Infiniti EX35. Manual - part 452

DLK-22

< FUNCTION DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY SYSTEM

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) E61, E62

12.

Horn (high) E69, E70

13. Intelligent Key warning buzzer E57

A.

Dash side lower (passenger side)

B.

Engine room dash panel (RH)

C.

Behind the instrument lower pan-
el (driver side)

D.

View with center console assembly 
removed

E.

View with front door finisher (LH) is 
removed

F.

View luggage side finisher lower 
(RH) is removed

G.

View with front bumper is removed

1.

Push-button ignition switch (push 
switch) M50

2.

Inside key antenna (instrument center) 
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.

Outside key antenna (back door) D118

9.

Back door lock assembly D113

JMKIA2223ZZ

INTELLIGENT KEY SYSTEM

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< FUNCTION DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

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DOOR LOCK FUNCTION : Component Description

INFOID:0000000003728832

BACK DOOR OPEN FUNCTION

BACK DOOR OPEN FUNCTION : System Diagram

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BACK DOOR OPEN FUNCTION : System Description

INFOID:0000000003728834

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-18, "DOOR LOCK FUNCTION : System Descrip-

tion"

. 

• 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 are unlocked by the door request switch or remote controller. 

BACK DOOR OPEN

• When the BCM detects that back door opener switch is pressed, it starts the outside key antenna (back

door) and inside key antenna and transmits the request signal to the Intelligent Key. And then, check that the
Intelligent Key is near the back door.

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 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.

JMKIA2276GB

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< FUNCTION DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY SYSTEM

• 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.
• BCM open the back door and sounds Intelligent Key buzzer warning at the same time as a reminder.

OPERATION CONDITION

If the following conditions are satisfied, the back door can be opened. 
• Back door is closed
• Ignition switch is in 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

Back door opening operation by back door opener switch, the hazard warning lamps and born will blink or
honk 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

×

×

×

×

INTELLIGENT KEY SYSTEM

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< FUNCTION DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

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BACK DOOR OPEN FUNCTION : Component Parts Location

INFOID:0000000003738684

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

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