2011 INFINITI QX56 Head lamp

BCS-20
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM)
*1: Factory setting
*
2: For models for Canada, this item is displayed but is not operated.
DATA MONITOR
BATTERY SAVER SET On*1With the exterior lamp battery saver function
Off Without the exterior lamp battery saver function
ILL DELAY SET MODE 1*
145 sec.
Sets delay timer function timer operation time
(All doors closed)
MODE 2
Without the
function
MODE 3 30 sec.
MODE 4 60 sec.
MODE 5 90 sec.
MODE 6 120 sec.
MODE 7 150 sec.
MODE 8 180 sec.
AUTO LIGHT LOGIC SET*
2
MODE 1*1With twilight ON custom & with wiper INT, LO and HI
MODE 2 With twilight ON custom & with wiper LO and HI
MODE 3 With twilight ON custom & without
MODE 4 Without twilight ON custom & with wiper INT, LO and HI
MODE 5 Without twilight ON custom & with wiper LO and HI
MODE 6 Without twilight ON custom & without
Service item Setting item Setting
Monitor item
[Unit] Description
PUSH SW
[On/Off] The switch status input from push-button ignition switch
ENGINE STATE
[Stop/Stall/Crank/Run] The engine status received from ECM via CAN communication
VEH SPEED 1
[km/h] The value of the vehicle speed received from combination meter via CAN communi-
cation
TURN SIGNAL R
[On/Off]
Each switch status that BCM judges from the combination switch reading function
TURN SIGNAL L
[On/Off]
TA I L L A M P S W
[On/Off]
HI BEAM SW
[On/Off]
HEAD LAMP SW1
[On/Off]
HEAD LAMP SW2
[On/Off]
PASSING SW
[On/Off]
AUTO LIGHT SW
[On/Off]
FR FOG SW
[On/Off]
RR FOG SW
[On/Off]
NOTE:
This item is indicated, but can not monitored
Revision: 2010 May2011 QX56

BCS
DIAGNOSIS SYSTEM (BCM)BCS-21
< SYSTEM DESCRIPTION >
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ACTIVE TEST
*: Only models for Canada display this item.
WIPER
WIPER : CONSULT-III Function (BCM - WIPER)INFOID:0000000006376469
WORK SUPPORT
DOOR SW-DR
[On/Off]
The switch status input from front door switch (driver side)
DOOR SW-AS
[On/Off] The switch status input from front door switch (passenger side)
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
DOOR SW-BK
[On/Off] The switch status input from back door switch
OPTICAL SENSOR
[On/Off] The sensor status input from optical sensor
OPTI SEN (DTCT)
[V] The value of outside brightness voltage input from the optical sensor
OPTI SEN (FILT)
[V] The value of outside brightness voltage filtered by BCM
Monitor item
[Unit] Description
Test item Operation Description
TAIL LAMP On
Transmits the position light request signal to IPDM E/R via CAN commu-
nication to turn the tail lamp ON
Off Stops the tail lamp request signal transmission
HEAD LAMP Hi
Transmits the high beam request signal via CAN communication to turn
the headlamp (HI)
Lo Transmits the low beam request signal via 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 via CAN com-
munication to turn the front fog lamp ON
Off Stops the front light request signal transmission
RR FOG LAMP On
NOTE:
This item is indicated, but can not tested
Off
DAYTIME RUNNING LIGHT* On
Transmits the front fog lights request signal to IPDM E/R via CAN com-
munication to turn the front fog lamp ON (daytime running light system)
Off Stops the front light request signal transmission (daytime running light
system)
ILL DIM SIGNAL On Transmits the dimmer signal to combination meter via CAN communi-
cation and dims combination meter
 Transmits the dimmer signal to AV control unit and dims display
Off Stops the dimmer signal transmission
Revision: 2010 May2011 QX56

