Infiniti G37 Coupe. Manual - part 1087

SE-16

< FUNCTION DIAGNOSIS >

POWER SEAT FOR PASSENGER SIDE

POWER SEAT FUNCTION : Component Parts Location

INFOID:0000000001729822

JMJIA0914ZZ

1.

BCM M118, M119

2.

Power walk-in switch B557

3.

Sliding, lifting switch
(Power seat switch B554)

4.

Reclining switch
(Power seat switch B554)

5.

Sliding switch (seat back) B561

6.

Seat belt buckle switch (passenger 
side) B213

7.

Forward switch B556

8.

Reclining relay (forward) B562

9.

Sliding relay (backward) B560

10. Reclining motor B566

11.

Sliding relay (forward) B559

12. Reclining relay (backward) B563

13. Door switch (passenger side) B216

14. Sliding limit switch B558

15.

Passenger seat control unit B552, 
B553

16. Sliding sensor B568

17. Lifting motor (front) B569

18. Sliding motor B567

19. Lifting motor (rear) B570

A.

Dash side lower (passenger side)

B.

View with seat back pad is removed. C.

View with seat back pad is removed.

D.

Back side of seat cushion.

POWER SEAT FOR PASSENGER SIDE

SE-17

< FUNCTION DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

POWER SEAT FUNCTION : Component Description

INFOID:0000000001705183

POWER WALK-IN FUNCTION

POWER WALK-IN FUNCTION : System Diagram

INFOID:0000000001728889

POWER WALK-IN FUNCTION : System Description

INFOID:0000000001837454

OUTLINE

Slide the passenger 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 passenger 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 [maximum amount is 178 mm (7.0 in) from front edge] before performing the forward opera-
tion by operating the power walk-in switch. 
If the manual operation is performed after performing the forward operation, do not perform the backward
operation.

OPERATION PROCEDURE 

Forward Operation

1.

Open passenger door.

2.

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

Item

Function

BCM

Supplies at all times the power received from battery to power seat switch and passenger seat con-
trol unit.

Passenger 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.

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.

JMJIA0922GB

SE-18

< FUNCTION DIAGNOSIS >

POWER SEAT FOR PASSENGER SIDE

3.

Press the power walk-in switch.

4.

Slide the seat to the front end position.

Backward Operation

1.

Open passenger 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

Backward Operation

Item

Request status

Passenger side door

Open

Passenger side seat belt

Not fastened

Power seat switch (sliding)

Not operated

Seat position (sliding)

Other than front end

Seat back

Folded down

Item

Request status

Initialize

Done

Passenger side seat belt

Not fastened

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

Not operated

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

—

Passenger seat control unit detects that the seat-
back is folded down by the signal from the forward 
switch.

2

Power walk-in switch

—

The operation signal is inputted to the passenger 
seat control unit when the power walk-in switch is 
operated.

3

—

Sliding motor
(forward)

Passenger seat control unit operates the seat slid-
ing motor forward when it detects that the power 
walk-in switch is operated.

4

Sliding limit switch

—

Passenger seat control unit stops the seat sliding 
motor when it detects that the seat sliding reaches 
the front end position by the sliding limit switch.

POWER SEAT FOR PASSENGER SIDE

SE-19

< FUNCTION DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

POWER WALK-IN FUNCTION : Component Parts Location

INFOID:0000000001729826

Order

Inputs

Outputs

Control unit condition

1

Forward switch

—

Passenger seat control unit detects that the seat-
back is folded up by the signal from the forward 
switch.

2

Power walk-in switch

—

The operation signal is inputted to the passenger 
seat control unit when the power walk-in switch is 
operated.

3

—

Sliding motor
(backward)

Passenger seat control unit operates the sliding 
motor backward when it detects that the power 
walk-in switch is operated.

4

Sliding sensor

—

Passenger seat control unit stops the seat sliding 
motor when the seat sliding position reaches the 
position before performing the forward operation 
by the signal from sliding sensor.

JMJIA0914ZZ