horn INFINITI QX56 2011 Factory User Guide

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FUEL LID LOCK ACTUATOR DOES NOT OP-
ERATE ............................................................ ..
176
Diagnosis Procedure ........................................... ..176
IGNITION POSITION WARNING FUNCTION
DOES NOT OPERATE .....................................
177
Diagnosis Procedure ........................................... ..177
SELECTIVE UNLOCK FUNCTION DOES
NOT OPERATE ................................................
178
Diagnosis Procedure ........................................... ..178
AUTO DOOR LOCK OPERATION DOES NOT
OPERATE .........................................................
179
Diagnosis Procedure ........................................... ..179
VEHICLE SPEED SENSING AUTO LOCK
OPERATION DOES NOT OPERATE ..............
180
Diagnosis Procedure ........................................... ..180
IGN OFF INTERLOCK DOOR UNLOCK
FUNCTION DOES NOT OPERATE .................
181
Diagnosis Procedure ........................................... ..181
P RANGE INTERLOCK DOOR LOCK/UN-
LOCK FUNCTION DOES NOT OPERATE ......
182
Diagnosis Procedure ........................................... ..182
HAZARD AND HORN REMINDER DOES
NOT OPERATE ................................................
183
Diagnosis Procedure ........................................... ..183
HAZARD AND BUZZER REMINDER DOES
NOT OPERATE ................................................
184
Diagnosis Procedure ........................................... ..184
KEY REMINDER FUNCTION DOES NOT OP-
ERATE ..............................................................
185
Diagnosis Procedure ........................................... ..185
WELCOME LIGHT FUNCTION DOES NOT
OPERATE .........................................................
186
Diagnosis Procedure ........................................... ..186
OFF POSITION WARNING DOES NOT OP-
ERATE ..............................................................
188
Diagnosis Procedure ........................................... ..188
P POSITION WARNING DOES NOT OPER-
ATE ...................................................................
189
Description .......................................................... ..189
Diagnosis Procedure .............................................189
ACC WARNING DOES NOT OPERATE .........191
Description .......................................................... ..191
Diagnosis Procedure .............................................191
TAKE AWAY WARNING DOES NOT OPER-
ATE ...................................................................
192
Description .......................................................... ..192
Diagnosis Procedure .............................................192
KEY ID WARNING DOES NOT OPERATE ....194
Description ........................................................... ..194
Diagnosis Procedure .............................................194
INTELLIGENT KEY LOW BATTERY WARN-
ING DOES NOT OPERATE ............................
195
Description .............................................................195
Diagnosis Procedure .............................................195
DOOR LOCK OPERATION WARNING DOES
NOT OPERATE ...............................................
197
Diagnosis Procedure .............................................197
AUTOMATIC BACK DOOR OPERATION
DOES NOT OPERATE ....................................
198
ALL SWITCHES ..................................................... ..198
ALL SWITCHES : Description ...............................198
ALL SWITCHES : Diagnosis Procedure ................198
AUTOMATIC BACK DOOR SWITCH .................... ..199
AUTOMATIC BACK DOOR SWITCH : Descrip-
tion .........................................................................
199
AUTOMATIC BACK DOOR SWITCH : Diagnosis
Procedure ..............................................................
199
AUTOMATIC BACK DOOR CLOSE SWITCH ........199
AUTOMATIC BACK DOOR CLOSE SWITCH :
Description ........................................................... ..
199
AUTOMATIC BACK DOOR CLOSE SWITCH : Di-
agnosis Procedure .................................................
199
INTELLIGENT KEY ................................................ ..200
INTELLIGENT KEY : Description ..........................200
INTELLIGENT KEY : Diagnosis Procedure ......... ..200
BACK DOOR OPENER SWITCH .......................... ..200
BACK DOOR OPENER SWITCH : Description .....200
BACK DOOR OPENER SWITCH : Diagnosis Pro-
cedure ....................................................................
200
OPEN/CLOSURE FUNCTION ............................... ..201
OPEN/CLOSURE FUNCTION : Description .........201
OPEN/CLOSURE FUNCTION : Diagnosis Proce-
dure .......................................................................
201
OPEN FUNCTION .................................................. ..202
OPEN FUNCTION : Description ............................202
OPEN FUNCTION : Diagnosis Procedure ............202
CLOSURE FUNCTION .......................................... ..202
CLOSURE FUNCTION : Description .....................202
CLOSURE FUNCTION : Diagnosis Procedure .....203
AUTOMATIC BACK DOOR WARNING DOES
NOT OPERATE ...............................................
204
BUZZER ................................................................. ..204
BUZZER : Description ...........................................204
BUZZER : Diagnosis Procedure ............................204
HAZARD WARNING LAMP ................................... ..204
HAZARD WARNING LAMP : Description ..............204
Revision: 2010 May2011 QX56