BCS
DIAGNOSIS SYSTEM (BCM)BCS-23
< SYSTEM DESCRIPTION >
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FLASHER
FLASHER : CONSULT-III F
unction (BCM - FLASHER)INFOID:0000000006376462
WORK SUPPORT
*: Factory setting
DATA MONITOR
ACTIVE TEST
Test item Operation Description
FR WIPER Hi
Transmits the front wiper request signal (HI) to IPDM E/R via CAN communication to op-
erate the front wiper HI operation.
Lo Transmits the front wiper request signal (LO) to IPDM E/R via CAN communication to
operate the front wiper LO operation.
INT Transmits the front wiper request signal (INT) to IPDM E/R via CAN communication to
operate the front wiper INT operation.
Off Stops transmitting the front wiper request signal to stop the front wiper operation.
RR WIPER On Output the voltage to operate the rear wiper motor.
Off Stops the voltage to stop the rear wiper motor.
HEADLAMP WASH-
ER On
Transmits the headlamp washer request signal to IPDM E/R via CAN communication to
operate the headlamp washer operation.
Service item Setting item Setting
HAZARD ANSWER
BACK Lock Only With locking only
Sets the hazard warning lamp answer back function
when the door is lock/unlock with the request switch or
the key fob.
Unlk Only With unlocking only
Lock&Unlk
*With locking/unlocking
Off Without the function
Monitor item [Unit] Description
REQ SW-DR
[On/Off] The switch status input from the request switch (driver side)
REQ SW-AS
[On/Off] The switch status input from the request switch (passenger side)
PUSH SW
[On/Off] The switch status input from the push-button ignition switch
TURN SIGNAL R
[On/Off] Each switch status that BCM detects from the combination switch reading function
TURN SIGNAL L
[On/Off]
HAZARD SW
[On/Off] The switch status input from the hazard switch
RKE-LOCK
[On/Off] Lock signal status received from the remote keyless entry receiver
RKE-UNLOCK
[On/Off] Unlock signal status received from the remote keyless entry receiver
RKE-PANIC
[On/Off] Panic alarm signal status received from the remote keyless entry receiver
Revision: 2010 May2011 QX56

BCS
DIAGNOSIS SYSTEM (BCM)BCS-25
< SYSTEM DESCRIPTION >
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SELF-DIAG RESULT
Refer to
BCS-57, "DTCIndex".
DATA MONITOR
SHORT CRANKING OUTPUT Starter motor can operate during the times below
 70 msec
100 msec
200 msec
CONFIRM KEY FOB ID It can be checked wh ether Intelligent Key ID code is registered or not in this mode
AUTO LOCK SET Auto door lock operation time can be changed in this mode
 MODE 1: OFF
 MODE 2: 30 sec
 MODE 3: 1 minute
 MODE 4: 2 minutes
 MODE 5: 3 minutes
 MODE 6: 4 minutes
 MODE 7: 5 minutes
HORN WITH KEYLESS LOCK Horn reminder function mode by Intelligent Key button can be selected from the following with
this mode
 On: Operate
 Off: Non-operation
PW DOWN SET Unlock button pressing time on Intelligent Key button can be selected from the following with
this mode
 MODE 1: 3 sec
 MODE 2: Non-operation
 MODE 3: 5 sec
WELCOME LIGHT SELECT Welcome light function mode can be selected from the following with this mode
 Puddle/Outside Handle
Room lamp
 Head & Tail Lamps (this item is displayed, but cannot be used)
 Heart Beat
WELCOME LIGHT OP SET Welcome light function mode can be changed to operation with this mode
 On: Operate
 Off: Non-operation
Monitor item Description
Monitor Item Condition
REQ SW -DR Indicates [On/Off] condition of door request switch (driver side)
REQ SW -AS Indicates [On/Off] condition of door request switch (passenger side)
REQ SW -BD/TR Indicates [On/Off] condition of back door request switch
PUSH SW Indicates [On/Off] condition of push-button ignition switch
CLUTCH SW NOTE:
This item is displayed, but cannot be monitored
BRAKE SW 1 Indicates [On/Off]* conditio n of stop lamp switch power supply
BRAKE SW 2 Indicates [On/Off] co ndition of stop lamp switch
DETE/CANCL SW Indicates [On/Off] condition of P position
SFT PN/N SW Indicates [On/Off] condition of P or N position
S/L -LOCK Indicates [On/Off] condition of steering lock unit (LOCK)
S/L -UNLOCK Indicates [On/Off] condition of steering lock unit (UNLOCK)
S/L RELAY -F/B Indicates [On/Off] condition of steering lock relay
UNLK SEN -DR Indicates [On/Off] condition of driver door UNLOCK status
PUSH SW -IPDM Indicates [On/Off] condition of push-button ignition switch
IGN RLY1 -F/B Indicates [On/Off] condition of ignition relay 1
DETE SW -IPDM Indicates [On/Off] condition of P position
Revision: 2010 May2011 QX56

