CONDITIONER : CONSULT-III Function (BCM - AIR CONDITIONER)INFOID:0000000005146404
DATA MONITOR
RR WIPER ON [ON/OFF]
Each switch status that BCM judges from the combination switch reading function
RR WIPER INT [ON/OFF]
RR WASHER SW [ON/OFF]
RR WIPER STOP [ON/OFF] Rear wiper motor (stop position) status input from the rear wiper motor Monitor Item
[Unit] Description
Test Item Operation
Description
FR WIPER HI
Transmits the front wiper request signal (HI) to IPDM E/R with CAN communication to op-
erate the front wiper HI operation.
LO Transmits the front wiper request signal (LO) to IPDM E/R with CAN communication to
operate the front wiper LO operation.
INT Transmits the front wiper request signal (INT) to IPDM E/R with CAN communication to
operate the front wiper INT operation.
OFF Stops transmitting the front wiper request signal to stop the front wiper operation.
RISE UP WIPER
TEST ON Outputs the voltage to operate the rear wiper motor.
OFF Stops the voltage to stop.
Monitor Item [Unit] Description
IGN ON SW [ON/OFF] Ignition switch (ON) status judged from IGN signal (ignition power supply)
HAZARD SW [ON/OFF] The switch status input from the hazard switch
TURN SIGNAL R [ON/OFF] Each switch condition that BCM judges from the combination switch reading function
TURN SIGNAL L [ON/OFF]
BRAKE SW [ON/OFF] The switch status input from the brake switch
Test ItemOperation Description
FLASHER RH Outputs the voltage to turn the right side turn signal lamps ON.
LH Outputs the voltage to turn the left side turn signal lamps ON.
OFF Stops the voltage to turn the turn signal lamps OFF.
Monitor Item [Unit] Contents
IGN ON SW [ON/OFF] Display [ignition switch position (On)/(Off), ACC position (Off)] status as judged from ignition
switch signal
FAN ON SIG [ON/OFF] Display [FAN (On)/FAN (Off)] st atus as judged form blower fan motor switch signal
AIR COND SW [ON/OFF] Display [COMP (On)/COMP (Off)] status as judged form air conditioner switch signal
Revision: April 20092010 QX56