DLK-12
< SYSTEM DESCRIPTION >
COMPONENT PARTS
DOOR LOCK SYSTEM : Component Description
INFOID:0000000006225834
1. Fuel lid lock actuator 2. Remote keyless entry receiver 3. Inside key antenna (luggage room)
4. Inside key antenna (console) 5. Air bag diagnosis sensor unit Refer to SRC-8, "
Component Parts
Location"
6. A/T assembly (TCM)
Refer to TM-10, "
A/T CONTROL
SYSTEM : Component Parts Loca-
tion"
7. Inside key antenna (instrument cen-
ter) 8. IPDM E/R
Refer to PCS-4, "
Component Parts
Location"
9. Horn
10. Intelligent Key warning buzzer 11. BCM Refer to BCS-4, "
BODY CONTROL
SYSTEM : Component Parts Loca-
tion"
12. Power window main switch (door
lock and unlock switch)
13. Outside key antenna (driver side) 14. Front door switch (driver side) 15. Front door lock assembly (driver side)
16. Front door request switch (driver side)
A. View with luggage side finisher lower LHD and rear speaker removed B. View with luggage side finisher up-
per removed C. Under the second seat seatback
D. View with console rear finisher re- moved E. View with cluster lid C removed F. Engine room LH
1. Push-button ignition switch 2. Back door request switch 3. Outside key antenna (back door)
4. Back door opener switch 5. Back door lock assembly 6. Front door lock assembly (passen- ger side)
7. Front door switch (passenger side) 8. Front door request switch (passen- ger side)9. Outside key antenna (passenger
side)
A. View with back door finisher inner re- moved
JMKIA5218ZZ
Item Function
BCM Controls the door lock system
IPDM E/R Sounds horn via CAN communication between BCM
Air bag diagnosis sensor unit  Transmits air bag signal to BCM
 Refer to
SRC-9, "
Component Description"
Revision: 2010 May2011 QX56

SYSTEM (INTELLIGENT KEY SYSTEM)
DLK-19
< SYSTEM DESCRIPTION >
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DOOR LOCK FUNCTION
DOOR LOCK FUNCTION : System DiagramINFOID:0000000006225841
DOOR LOCK FUNCTION : System DescriptionINFOID:0000000006225842
Only when pressing the door request switch, it is possi ble to lock and unlock the door by carrying the Intelli-
gent Key.
OPERATION DESCRIPTION
 When the BCM detects that each door request switch is pressed, it activates the outside key antenna and
inside key antenna corresponding to the pressed door reques t switch and transmits the request signal to the
Intelligent Key. And then, check that the Intelligent Key is near the door.
 If the Intelligent Key is within the outside key ant enna detection area, it receives the request signal and
transmits the key ID signal to the BCM via remote keyless entry receiver.
 BCM receives the key ID signal and compares it with the registered key ID.
 BCM locks/unlocks each doors (except back door).
 BCM sounds Intelligent Key warning buzzer (lock: 2 ti mes, unlock: 1 time) and blinks hazard warning lamps
(lock: 2 times, unlock: 1 time) at the same time as a reminder.
Key reminder The key reminder buzzer sounds a warning if the door is locked with the key left
inside the vehicle DLK-26
Welcome lightWhen the Intelligent Key is carried, and vehicle doors are approached, the BCM
illuminates interior room lamps and operates heart beat operation of the push-
button ignition switch DLK-26
Warning
If an action that does not meet the operating condition of the Intelligent Key sys-
tem is taken, the buzzer sounds to inform the driver DLK-27
Engine start The engine can be turned on while carrying the Intelligent Key
SEC-12
Interior room lamp control Interior room lamp is controlled according to door lock/unlock state INL-6
Power window Power window can be operated by Intelligent Key button operationPWC-8
Automatic drive positioner Automatic drive positioner system can be operated by door unlock operationADP-11
Panic alarm When Intelligent Key panic alarm button is pressed, horn soundsSEC-18
Function Description Refer
JMKIA5068GB
Revision: 2010 May2011 QX56

