Infiniti G37 Coupe. Manual - part 1085

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< FUNCTION DIAGNOSIS >

POWER SEAT FOR DRIVER SIDE

FUNCTION DIAGNOSIS

POWER SEAT FOR DRIVER SIDE

POWER SEAT FUNCTION

POWER SEAT FUNCTION : System Diagram

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POWER SEAT FUNCTION : System Description

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SLIDING OPERATION

While operating the sliding switch located in power seat switch, sliding motor operates and makes possible the
seat front and back position adjustment.

RECLINING OPERATION

While operating the reclining switch located in power seat switch, reclining motor operates and makes possi-
ble the seat back forward and backward position adjustment.

LIFTING OPERATION

While operating the lifting switch located in power seat switch, lifting motor operates and makes possible the
seat cushion (front and rear) up and down position adjustment.

JMJIA0921GB

POWER SEAT FOR DRIVER SIDE

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< FUNCTION DIAGNOSIS >

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POWER SEAT FUNCTION : Component Parts Location

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JMJIA0913ZZ

1.

BCM M122, M123

2.

Seat belt buckle switch (driver side) 
B13 

3.

Power walk-in switch B513

4.

Reclining switch
(Power seat switch B511)

5.

Sliding, lifting switch
(Power seat switch B511)

6.

Reclining relay (backward) B518

7.

Sliding relay (forward) B515

8.

Sliding relay (backward) B516

9.

Reclining relay (forward) B517

10. Reclining motor B524

11.

Driver seat control unit B503, B504

12. Sliding sensor B526

13. Lifting motor (front) B528

14. Sliding motor B525

15. Lifting motor (rear) B530

16. Forward switch B512

17. Sliding limit switch B514

18. Driver side door switch B16

19. Unified meter and A/C amp. M67

A.

Dash side lower (passenger side)

B.

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

C.

View with back side of seat cushion.

D.

View with seat back pad is removed. E.

View with seat cushion pad is re-
moved.

F.

Behind cluster lid C

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< FUNCTION DIAGNOSIS >

POWER SEAT FOR DRIVER SIDE

POWER SEAT FUNCTION : Component Description

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POWER WALK-IN FUNCTION

POWER WALK-IN FUNCTION : System Diagram

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POWER WALK-IN FUNCTION : System Description

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OUTLINE

Slide the driver seat automatically with the power walk-in switch operation so as to easily facilitate the entry to
the rear seat.

Forward Operation

Slide (forward) the driver seat to the front end position (sliding limit switch: ON) by operating the power walk-in
switch when the seatback is folded down.
The forward operation is stopped by folding the seatback (forward switch: OFF) during the forward operation.

Backward Operation

The seat back is folded up after performing the forward operation of power walk-in function. Slide (backward)
it to the position before performing the forward operation by operating the power walk-in switch.
If the sliding operation is performed after performing the forward operation, do not perform the backward oper-
ation.

Item

Function

Driver seat control unit

Operates the sliding motor with the signal from the sliding switch.

Power seat switch

Built-in reclining switch, sliding switch and lifting switch, controls the power supplied to each motor.

Forward switch

Detect the folded up/folded down condition of seat back.

Reclining motor

With the power supplied to power seat switch, operates the forward and backward movement of 
seatback.

Sliding motor

With the power supplied to power seat switch, operates the forward and backward slide of seat.

Lifting motor (front/rear)

With the power supplied to power seat switch, operates the up and down movement of seat cush-
ion.

JMJIA0920GB

POWER SEAT FOR DRIVER SIDE

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OPERATION PROCEDURE 

Forward Operation

1.

Open driver door.

2.

Pull the walk-in lever on the upper part of seatback, and then the seatback is folded down.

3.

Press the power walk-in switch.

4.

Slide the seat to the front end position.

Backward Operation

1.

Open driver door.

2.

Fold up the seatback after performing the forward operation.

3.

Press the power walk-in switch.

4.

Slide the seat to the previous position before the forward operation was performed.

OPERATION CONDITION

Perform the power walk-in function when the following conditions are satisfied.

Forward Operation

Backward Operation

DETAIL FLOW

Forward Operation

Item

Request status

Driver side door

Open

Driver side seat belt

Not fastened

Power seat switch (sliding)

Not operated

Vehicle speed

0 km/h

Seat position (sliding)

Other than front edge

Seat back

Folded down

Item

Request status

Initialize

Done

Driver side seat belt

Not fastened

Switch inputs
• Power seat switch (sliding)
• Set switch
• Memory switch

Not operated

Vehicle speed

0 km/h

Seat position (sliding)

The seat sliding position will not move after per-

forming the forward operation.

Seat back

Folded up

Order

Inputs

Outputs

Control unit condition

1

Forward switch

—

Driver seat control unit detects that the seatback is 
folded down by the signal from the forward switch.

2

Power walk-in switch

—

The operation signal is inputted to the driver seat 
control unit when the power walk-in switch is oper-
ated.