Infiniti EX35. Manual - part 5

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< FUNCTION DIAGNOSIS >

AUTOMATIC DRIVE POSITIONER SYSTEM

AUTOMATIC DRIVE POSITIONER SYSTEM : System Description

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OUTLINE

The system automatically moves the driver seat, steering column and door mirror position by the driver seat
control unit and the automatic drive positioner control unit. The driver seat control unit corresponds with the
automatic drive positioner control unit by UART communication.

NOTE:
The lumbar support system and the side support system are controlled independently with no link to the auto-
matic drive positioner system.

Function Description 

Manual function

The driving position (seat, steering column and door mirror position) can be adjusted 
by using the power seat switch,  tilt & telescopic switch or door mirror remote control 
switch.

Seat synchronization function

The positions of the steering column and door mirror are adjusted to the proper posi-
tion automatically while linking with manual operation [seat sliding, seat lifting (rear) 
or seat reclining]. 

Memory function

The seat, steering column and outside mirror move to the stored driving position by 
pressing seat memory switch (1 or 2).

Entry/Exit assist function

Exit

On exit, the seat moves backward and the steering column moves upward and for-
ward.

Entry

On entry, the seat and steering column returns from exiting position to the previous 
driving position.

Intelligent Key interlock function

Perform memory operation, exiting operation and entry operation by Intelligent Key 
unlock operation or driver side door request switch unlock operation .

AUTOMATIC DRIVE POSITIONER SYSTEM

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AUTOMATIC DRIVE POSITIONER SYSTEM : Component Parts Location

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1.

BCM  M118,  M119,  M122,  M123

2.

Automatic drive positioner control unit 
M51, M52

3.

Tilt motor M49

4.

Telescopic motor M49

5.

Unified meter and A/C amp. M67

6.

AV control unit
With NAVI M87, M88
Without NAVI M83, M85

7.

AT assembly connector F51

8.

Tilt & telescopic switch M31

9.

Key slot M22

10. Tilt sensor M48

11.

Telescopic sensor M48

12. Seat memory switch D5

13. Door mirror remote control switch 

D17

A.

Dash side lower (Passenger side)

B.

View with instrument driver lower 
panel removed

C.

View with steering column cover low-
er and upper removed

D.

Behind cluster lid C

E.

A/T assembly
(TCM is built in A/T assembly)

F.

View with instrument driver lower 
panel removed

G

View with steering column cover low-
er and upper removed

JMJIA1472ZZ

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< FUNCTION DIAGNOSIS >

AUTOMATIC DRIVE POSITIONER SYSTEM

AUTOMATIC DRIVE POSITIONER SYSTEM : Component Description

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CONTROL UNITS

INPUT PARTS

Switches

14. Front door switch (driver side) B16

15. Control device (detention switch) 

M137

16. Sliding, lifting switch

 (Power seat switch B459)

17. Reclining switch (power seat switch 

B459)

18.  Door mirror (driver side) D3

19. Reclining motor B454

20.  Driver seat control unit B451, B452

21. Lifting motor (front) B455

22. Lifting motor (rear) B456

23. Sliding motor B461

24. Sliding sensor B453

H.

View with center console assembly 
removed

I.

View with seat cushion pad and seat-
back pad removed

J.

Backside of the seat cushion

JMJIA1473ZZ

Item

Function

Driver seat control unit

• Main units of automatic drive positioner system
• It is connected to the CAN.
• It communicates with the automatic drive positioner control via UART communi-

cation.

Automatic drive positioner control unit

• It communicates with the driver seat control unit via UART communication.
• Perform various controls with the instructions of driver seat control unit.
• Perform the controls of the tilt & telescopic, door mirror and the seat memory 

switch.  

BCM

Transmit the following status to the driver seat control unit via CAN communication.
• Driver door: OPEN/CLOSE
• Ignition switch position: ACC/ON
• Door lock: UNLOCK (with Intelligent Key or driver side door request switch oper-

ation)

• Key  ID
• Key switch: Insert/Pull out Intelligent Key
• Starter: CRANKING/OTHER

Unified meter and A/C amp.

Transmit the vehicle speed signal to the driver seat control unit via CAN communi-
cation.

AV control unit

The setting change of auto drive positioner system can be performed on the display.

TCM

Transmit the shift position signal (P range) to the driver seat control unit via CAN 
communication.

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Sensors

OUTPUT PARTS

MANUAL FUNCTION

Item

Function

Key slot

The key switch is installed to detect the key inserted/removed status.

Front door switch (driver side)

Detect front door (driver side) open/close status. 

Control device (detention switch)

Detect the P range position of A/T selector lever.

Set switch

The registration and system setting can be performed with its operation.

Memory switch 1/2

The registration and operation can be performed with its operation.

Power seat switch

The following switch is installed.
• Reclining switch
• Lifting switch (front)
• Lifting switch (rear)
• Sliding switch
The specific parts can be operated with the operation of each switch.

Tilt & telescopic switch

The following switch is installed.
• Tilt switch
• Telescopic switch
The specific parts can be operated with the operation of each switch.

Door mirror remote control switch

The following switch is installed.
• Mirror switch
• Changeover switch
The specific parts can be operated with the operation of each switch.

Item

Function

Door mirror sensor 
(driver side/passenger side)

Detect the up/down and left/right position of outside mirror face.

Tilt and telescopic sensor

Detect the up/down and left/right position of steering column.

Lifting sensor (front)

Detect the up/down position of seat lifting (front).

Lifting sensor (rear)

Detect the up/down position of seat lifting (rear).

Reclining sensor

Detect the tilt of seatback.

Sliding sensor

Detect the front/rear position of seat.

Item

Function

Door mirror motor
(driver side/passenger side)

Move the outside mirror face upward/downward and leftward/rightward.

Tilt and telescopic motor

Move the steering column upward/downward and frontward/rearward.

Lifting motor (front)

Move the seat lifting (front) upward/downward.

Lifting motor (rear)

Move the seat lifting (rear) upward/downward.

Reclining motor

Tilt and raise up the seatback.

Sliding motor

Slide the seat frontward/rearward.

Memory indicator

Illuminates or flashes according to the registration/operation status.