SYSTEM (INTELLIGENT KEY SYSTEM)
DLK-23
< SYSTEM DESCRIPTION >
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REMOTE KEYLESS ENTRY FUNCTION
REMOTE KEYLESS ENTRY F UNCTION : System DiagramINFOID:0000000006225845
REMOTE KEYLESS ENTRY FUNCT ION : System DescriptionINFOID:0000000006225846
The Intelligent Key has the same functions as the remote control entry system. Therefore, it can be used in the
same manner as the remote controller by operating the door lock/unlock button.
OPERATION
Remote keyless entry system controls operation of the following items.
 Door lock/unlock function
 Selective unlock function
 Auto door lock function
 Hazard and horn reminder function
 Automatic back door open/close function
OPERATION AREA
To check that the Intelligent Key works normally, use within 1 m (3 ft) range of each doors, however the opera-
ble range may differ according to surroundings.
DOOR LOCK/UNLOCK FUNCTION
 When door lock/unlock button of the Intelligent Key is pr essed, lock signal or unlock signal transmitted from
Intelligent Key to BCM via remote keyless entry receiver.
 When BCM receives the door lock/unlock signal, it operates all door lock actuators and fuel lid lock actuator,
blinks the hazard lamp (lock: 2 time, unlock: 1 times) and horn chirp signal to IPDM E/R at the same time as
a reminder.
 IPDM E/R honks horn (lock: 1 time) as a reminder.
Function
Intelligent Key
Remote keyless entry receiver Back door opener switch
Back door lock assembly Inside key antenna
Outside key antenna (back door) CAN communication system BCM
Automatic back door control module
Back door open function ×××××××××
JMKIA5435GB
Revision: 2010 May2011 QX56

DLK-24
< SYSTEM DESCRIPTION >
SYSTEM (INTELLIGENT KEY SYSTEM)
OPERATION CONDITION
If the following condition are satisfied, remote keyless entry operation is performed when the Intelligent Key is
operated.
SELECTIVE UNLOCK FUNCTION
 When an LOCK signal is transmitted from Intelligent Key, all doors and fuel filler lid are locked.
 When an UNLOCK signal is transmitted from Intelligent Key once, driver side door and fuel filler lid are
unlocked.
 Then, if an UNLOCK signal is transmitted from Inte lligent Key again within 60 seconds, all other doors
(except for back door) are unlocked.
How to change selective unlock operation mode.
Selective unlock operation mode can be changed using CONSULT-III.
Refer to DLK-39, "
DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)".
AUTO DOOR LOCK FUNCTION
After door is unlocked by Intelligent Key button operati on and if 60 seconds or more passes without performing
the following operation, all doors are locked. Howe ver, operation check function does not activate.
How to change auto door lock operation mode.
Auto door lock mode can be changed using CONSULT-III.
Refer to DLK-41, "
INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)".
HAZARD AND HORN REMINDER FUNCTION
When doors are locked or unlocked by Intelligent Key, BCM blinks hazard warning lamps as a reminder.
The hazard and horn reminder has a horn chirp mode (C mode) and a non-horn chirp mode (S mode).
Operating Function of Hazard and Horn Reminder
Hazard and horn reminder does not operate in the following conditions.
 Ignition switch position is ON.
 Door is open (only lock operation)
How to Change Hazard and Horn Reminder Mode
With CONSULT-III
Hazard and horn reminder operation mode can be changed using CONSULT-III.
Refer to DLK-41, "
INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)".
Without CONSULT-III
Remote controller operation Operation condition
Lock  Panic alarm is not activated
 P position warning is not activated
Unlock Panic alarm is not activated
Operating condition  Door switch is ON
(door is open)
Door is locked
 Push switch is pressed
C mode S mode
Intelligent Key operation Lock Unlock Lock Unlock
Hazard warning lamp blinks Twice Once Twice —
Horn sound Once — — —
Revision: 2010 May2011 QX56

