Infiniti G37 Coupe. Manual - part 5

 

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Infiniti G37 Coupe. Manual - part 5

 

 

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< FUNCTION DIAGNOSIS >

AUTOMATIC DRIVE POSITIONER SYSTEM

AUTOMATIC DRIVE POSITIONER SYSTEM : System Description

INFOID:0000000001693618

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 position automat-
ically 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).

Power walk-in function

The seat is made to advance when the seat back of driver seat is folded down and press the walk-
in switch. The seat is made to retreat to former position when the seat back of driver seat is folded 
up and press the walk-in switch.

Intelligent Key interlock function

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

AUTOMATIC DRIVE POSITIONER SYSTEM

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< FUNCTION DIAGNOSIS >

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D

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AUTOMATIC DRIVE POSITIONER SYSTEM : Component Parts Location

INFOID:0000000001693617

JMJIA0843ZZ

1.

BCM  M118,  M119,  M122,  M123

2.

Automatic drive positioner control unit 
M51, M52

3.

Driver seat control unit B503, B504

4.

Unified meter and A/C amp. M67

5.

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

6.

A/T assembly connector F51

7.

Tilt & telescopic switch M31

8.

Key slot M22

9.

Tilt sensor M48

10. Telescopic sensor M48

11.

Seat memory switch D5

12. Door mirror remote control switch 

D17

A.

Dash side lower (passenger side)

B.

View with instrument driver lower 
panel removed

C.

Backside of seat cushion (driver side)

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

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< FUNCTION DIAGNOSIS >

AUTOMATIC DRIVE POSITIONER SYSTEM

JMJIA0844ZZ

13. Driver side door switch B16

14. A/T device (detention switch) M137

15. Parking brake switch B14

16. Door mirror (driver side) D3

17. Telescopic motor M49

18. Tilt motor M49

19. Forward switch B512

20. Sliding limit switch B514

21. Power walk-in switch B513

22.

Seat belt buckle switch (driver side) 
B13

H.

View with center console assembly 
is removed.

I.

View with center console assembly 
is removed.

J.

View with instrument driver lower 
panel is removed.

K.

View with seat back pad is removed. L.

View with seat cushion pad is re-
moved.

AUTOMATIC DRIVE POSITIONER SYSTEM

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< FUNCTION DIAGNOSIS >

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AUTOMATIC DRIVE POSITIONER SYSTEM : Component Description

INFOID:0000000001693619

CONTROL UNITS

INPUT PARTS

Switches

JMJIA0845ZZ

23. Reclining motor B523

24. Reclining relay (backward) B520

25. Reclining relay (forawrd) B519

26.

Reclining switch 
(Power seat switch B510)

27.

Sliding, lifting switch
(Power seat switch B510)

28. Sliding sensor B526

29. Lifting motor (front) B527

30. Sliding motor B525

31. Lifting motor (rear) B529

M.

View with seat cushion pad and seat-
back pad are removed.

N.

Backside of seat cushion

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.

TCM

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

Item

Function

Key slot

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

Driver side door switch

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

 

 

 

 

 

 

 

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