Infiniti EX35. Manual — part 451
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< FUNCTION DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY SYSTEM
INTELLIGENT KEY SYSTEM : Component Description
INFOID:0000000003728828
DOOR LOCK FUNCTION
DOOR LOCK FUNCTION : System Diagram
INFOID:0000000003728829
DOOR LOCK FUNCTION : System Description
INFOID:0000000003728830
Only when pressing the request switch, it is possible to lock and unlock the door by carrying the Intelligent
Key.
OPERATION DESCRIPTION
• When the BCM detects that each door request switch is pressed, it starts the outside key antenna and inside
key antenna corresponding to the pressed door request switch and transmits the request signal to the Intelli-
gent Key. And then, check that the Intelligent Key is near the door.
• If the Intelligent Key is within the outside key antenna 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.
10. Back door opener request switch
D116
A.
View with luggage floor finisher
front is removed
B.
View with back door finisher inner is re-
moved
Item
Function
BCM
Controls the Intelligent Key system.
Door lock actuator
Output lock/unlock signal from BCM and locks/unlocks each door.
Door switch
Input door open/close condition to BCM.
Remote keyless entry receiver
Receives lock/unlock signal from the Intelligent Key, and then transmits to BCM.
Request switch
Input lock/unlock operation to BCM.
Intelligent Key
Transmits button operation to remote keyless entry receiver.
Outside key antenna
Detects if Intelligent Key is outside the vehicle.
Inside key antenna
Detects if Intelligent Key is inside the vehicle.
Unified meter and A/C amp.
• Receive buzzer signal from BCM via CAN communication line, and sounds the buzzer.
• Transmits vehicle speed signal to BCM via CAN communication line.
Combination meter
Display, buzzer (combination meter) and KEY warning lamp are installed to combination meter.
Intelligent Key warning buzzer
Warns the user of the lock/unlock condition and inappropriate operations with the buzzer sound.
JMKIA2274GB
INTELLIGENT KEY SYSTEM
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< FUNCTION DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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• BCM lock/unlock each door (except back door) and fuel lid lock actuator and sounds Intelligent Key buzzer
warning (lock: 2 time, unlock: 1 times) at the same time as a reminder.
OPERATION CONDITION
If the following conditions are satisfied, door lock/unlock operation is performed if the request switch is oper-
ated.
*: Even with a registered Intelligent Key remaining inside the vehicle, door locks can be unlocked from outside of the vehicle with a spare
Intelligent Key as long as key IDs are different.
OUTSIDE KEY ANTENNA DETECTION AREA
The outside key antenna detection area of door lock/unlock function
is in the range of approximately 80 cm (31.50 in) surrounding the
driver, passenger door handles and (1) and the back door request
switch (2). However, this operating range depends on the ambient
conditions.
SELECTIVE UNLOCK FUNCTION
When an LOCK signal is sent from door request switch (driver side or passenger side), all doors and fuel lid
will be locked.
When an UNLOCK signal is sent from door request switch (driver side or passenger side) once, driver's door
and fuel lid will be unlocked.
Then, if an UNLOCK signal is sent from door request switch (driver side and passenger side) again within 60
seconds, all other door will be unlocked.
HAZARD AND BUZZER REMINDER FUNCTION
During lock, unlock, operation by each request switch, the hazard warning lamps and Intelligent Key warning
buzzer will blink or honk as a reminder.
When doors are locked, unlocked by each request switch, BCM honks Intelligent Key warning buzzer as a
reminder and blinks.
Operating Function of Hazard and Buzzer Reminder
How to Change Hazard and Buzzer Reminder Mode
SEC-26, "INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)"
AUTO DOOR LOCK FUNCTION
When all doors are locked, ignition switch is in OFF position and key switch is OFF (Intelligent Key is not
inserted in key slot), doors are unlocked with door request switch
When BCM does not receive the following signals within 60 seconds, all doors and fuel lid are locked.
• Door switch is ON (door is opened)
• Door is locked
• Ignition switch is ON (ignition switch is pressed)
• Key switch is ON (Intelligent Key is inserted in key slot)
Each request switch operation
Operation condition
Lock operation
• All doors are closed
• Ignition switch is in OFF position
• Intelligent Key is out of key slot
• Intelligent Key is outside the vehicle
• Intelligent Key is within outside key antenna detection area
Unlock Operation
• Intelligent Key is outside the vehicle
• Intelligent Key is within outside key antenna detection area *
JMKIA1954ZZ
Operation
Hazard warning lamp flash
Intelligent Key warning buzzer honk
Unlock
Once
Once
Lock
Twice
Twice
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< FUNCTION DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
INTELLIGENT KEY SYSTEM
Auto door lock mode can be changed by “AUTO LOCK SET” mode in “WORK SUPPORT”. Refer to
"INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)"
.
INTERIOR ROOM LAMP CONTROL
Intelligent Key system turns on interior lamp by receiving UNLOCK signal from door request switch. For
detailed description, refer to
LIST OF OPERATION RELATED PARTS
Parts marked with
×
are the parts related to operation.
Door lock function
In
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Door switch
Do
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Do
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CAN co
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Hazard w
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swi
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Co
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Door lock/unlock function by request switch
×
×
×
×
×
×
×
×
×
Hazard and buzzer reminder function for door lock/
unlock operation
×
×
×
×
×
Key reminder function
×
×
×
×
×
×
×
×
×
×
×
Selective unlock function by request switch
(Driver side)
×
×
×
×
×
×
Selective unlock function by request switch
(Passenger side)
×
×
×
×
×
×
Selective unlock function by request switch (back
door)
×
×
×
×
×
Auto door lock function
×
×
×
×
×
×
×
INTELLIGENT KEY SYSTEM
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< FUNCTION DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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DOOR LOCK FUNCTION : Component Parts Location
INFOID:0000000003738683
1.
BCM M118, M119, M120, M121,
M122, M123
2.
Combination meter M53
3.
Key slot M22
4.
IPDM E/R E5, E6
5.
Remote key less entry receiver
M104
6.
Control device (detention switch)
M137
JMKIA2222ZZ
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