SYSTEM (INTELLIGENT KEY SYSTEM)
DLK-25
< SYSTEM DESCRIPTION >
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When LOCK and UNLOCK signals are sent from the Intelligent Key for more than 2 seconds at the same time,
the hazard and horn reminder mode is changed and hazard warning lamp blinks and horn sounds as per the
following items:
AUTOMATIC BACK DOOR OPEN/CLOSE FUNCTION
When back door button of Intelligent Key is pressed fo r 0.4 second or more, back door open automatically for
detailed description, refer to DLK-31, "
System Description".
LIST OF OPERATION RELATED PARTS
Parts marked with × are the parts related to operation.
KEY REMINDER FUNCTION
KEY REMINDER FUNCTION : System DiagramINFOID:0000000006225847
JMKIA2755GB
Function
Intelligent Key
Door switch
Door lock actuator
Fuel lid lock actuator
Push-button ignition switch
CAN communication system BCM
IPDM E/R
Horn
Combination meter
Hazard warning lamp
Automatic back door control module
Back door lock assembly
Door lock/unlock function ×××× ×
Selective unlock function ×××× ×
Auto door lock function ××××× ×
Hazard and horn reminder function ××××××
Automatic back door open/close function ×××××
JMKIA5084GB
Revision: 2010 May2011 QX56

DIAGNOSIS SYSTEM (BCM)DLK-41
< SYSTEM DESCRIPTION >
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INTELLIGENT KEY : CONSULT-III Fu nction (BCM - INTELLIGENT KEY)INFOID:0000000006225856
WORK SUPPORT
Monitor item Description
INSIDE ANT DIAGNOSIS This function allows inside key antenna self-diagnosis
LOCK/UNLOCK BY I-KEY Door lock/unlock function by door request switch mode can be changed to operation in this
mode
 On: Operate
 Off: Non-operation
ENGINE START BY I-KEY Engine start function mode can be changed to operation with this mode
 On: Operate
 Off: Non-operation
TRUNK/GLASS HATCH OPEN Buzzer reminder function mode by back door opener switch can be changed to operation with
this mode
 On: Operate
 Off: Non-operation
PANIC ALARM SET Panic alarm button pressing time on Intelligent Key button can be selected from the following
with this mode
 MODE 1: 0.5 sec
 MODE 2: Non-operation
 MODE 3: 1.5 sec
TRUNK OPEN DELAY Back door open button pressing to Intelligent Key button can be selected as per the following
in this mode
 MODE 1: Press and hold
 MODE 2: Press twice
 MODE 3: Press and hold, or press twice
LO- BATT OF KEY FOB WARN Intelligent Key low battery warning mode can be changed to operation with this mode
 On: Operate
 Off: Non-operation
ANTI KEY LOCK IN FUNCTI Key reminder function mode can be changed to operation with this mode
 On: Operate
 Off: Non-operation
HAZARD ANSWER BACK Hazard reminder function mode by door request switch and Intelligent Key button can be se-
lected from the following with this mode
 Lock Only: Door lock operation only
 Unlock Only: Door unlock operation only
 Lock/Unlock: Lock and unlock operation
 Off: Non-operation
ANS BACK I-KEY LOCK Buzzer reminder function (lock operation) mode by door request switch can be selected from
the following with this mode
 Horn Chirp: Sound horn
 Buzzer: Sound Intelligent Key warning buzzer
 Off: Non-operation
ANS BACK I-KEY UNLOCK Buzzer reminder function (unlock operation) mode by door request switch can be changed to
operation with this mode
 On: Operate
 Off: Non-operation
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
Revision: 2010 May2011 QX56

DLK-42
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM)
SELF-DIAG RESULT
Refer to BCS-57, "DTCIndex".
DATA MONITOR
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]* condition of stop lamp switch power supply
BRAKE SW 2 Indicates [On/Off] condition 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
SFT PN -IPDM Indicates [On/Off] condition of P or N position
SFT P -MET Indicates [On/Off] condition of P position
SFT N -MET Indicates [On/Off] condition of N position
ENGINE STATE Indicates [Stop/Stall/Crank/Run] condition of engine states
Revision: 2010 May2011 QX56