BCS-28
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM)
BCM
BCM : CONSULT-III Function (BCM - BCM)INFOID:0000000006274811
WORK SUPPORT
IMMU
IMMU : CONSULT-III Function (BCM - IMMU)INFOID:0000000006376458
DATA MONITOR
ACTIVE TEST
TURN SIGNAL R
[Off/On]Displays the status of
the TURN RH switch in combination switch ju dged by BCM with the combination switch
reading function.
TURN SIGNAL L
[Off/On] Displays the status of
the TURN LH switch in combin ation switch judged by BCM with th e combination switch
reading function.
TAIL LAMP SW
[Off/On] Displays the status of the TAIL LAMP switch in combination switch judged by BCM with the combination
switch reading function.
HI BEAM SW
[Off/On] Displays the status of the HI BEAM switch in combination switch judged by BCM with the combination switch
reading function.
HEAD LAMP SW 1
[Off/On] Displays the status of the HEADLAMP 1 switch in combination switch judged by BCM with the combination
switch reading function.
HEAD LAMP SW 2
[Off/On] Displays the status of the HEADLAMP 2 switch in combination switch judged by BCM with the combination
switch reading function.
PASSING SW
[Off/On] Displays the status of the PASSING sw
itch in combination switch judged by BCM with the combination switch
reading function.
AUTO LIGHT SW
[Off/On] Displays the status of the AUTO LIGHT switch in combination switch judged by BCM with the combination
switch reading function.
FR FOG SW
[Off/On] Displays the status of the FR FOG switch in combination switch judged by BCM with the combination switch
reading function.
RR FOG SW
[Off/On] NOTE:
The item is indicated, but not monitored.
Monitor item [
UNIT] Description
Item Description
RESET SETTING VALUE Return a value set wi th Work Support of each system to a default value in factory shipment.
Monitor item Content
CONFRM ID ALL
Indicates [YET] at all time.
Switches to [DONE] when a registered Intelligent Key backside is contacted to push-button ignition
switch.
CONFIRM ID4
CONFIRM ID3
CONFIRM ID2
CONFIRM ID1
NOT REGISTERED
Indicates [ID OK] when key ID that is registered is received or is not yet received.
Indicates [ID NG] when key ID that is not registered is received.
TP 4
Indicates the number of IDs that are registered.
TP 3
TP 2
TP 1
PUSH SW Indicates [ON/OFF] condition of push-button ignition switch.
Revision: 2010 May2011 QX56

BCS
DIAGNOSIS SYSTEM (BCM)BCS-31
< SYSTEM DESCRIPTION >
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WORK SUPPORT
ACTIVE TEST
RETAIND PWR
RETAIND PWR : CONSULT-III F
unction (BCM - RETAINED PWR)INFOID:0000000006376459
Data monitor
SIGNAL BUFFER
SIGNAL BUFFER : CONSULT-III F unction (BCM - SIGNAL BUFFER)INFOID:0000000006274818
DATA MONITOR
DOOR SW-RL Indicates [ON/OFF] condition of rear door switch LH.
DOOR SW-BK Indicates [ON/OFF] condition of back door switch.
CDL LOCK SW Indicates [ON/OFF] condition of lock signal from door lock/unlock switch LH and RH.
CDL UNLOCK SW Indicates [ON/OFF] condition of unlock signal from door lock/unlock switch LH and RH.
KEY CYL LK-SW Indicates [ON/OFF] condition of lock signal from door key cylinder.
KEY CYL UN-SW Indicates [ON/OFF] condition of unlock signal from door key cylinder.
TR/BD OPEN SW Indicates [ON/OFF] condition of back door opener switch.
TRNK/HAT MNTR NOTE:
This item is displayed, but cannot be monitored.
RKE-LOCK Indicates [ON/OFF] condition of LOCK signal from Intelligent Key.
RKE-UNLOCK Indicates [ON/OFF] condition of UNLOCK signal from Intelligent Key.
RKE-TR/BD NOTE:
This item is displayed, but cannot be monitored.
Monitored Item Description
Service Item Description
SECURITY ALARM SET This mode is able to confirm and change security alarm ON-OFF setting.
THEFT ALM TRG The switch which triggered vehicle security alarm is recorded.
This mode is able to confirm and erase the record of vehicle security alarm.
The trigger data can be erased by touching “CLEAR” on CONSULT-III screen.
Test Item Description
THEFT IND This test is able to check security indicator lamp operation. Security indicator lamp is turned on
when “ON” on CONSULT-III screen is touched.
VEHICLE SECURITY HORN This test is able to check horn operation. Horn is activated for 0.5 seconds after “ON” on CONSULT-
III screen is touched.
HEADLAMP(HI) This test is able to check headlamp operation. Headlamps are activated for 0.5 seconds after “ON”
on CONSULT-III screen is touched.
FLASHER This test is able to check hazard warning lamp operation. Hazard warning lamps are activated after
“ON” on CONSULT-III screen is touched.
Monitor Item Description
DOOR SW-DR Indicates [ON/OFF] condition of driver side door switch.
DOOR SW-AS Indicates [ON/OFF] condition of passenger side door switch.
Monitor item [UNIT] Description
PUSH SW
[Off/On] Displays the status of the push-button ignition switch (push switch) judged by BCM.
Revision: 2010 May2011 QX56

