Infiniti FX35, FX50 (S51). Manual — part 475
INTELLIGENT KEY SYSTEM
DLK-23
< SYSTEM DESCRIPTION >
C
D
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F
G
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B
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7.
Front door switch (driver side) B16
8.
Front door lock assembly (driver
side) D15
9.
Fuel lid lock actuator B242
10. Back door opener switch D114
11.
Horn (low) E69, E70
12. Horn (high) E61, E62
13. Intelligent Key warning buzzer E80
A.
Dash side lower (passenger side)
B.
Engine room dash panel (RH)
C.
Behind the instrument lower panel
(driver side)
D.
View with center console assembly
removed
E.
View with front door finisher (LH) re-
moved
F.
View with luggage side finisher lower
(RH) removed
G.
View with front bumper removed
H.
View with front bumper removed
1.
Push-button ignition switch (push
switch) M50
2.
Inside key antenna (instrument cen-
ter) M131
3.
Unified meter and A/C amp.
M66, M67
4.
Inside key antenna (console) M146
5.
Inside key antenna (luggage room)
B228
6.
Front outside handle LH (request
switch)
D13
7.
Front outside handle LH (outside key
antenna) D14
8.
Back door control unit D123
9.
Outside key antenna (back door)
D118
JMKIA2607ZZ
DLK-24
< SYSTEM DESCRIPTION >
INTELLIGENT KEY SYSTEM
DOOR LOCK FUNCTION : Component Description
INFOID:0000000005239493
BACK DOOR OPEN FUNCTION
BACK DOOR OPEN FUNCTION : System Diagram
INFOID:0000000005239494
BACK DOOR OPEN FUNCTION : System Description
INFOID:0000000005239495
This section describes the operation of the back door opener switch. The operation of the back door request
switch is the same as the door lock function. Refer to
DLK-19, "DOOR LOCK FUNCTION : System Descrip-
.
• The back door opener function can open the back door by pressing the back door opener switch while carry-
ing the Intelligent Key. At this time, all doors other than the back door and fuel lid are locked.
• The back door opener function can open the back door by pressing the back door opener switch with all
doors and fuel lid unlocked by using the door request switch or remote controller.
BACK DOOR OPEN
• When the BCM detects that back door opener switch is pressed, it activates the outside key antenna (back
door) and inside key antenna and transmits the request signal to the Intelligent Key. And then, checks that
the Intelligent Key is near the back door.
10. Back door lock assembly D122
11.
Back door opener request switch
D116
A.
View with luggage floor finisher front
removed
B.
View with back door finisher inner re-
moved
Item
Function
BCM
Controls the door lock function.
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.
JMKIA2680GB
INTELLIGENT KEY SYSTEM
DLK-25
< SYSTEM DESCRIPTION >
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• 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.
• When the back door opener switch operation signal is transmitted from BCM, closure motor is operated in
back door control unit.
The operation of the back door open is the same as the back door opener system. Refer to
FUNCTION : System Description"
OPERATION CONDITION
If the following conditions are satisfied, the back door can be opened.
• Back door is closed
• Ignition switch is in the OFF position
• Intelligent Key is out of key slot
• Intelligent Key is outside of vehicle
• Intelligent Key is within out side key antenna detection area
OUTSIDE KEY ANTENNA DETECTION AREA
The outside key antenna detection area of back door open function
is in the range of approximately 80 cm (31.50 in) surrounding the
back door opener switch (1). However, this operating range depends
on the ambient conditions.
HAZARD AND BUZZER REMINDER FUNCTION
When the back door is opened using the back door opener switch, the hazard warning lamps and horn blink or
sound as a reminder.
LIST OF OPERATION RELATED PARTS
Parts marked with
×
are the parts related to operation.
JMKIA1955ZZ
Door lock function
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BCM
Hazard warning lamp
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Back door open function by back door opener switch
(Carrying Intelligent Key)
×
×
×
×
×
×
×
×
×
×
×
Hazard and buzzer reminder function for door lock/unlock
operation
×
×
×
×
DLK-26
< SYSTEM DESCRIPTION >
INTELLIGENT KEY SYSTEM
BACK DOOR OPEN FUNCTION : Component Parts Location
INFOID:0000000005239496
1.
BCM M118, M119, M120, M121,
M122, M123
2.
Combination meter M53
3.
Key slot M22
4.
IPDM E/R E5, E6
5.
Remote keyless entry receiver M104 6.
A/T shift selector (detention switch)
M137
JMKIA2606ZZ
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