DLK-44
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM)
TRUNK
TRUNK : CONSULT-III Function (BCM - TRUNK)INFOID:0000000006225857
DATA MONITOR
LCD This test is able to check meter display information
 Engine start information displays when “BP N” on CONSULT-III screen is touched
 Engine start information displays when “BP I” on CONSULT-III screen is touched
 Key ID warning displays when “ID NG” on CONSULT-III screen is touched
 Steering lock information displays when “ROTAT” on CONSULT-III screen is touched
 P position warning displays when “SFT P” on CONSULT-III screen is touched
 INSRT: This item is displayed, but cannot be monitored
 BATT: This item is displayed, but cannot be monitored
 Take away through window warning displays
when “NO KY” on CONSULT-III screen is
touched
 Take away warning display when “OUTKEY” on CONSULT-III screen is touched
 OFF position warning display when “LK WN” on CONSULT-III screen is touched
FLASHER This test is able to check security hazard lamp operation
The hazard lamps are activated after “LH/RH/Off” on CONSULT-III screen is touched
P RANGE This test is able to check A/T shift selector power supply
 On: Operate
 Off: Non-operation
ENGINE SW ILLUMI This test is able to check push-button ignition switch illumination operation
Push-ignition switch illumination illuminates when “ON” on CONSULT-III screen is touched
LOCK INDICATOR This test is able to check LOCK indicato
r (push-button ignition switch) operation
 On: Operate
 Off: Non-operation
ACC INDICATOR This test is able to check ACC indicator (push-button ignition switch) operation
 On: Operate
 Off: Non-operation
IGNITION ON IND This test is able to check ON indicator (push-button ignition switch) operation
 On: Operate
 Off: Non-operation
HORN This test is able to check horn operation
 On: Operate
 Off: Non-operation
TRUNK/BACK DOOR NOTE:
This item is displayed, but cannot be used
Test item Description
Monitor Item Contents
PUSH SW Indicates [On/Off] condition of push switch
UNLK SEN -DR Indicates [On/Off] condition of unlock sensor
VEH SPEED 1 Indicates [Km/h] condition of ve hicle speed signal from combination meter
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-TR/BD NOTE:
This item is displayed, but cannot be monitored
Revision: 2010 May2011 QX56

HAZARD AND HORN REMINDER DOES NOT OPERATEDLK-183
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HAZARD AND HORN REMIND ER DOES NOT OPERATE
Diagnosis ProcedureINFOID:0000000006226021
1.CHECK “HAZARD ANSWER BACK” SETTING IN “WORK SUPPORT”
1. Select “INTELLIGENT KEY” of “BCM” using CONSULT-III.
2. Select “HAZARD ANSWER BACK” in “WORK SUPPORT” mode.
3. Check the “HAZARD ANSWER BACK” setting in “WORK SUPPORT”.
Refer to DLK-41, "
INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Set the “Lock Only”, “Unlock Only” or “Lock/Unlock” in “HAZARD ANSWER BACK”.
2.CHECK “HORN WITH KEYLESS LOCK” SETTING IN “WORK SUPPORT”
1. Select “INTELLIGENT KEY” of “BCM” using CONSULT-III.
2. Select “HORN WITH KEYLESS LOCK” in “WORK SUPPORT” mode.
3. Check the “HORN WITH KEYLESS LOCK” in “WORK SUPPORT”.
Refer to DLK-41, "
INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Set the “On” in “H ORN WITH KEYLESS LOCK”.
3.CHECK HAZARD FUNCTION
Check hazard function.
Refer to DLK-149, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4.CHECK HORN FUNCTION
Check horn function.
Refer to SEC-143, "
ComponentFunctionCheck".
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace the malfunctioning parts.
5.REPLACE BCM
 Replace BCM. Refer to BCS-81, "
Removal and Installation".
 Confirm the operation after replacement.
Is the result normal?
YES >> INSPECTION END
NO >> Check intermittent incident. Refer to GI-40, "
Intermittent Incident".
Revision: 2010 May2011 QX56