BCS
BCM
BCS-33
< ECU DIAGNOSIS INFORMATION >
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ECU DIAGNOSIS INFORMATION
BCM
Reference ValueINFOID:0000000006274819
VALUES ON THE DIAGNOSIS TOOL
CONSULT-III MONITOR ITEM
Monitor Item Condition Value/Status
FR WIPER HI Other than front wiper switch HI Off
Front wiper switch HI On
FR WIPER LOW Other than front wiper switch LO Off
Front wiper switch LO On
FR WASHER SW Front washer switch OFF Off
Front washer switch ON On
FR WIPER INT Other than front wiper switch AUTO Off
Front wiper switch AUTO On
FR WIPER STOP Front wiper is not in STOP position Off
Front wiper is in STOP position On
INT VOLUME Wiper volume dial is in a dial position 1 - 7 Wiper volume dial po-
sition
RR WIPER ON Other than rear wiper switch ON Off
Rear wiper switch ON On
RR WIPER INT Other than rear wiper switch INT Off
Rear wiper switch INT On
RR WASHER SW Rear washer switch OFF Off
Rear washer switch ON On
RR WIPER STOP Rear wiper is in STOP position Off
Rear wiper is not in STOP position On
TURN SIGNAL R Other than turn signal switch RH Off
Turn signal switch RH On
TURN SIGNAL L Other than turn signal switch LH Off
Turn signal switch LH On
TA I L L A M P S W Other than lighting switch 1ST and 2ND Off
Lighting switch 1ST or 2ND On
HI BEAM SW Other than lighting switch HI Off
Lighting switch HI On
HEAD LAMP SW 1 Other than lighting switch 2ND Off
Lighting switch 2ND On
HEAD LAMP SW 2 Other than lighting switch 2ND Off
Lighting switch 2ND On
PASSING SW Other than lighting switch PASS Off
Lighting switch PASS On
AUTO LIGHT SW Other than lighting switch AUTO Off
Lighting switch AUTO On
FR FOG SW Front fog lamp switch OFF Off
Front fog lamp switch ON On
Revision: 2010 May2011 QX56

BCS-80
< SYMPTOM DIAGNOSIS >
COMBINATION SWITCH SYSTEM SYMPTOMS
SYMPTOM DIAGNOSIS
COMBINATION SWITCH SYSTEM SYMPTOMS
Symptom TableINFOID:0000000006274844
1. Perform “Data Monitor” of CONSULT-II I to check for any malfunctioning item.
2. Check the malfunction combinations.
Malfunction item: ×
3. Identify the malfunctioning part from the agreed combination and repair or replace the part.
Data monitor item
Malfunc-
tion com-
bination
FR WIPER HI
FR WIPER LOW
FR WASHER SW
FR WIPER INT
RR WIPER ON
RR WIPER INT
RR WASHER SW INT VOLUME
TURN SIGNAL R TURN SIGNAL L TAIL LAMP SW
HI BEAM SW
HEAD LAMP SW 1
HEAD LAMP SW 2 PASSING SW
AUTO LIGHT SW
FR FOG SW
×× ×× A
×× ×× B
×× × × C
×× × × D
×× × E
××× F
×××× G
×× ×H
×××× I
× ××× J
All Items K
If only one item is detected or the item is not applicable to the combinations A to K L
Malfunction
combination Malfunctioning part Repair or replace
A Combination switch OUTPUT 1 circuit
Inspect the combination switch output circuit applicable to the malfunction-
ing part. Refer to BCS-76, "
Diagnosis Procedure".
B Combination switch OUTPUT 2 circuit
C Combination switch OUTPUT 3 circuit
D Combination switch OUTPUT 4 circuit E Combination switch OUTPUT 5 circuitF Combination switch INPUT 1 circuit
Inspect the combination switch input circuit applicable to the malfunctioning
part. Refer to BCS-78, "
Diagnosis Procedure".
G Combination switch INPUT 2 circuit
H Combination switch INPUT 3 circuit I Combination switch INPUT 4 circuit
J Combination switch INPUT 5 circuit
K BCM Replace BCM. Refer to BCS-81, "
Removal and Installation".
L Combination switch Replace combination switch.
Revision: 2010 May2011 QX56